Re: regression in page writeback

Re: regression in page writeback

[Wu Fengguang]

On Sat, Sep 26, 2009 at 09:47:15AM +0800, Dave Chinner wrote:
> On Fri, Sep 25, 2009 at 11:19:20AM +0800, Wu Fengguang wrote:
> > On Fri, Sep 25, 2009 at 08:11:17AM +0800, Dave Chinner wrote:
> > > On Thu, Sep 24, 2009 at 11:15:08AM +0800, Wu Fengguang wrote:
> > > > On Wed, Sep 23, 2009 at 10:00:58PM +0800, Chris Mason wrote:
> > > > > The only place that actually honors the congestion flag is pdflush.
> > > > > It's trivial to get pdflush backed up and make it sit down without
> > > > > making any progress because once the queue congests, pdflush goes away.
> > > > 
> > > > Right. I guess that's more or less intentional - to give lowest priority
> > > > to periodic/background writeback.
> > > 
> > > IMO, this is the wrong design. Background writeback should
> > > have higher CPU/scheduler priority than normal tasks. If there is
> > > sufficient dirty pages in the system for background writeback to
> > > be active, it should be running *now* to start as much IO as it can
> > > without being held up by other, lower priority tasks.
> > > 
> > > Cleaning pages is important to keeping the system running smoothly.
> > > Given that IO takes time to clean pages, it is therefore important
> > > to issue as much as possible as quickly as possible without delays
> > > before going back to sleep. Delaying issue of the IO or doing
> > > sub-optimal issue simply reduces performance of the system because
> > > it takes longer to clean the same number of dirty pages.
> > > 
> > > > > Nothing stops other procs from keeping the queue congested forever.
> > > > > This can only be fixed by making everyone wait for congestion, at which
> > > > > point we might as well wait for requests.
> > > > 
> > > > Yes. That gives everyone somehow equal opportunity, this is a policy change
> > > > that may lead to interesting effects, as well as present a challenge to
> > > > get_request_wait(). That said, I'm not against the change to a wait queue
> > > > in general.
> > > 
> > > If you block all threads doing _writebehind caching_ (synchronous IO
> > > is self-throttling) to the same BDI on the same queue as the bdi
> > > flusher then when congestion clears the higher priority background
> > > flusher thread should run first and issue more IO.  This should
> > > happen as a natural side-effect of our scheduling algorithms and it
> > > gives preference to efficient background writeback over in-efficient
> > > foreground writeback. Indeed, with this approach we can even avoid
> > > foreground writeback altogether...
> > 
> > I don't see how balance_dirty_pages() writeout is less efficient than
> > pdflush writeout.
> > 
> > They all called the same routines to do the job.
> > balance_dirty_pages() sets nr_to_write=1536 at least for ext4 and xfs
> > (unless memory is tight; btrfs is 1540), which is in fact 50% bigger
> > than the 1024 pages used by pdflush.
> 
> Sure, but the prёblem now is that you are above the
> bdi->dirty_exceeded threshold, foreground writeback tries to issue
> 1536 pages of IO every 8 pages that are dirtied. That means you'll

I'd suggest to increase that "8 pages". It may be good when
ratelimit_pages is statically set to 32. Now that ratelimit_pages is
dynamically set to a much larger value at boot time, we'd better use
ratelimit_pages/4 for dirty_exceeded case.

> block just about every writing process in writeback at the same time
> and they will all be blocked in congestion trying to write different
> inodes....

Ah got it, balance_dirty_pages could lead to too much concurrency and
thus seeks!

> > And it won't back off on congestion.
> 
> And that is, IMO, a major problem.

Not necessarily, the above concurrency problem occurs even if it backs
off on congestion. But anyway we are switching to get_request_wait now.

> > The s_io/b_io queues are shared, so a balance_dirty_pages() will just
> > continue from where the last sync thread exited. So it does not make
> > much difference who initiates the IO. Did I missed something?
> 
> The current implementation uses the request queue to do that
> blocking at IO submission time. This is based on the premise that if
> we write a certain number of pages, we're guaranteed to have waited
> long enough for that many pages to come clean.

Right.

> However, every other
> thread doing writes and being throttled does the same thing.  This
> leads to N IO submitters from at least N different inodes at the
> same time. Which inode gets written when congestion clears is
> anyone's guess - it's a thundering herd IIUC the congestion
> implementation correctly.

Good insight, thanks for pointing this out!

> The result is that we end up with N different sets of IO being
> issued with potentially zero locality to each other, resulting in
> much lower elevator sort/merge efficiency and hence we seek the disk
> all over the place to service the different sets of IO.

Right. But note that its negative effects are not that common given
the current parameters MAX_WRITEBACK_PAGES=1024, max_sectors_kb=512
and nr_requests=128. As we are going on to the next inode anyway
when 4MB of it have been enqueued. So a request queue could hold up to
128/(4096/512) = 16 inodes.

So the problem will turn up when there are >= 16 throttled processes.

When we increase MAX_WRITEBACK_PAGES to 128MB, even _one_ foreground
writeout will hurt.

> OTOH, if there is only one submission thread, it doesn't jump
> between inodes in the same way when congestion clears - if keeps
> writing to the same inode, resulting in large related chunks of
> sequential IOs being issued to the disk. This is more efficient than
> the above foreground writeback because the elevator works better and
> the disk seeks less.
> 
> As you can probably guess, I think foreground writeout is the wrong
> architecture because of the behaviour it induces under heavy
> multithreaded IO patterns. I agree that it works OK if continue
> tweaking it to fix problems.

Agreed. 

> However, my concern is that if it isn't constantly observed, tweaked
> and maintained, performance goes backwards as other code changes.
> i.e. there is a significant maintenance burden and looking at the
> problems once very couple of years (last big maintenance rounds were
> 2.6.15/16, 2.6.23/24, now 2.6.31/32) isn't good enough to prevent
> performance form sliding backwards from release to release.

One problem is that the queues are very tightly coupled. Every change
of behavior leads to reevaluation of other factors.

> ----
> 
> The rest of this is an idea I've been kicking around for a while
> which is derived from IO throttling work I've done during a
> past life.  I haven't had time to research and prototype it to see
> if it performs any better under really heavy load, but I'm going to
> throw it out anyway so that everyone can see a little bit more about
> what I'm thinking.
> 
> My fundamental premise is that throttling does not require IO to be
> issued from the thread to be throttled. The essence of write
> throttling is waiting for more pages to be cleaned in a period of
> time than has been dirtied. i.e.  What we are really waiting on is
> pages to be cleaned.

Yes, Peter's __bdi_writeout_inc() is a good watch point.

> Based on this observation, if we have a flusher thread working in
> the background, we don't need to submit more IO when we need to
> throttle as all we need to do is wait for a certain number of pages
> to transition to the clean state.

It's great You and Mason (and others) are advocating the same idea :)
Jan and me proposed some possible solutions recently:

        http://lkml.org/lkml/2009/9/14/126

> If we take a leaf from XFS's book by doing work at IO completion
> rather than submission we can keep a count of the number of pages
> cleaned on the bdi. This can be used to implement a FIFO-like
> throttle. If we add a simple ticket system to the bdi, when a
> process needs to be throttled it can submit a ticket with the number
> of pages it has dirtied to the bdi, and the bdi can then decide what
> the page cleaned count needs to reach before the process can be
> woken.

Exactly.

> i.e. Take the following ascii art showing the bdi fllusher
> thread running and issuing IO in the background:
> 
> bdi write thread:   +---X------Y---+-A-----ZB----+------C--------+
> 1st proc:		o............o
> 2nd proc:		       o............o
> 3rd proc:		                   o............o
> 
> When the 1st process comes in to be throttled, it samples the page
> clean count and gets X. It submits a ticket to be woken at A (X +
> some number of pages). If the flusher thread is not running, it gets
> kicked.  Process 2 and 3 do the same at Y and Z to be woken at B and
> C. At IO completion, the number of pages cleaned is counted and the
> tickets that are now under the clean count are pulled from the queue
> and the processes that own them are woken.
> 
> This avoids the thundering herd problem and applies throttling in
> a deterministic, predictable fashion. And by relying on background
> writeback, we only have one writeback path to optimise, not two
> different paths that interchange unpredictably.
> 
> In essence, this mechanism replaces the complex path of IO
> submission and congestion with a simple, deterministic counter and
> queue system that probably doesn't even require any memory
> allocation to implement. I think the simpler a thorttle mechanism
> is the more likely it is to work effectively....
> 
> I know that words without code aren't going to convince anyone, but I
> hope I've given you some food for thought about alternatives to what
> we currently do. ;)

Not at all, it's clear enough - your idea is very similar to Jan's
proposal. And I'd like to present an ascii art for another scheme:


                                          \                /
                  one bdi sync thread      \............../
               =========================>   \............/
                 working on dirty pages      \........../
                                              \......../
                                               \....../
                                                \..../
                                                 \../

  throttled    |  |    |  |    |  |     |  |     |  |     wakeup when enough
============>  |  |    |  |    |  |     |  |     |::| ==> pages are put to io
  task list    +--+    +--+    +--+     +--+     +--+     on behalf of this task
              task 5  task 4  task 3   task 2   task 1

               [.] dirty page  [:] writeback page

One benefit of this scheme is, when necessary, the task list could
be converted to some tree to do priorities and thus IO controller for
buffered writes :)

Thanks,
Fengguang
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Re: regression in page writeback

[Wu Fengguang]

On Tue, Sep 22, 2009 at 04:32:14PM +0800, Peter Zijlstra wrote:
> On Tue, 2009-09-22 at 16:24 +0800, Wu Fengguang wrote:
> > On Tue, Sep 22, 2009 at 04:09:25PM +0800, Peter Zijlstra wrote:
> > > On Tue, 2009-09-22 at 16:05 +0800, Wu Fengguang wrote:
> > > > 
> > > > I'm not sure how this patch stopped the "overshooting" behavior.
> > > > Maybe it managed to not start the background pdflush, or the started
> > > > pdflush thread exited because it found writeback is in progress by
> > > > someone else?
> > > > 
> > > > -               if (bdi_nr_reclaimable) {
> > > > +               if (bdi_nr_reclaimable > bdi_thresh) {
> > > 
> > > The idea is that we shouldn't move more pages from dirty -> writeback
> > > when there's not actually that much dirty left.
> > 
> > IMHO this makes little sense given that pdflush will move all dirty
> > pages anyway. pdflush should already be started to do background
> > writeback before the process is throttled, and it is designed to sync
> > all current dirty pages as quick as possible and as much as possible.
> 
> Not so, pdflush (or now the bdi writer thread thingies) should not
> deplete all dirty pages but should stop writing once they are below the
> background limit.

(add CC to fs people for more thoughts :)

> > > Now, I'm not sure about the > bdi_thresh part, I've suggested to maybe
> > > use bdi_thresh/2 a few times, but it generally didn't seem to make much
> > > of a difference.
> > 
> > One possible difference is, the process may end up waiting longer time
> > in order to sync write_chunk pages and quit the throttle. This could
> > hurt the responsiveness of the throttled process.
> 
> Well, that's all because this congestion_wait stuff is borken..

Yes congestion_wait is bad.. I do like the idea of lowering
bdi_thresh to help reduce the uncertainty of throttle time :)

Thanks,
Fengguang

Re: regression in page writeback

[Wu Fengguang]

[-- Attachment #1: Type: text/plain, Size: 1305 bytes --]

Shaohua,

On Tue, Sep 22, 2009 at 01:49:13PM +0800, Li, Shaohua wrote:
> Hi,
> Commit d7831a0bdf06b9f722b947bb0c205ff7d77cebd8 causes disk io regression
> in my test.
> My system has 12 disks, each disk has two partitions. System runs fio sequence
> write on all partitions, each partion has 8 jobs.
> 2.6.31-rc1, fio gives 460m/s disk io
> 2.6.31-rc2, fio gives about 400m/s disk io. Revert the patch, speed back to
> 460m/s
> 
> Under latest git: fio gives 450m/s disk io; If reverting the patch, the speed
> is 484m/s.
> 
> With the patch, fio reports less io merge and more interrupts. My naive
> analysis is the patch makes balance_dirty_pages_ratelimited_nr() limits
> write chunk to 8 pages and then soon go to sleep in balance_dirty_pages(),
> because most time the bdi_nr_reclaimable < bdi_thresh, and so when write
> the pages out, the chunk is 8 pages long instead of 4M long. Without the patch,
> thread can write 8 pages and then move some pages to writeback, and then
> continue doing write. The patch seems to break this.

Do you have trace/numbers for above descriptions?

> Unfortunatelly I can't figure out a fix for this issue, hopefully
> you have more ideas.

Attached is a very verbose writeback debug patch, hope it helps and
won't disturb the workload a lot :)

Thanks,
Fengguang


[-- Attachment #2: writeback-debug-2.6.31.patch --]
[-- Type: text/x-diff, Size: 5468 bytes --]

--- linux-2.6.orig/fs/fs-writeback.c	2009-08-23 14:44:22.000000000 +0800
+++ linux-2.6/fs/fs-writeback.c	2009-09-22 18:45:06.000000000 +0800
@@ -26,6 +26,9 @@
 #include "internal.h"
 
 
+int sysctl_dirty_debug __read_mostly;
+
+
 /**
  * writeback_acquire - attempt to get exclusive writeback access to a device
  * @bdi: the device's backing_dev_info structure
@@ -186,6 +189,11 @@ static int write_inode(struct inode *ino
 	return 0;
 }
 
+#define redirty_tail(inode)						\
+	do {								\
+		__redirty_tail(inode, __LINE__);			\
+	} while (0)
+
 /*
  * Redirty an inode: set its when-it-was dirtied timestamp and move it to the
  * furthest end of its superblock's dirty-inode list.
@@ -195,10 +203,15 @@ static int write_inode(struct inode *ino
  * the case then the inode must have been redirtied while it was being written
  * out and we don't reset its dirtied_when.
  */
-static void redirty_tail(struct inode *inode)
+static void __redirty_tail(struct inode *inode, int line)
 {
 	struct super_block *sb = inode->i_sb;
 
+	if (sysctl_dirty_debug) {
+		printk(KERN_DEBUG "redirty_tail +%d: inode %lu\n",
+				line, inode->i_ino);
+	}
+
 	if (!list_empty(&sb->s_dirty)) {
 		struct inode *tail_inode;
 
@@ -210,12 +223,22 @@ static void redirty_tail(struct inode *i
 	list_move(&inode->i_list, &sb->s_dirty);
 }
 
+#define requeue_io(inode)						\
+	do {								\
+		__requeue_io(inode, __LINE__);				\
+	} while (0)
+
 /*
  * requeue inode for re-scanning after sb->s_io list is exhausted.
  */
-static void requeue_io(struct inode *inode)
+static void __requeue_io(struct inode *inode, int line)
 {
 	list_move(&inode->i_list, &inode->i_sb->s_more_io);
+
+	if (sysctl_dirty_debug) {
+		printk(KERN_DEBUG "requeue_io +%d: inode %lu\n",
+				line, inode->i_ino);
+	}
 }
 
 static void inode_sync_complete(struct inode *inode)
--- linux-2.6.orig/include/linux/writeback.h	2009-08-23 14:44:23.000000000 +0800
+++ linux-2.6/include/linux/writeback.h	2009-09-22 18:29:05.000000000 +0800
@@ -168,5 +168,6 @@ void writeback_set_ratelimit(void);
 extern int nr_pdflush_threads;	/* Global so it can be exported to sysctl
 				   read-only. */
 
+extern int sysctl_dirty_debug;
 
 #endif		/* WRITEBACK_H */
--- linux-2.6.orig/kernel/sysctl.c	2009-08-23 14:44:23.000000000 +0800
+++ linux-2.6/kernel/sysctl.c	2009-09-22 18:29:05.000000000 +0800
@@ -1516,6 +1516,14 @@ static struct ctl_table fs_table[] = {
 		.extra1		= &zero,
 		.extra2		= &two,
 	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "dirty_debug",
+		.data		= &sysctl_dirty_debug,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec,
+	},
 #if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE)
 	{
 		.ctl_name	= CTL_UNNUMBERED,
--- linux-2.6.orig/mm/page-writeback.c	2009-08-23 14:44:23.000000000 +0800
+++ linux-2.6/mm/page-writeback.c	2009-09-22 18:45:50.000000000 +0800
@@ -116,6 +116,35 @@ EXPORT_SYMBOL(laptop_mode);
 
 /* End of sysctl-exported parameters */
 
+#define writeback_debug_report(n, wbc) do {                             \
+	if(sysctl_dirty_debug)						\
+		__writeback_debug_report(n, wbc,			\
+				__FILE__, __LINE__, __FUNCTION__);	\
+} while (0)
+
+void print_writeback_control(struct writeback_control *wbc)
+{
+	printk(KERN_DEBUG
+			"global dirty=%lu writeback=%lu nfs=%lu "
+			"flags=%c%c towrite=%ld skipped=%ld\n",
+			global_page_state(NR_FILE_DIRTY),
+			global_page_state(NR_WRITEBACK),
+			global_page_state(NR_UNSTABLE_NFS),
+			wbc->encountered_congestion ? 'C':'_',
+			wbc->more_io ? 'M':'_',
+			wbc->nr_to_write,
+			wbc->pages_skipped);
+}
+
+void __writeback_debug_report(long n, struct writeback_control *wbc,
+		const char *file, int line, const char *func)
+{
+	printk(KERN_DEBUG "%s %d %s: comm=%s pid=%d n=%ld\n",
+			file, line, func,
+			current->comm, current->pid,
+			n);
+	print_writeback_control(wbc);
+}
 
 static void background_writeout(unsigned long _min_pages);
 
@@ -550,7 +579,12 @@ static void balance_dirty_pages(struct a
 			pages_written += write_chunk - wbc.nr_to_write;
 			get_dirty_limits(&background_thresh, &dirty_thresh,
 				       &bdi_thresh, bdi);
+			writeback_debug_report(pages_written, &wbc);
 		}
+		printk("bdi_nr_reclaimable=%lu, bdi_thresh=%lu, "
+		       "background_thresh=%lu, dirty_thresh=%lu\n",
+		       bdi_nr_reclaimable, bdi_thresh,
+		       background_thresh, dirty_thresh);
 
 		/*
 		 * In order to avoid the stacked BDI deadlock we need
@@ -670,6 +704,11 @@ void throttle_vm_writeout(gfp_t gfp_mask
 			global_page_state(NR_WRITEBACK) <= dirty_thresh)
                         	break;
                 congestion_wait(BLK_RW_ASYNC, HZ/10);
+		printk(KERN_DEBUG "throttle_vm_writeout: "
+				"congestion_wait on %lu+%lu > %lu\n",
+				global_page_state(NR_UNSTABLE_NFS),
+				global_page_state(NR_WRITEBACK),
+				dirty_thresh);
 
 		/*
 		 * The caller might hold locks which can prevent IO completion
@@ -719,7 +758,9 @@ static void background_writeout(unsigned
 			else
 				break;
 		}
+		writeback_debug_report(min_pages, &wbc);
 	}
+	writeback_debug_report(min_pages, &wbc);
 }
 
 /*
@@ -792,7 +833,9 @@ static void wb_kupdate(unsigned long arg
 				break;	/* All the old data is written */
 		}
 		nr_to_write -= MAX_WRITEBACK_PAGES - wbc.nr_to_write;
+		writeback_debug_report(nr_to_write, &wbc);
 	}
+	writeback_debug_report(nr_to_write, &wbc);
 	if (time_before(next_jif, jiffies + HZ))
 		next_jif = jiffies + HZ;
 	if (dirty_writeback_interval)

Re: regression in page writeback

[Shaohua Li]

On Tue, Sep 22, 2009 at 06:49:15PM +0800, Wu, Fengguang wrote:
> Shaohua,
> 
> On Tue, Sep 22, 2009 at 01:49:13PM +0800, Li, Shaohua wrote:
> > Hi,
> > Commit d7831a0bdf06b9f722b947bb0c205ff7d77cebd8 causes disk io regression
> > in my test.
> > My system has 12 disks, each disk has two partitions. System runs fio sequence
> > write on all partitions, each partion has 8 jobs.
> > 2.6.31-rc1, fio gives 460m/s disk io
> > 2.6.31-rc2, fio gives about 400m/s disk io. Revert the patch, speed back to
> > 460m/s
> > 
> > Under latest git: fio gives 450m/s disk io; If reverting the patch, the speed
> > is 484m/s.
> > 
> > With the patch, fio reports less io merge and more interrupts. My naive
> > analysis is the patch makes balance_dirty_pages_ratelimited_nr() limits
> > write chunk to 8 pages and then soon go to sleep in balance_dirty_pages(),
> > because most time the bdi_nr_reclaimable < bdi_thresh, and so when write
> > the pages out, the chunk is 8 pages long instead of 4M long. Without the patch,
> > thread can write 8 pages and then move some pages to writeback, and then
> > continue doing write. The patch seems to break this.
> 
> Do you have trace/numbers for above descriptions?
No. Just guess, because there is less io merge. And watch each bdi's states,
bdi_nr_reclaimable < bdi_thresh seems always true.
 
> > Unfortunatelly I can't figure out a fix for this issue, hopefully
> > you have more ideas.
> 
> Attached is a very verbose writeback debug patch, hope it helps and
> won't disturb the workload a lot :)
Hmm, the log buf will get overflowed soon, there is > 400m/s io. I tried
to produce this issue in a system with two disks, but fail. Anyway, I'll try
it out tomorrow.

Re: regression in page writeback

[Wu Fengguang]

On Tue, Sep 22, 2009 at 07:50:15PM +0800, Li, Shaohua wrote:
> On Tue, Sep 22, 2009 at 06:49:15PM +0800, Wu, Fengguang wrote:
> > Shaohua,
> > 
> > On Tue, Sep 22, 2009 at 01:49:13PM +0800, Li, Shaohua wrote:
> > > Hi,
> > > Commit d7831a0bdf06b9f722b947bb0c205ff7d77cebd8 causes disk io regression
> > > in my test.
> > > My system has 12 disks, each disk has two partitions. System runs fio sequence
> > > write on all partitions, each partion has 8 jobs.
> > > 2.6.31-rc1, fio gives 460m/s disk io
> > > 2.6.31-rc2, fio gives about 400m/s disk io. Revert the patch, speed back to
> > > 460m/s
> > > 
> > > Under latest git: fio gives 450m/s disk io; If reverting the patch, the speed
> > > is 484m/s.
> > > 
> > > With the patch, fio reports less io merge and more interrupts. My naive
> > > analysis is the patch makes balance_dirty_pages_ratelimited_nr() limits
> > > write chunk to 8 pages and then soon go to sleep in balance_dirty_pages(),
> > > because most time the bdi_nr_reclaimable < bdi_thresh, and so when write
> > > the pages out, the chunk is 8 pages long instead of 4M long. Without the patch,
> > > thread can write 8 pages and then move some pages to writeback, and then
> > > continue doing write. The patch seems to break this.
> > 
> > Do you have trace/numbers for above descriptions?
> No. Just guess, because there is less io merge. And watch each bdi's states,
> bdi_nr_reclaimable < bdi_thresh seems always true.

Ah OK.

> > > Unfortunatelly I can't figure out a fix for this issue, hopefully
> > > you have more ideas.
> > 
> > Attached is a very verbose writeback debug patch, hope it helps and
> > won't disturb the workload a lot :)
> Hmm, the log buf will get overflowed soon, there is > 400m/s io. I tried
> to produce this issue in a system with two disks, but fail. Anyway, I'll try
> it out tomorrow.

Thank you~  I'd recommend to use netconsole or serial line, and stop
local klogd because the write of log messages could add noises. 

Thanks,
Fengguang

Re: regression in page writeback

[Shaohua Li]

[-- Attachment #1: Type: text/plain, Size: 2400 bytes --]

On Tue, 2009-09-22 at 21:39 +0800, Wu, Fengguang wrote:
> On Tue, Sep 22, 2009 at 07:50:15PM +0800, Li, Shaohua wrote:
> > On Tue, Sep 22, 2009 at 06:49:15PM +0800, Wu, Fengguang wrote:
> > > Shaohua,
> > > 
> > > On Tue, Sep 22, 2009 at 01:49:13PM +0800, Li, Shaohua wrote:
> > > > Hi,
> > > > Commit d7831a0bdf06b9f722b947bb0c205ff7d77cebd8 causes disk io regression
> > > > in my test.
> > > > My system has 12 disks, each disk has two partitions. System runs fio sequence
> > > > write on all partitions, each partion has 8 jobs.
> > > > 2.6.31-rc1, fio gives 460m/s disk io
> > > > 2.6.31-rc2, fio gives about 400m/s disk io. Revert the patch, speed back to
> > > > 460m/s
> > > > 
> > > > Under latest git: fio gives 450m/s disk io; If reverting the patch, the speed
> > > > is 484m/s.
> > > > 
> > > > With the patch, fio reports less io merge and more interrupts. My naive
> > > > analysis is the patch makes balance_dirty_pages_ratelimited_nr() limits
> > > > write chunk to 8 pages and then soon go to sleep in balance_dirty_pages(),
> > > > because most time the bdi_nr_reclaimable < bdi_thresh, and so when write
> > > > the pages out, the chunk is 8 pages long instead of 4M long. Without the patch,
> > > > thread can write 8 pages and then move some pages to writeback, and then
> > > > continue doing write. The patch seems to break this.
> > > 
> > > Do you have trace/numbers for above descriptions?
> > No. Just guess, because there is less io merge. And watch each bdi's states,
> > bdi_nr_reclaimable < bdi_thresh seems always true.
> 
> Ah OK.
> 
> > > > Unfortunatelly I can't figure out a fix for this issue, hopefully
> > > > you have more ideas.
> > > 
> > > Attached is a very verbose writeback debug patch, hope it helps and
> > > won't disturb the workload a lot :)
> > Hmm, the log buf will get overflowed soon, there is > 400m/s io. I tried
> > to produce this issue in a system with two disks, but fail. Anyway, I'll try
> > it out tomorrow.
> 
> Thank you~  I'd recommend to use netconsole or serial line, and stop
> local klogd because the write of log messages could add noises. 
attached is a short log. I'll try to get a full log after finish latest
git test.
bdi_nr_reclaimable is always less than bdi_thresh in the log. because
when bdi_nr_reclaimable + bdi_nr_writeback > bdi_thresh, background
writeback is already started, so bdi_nr_writeback should be > 0.

[-- Attachment #2: msg2 --]
[-- Type: text/plain, Size: 97611 bytes --]

0, bdi_thresh=23810, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=24160, bdi_thresh=27860, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696602
bdi_nr_reclaimable=21040, bdi_thresh=24479, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21480, bdi_thresh=24906, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=24160, bdi_thresh=27862, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=20480, bdi_thresh=23809, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21480, bdi_thresh=24903, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145141, dirty_thresh=290283
global dirty=246756 writeback=43800 nfs=0 flags=C_ towrite=1018 skipped=0
bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=24160, bdi_thresh=27850, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21320, bdi_thresh=24944, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21320, bdi_thresh=24940, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145141, dirty_thresh=290283
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bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145141, dirty_thresh=290283
redirty_tail +435: inode 174623
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bdi_nr_reclaimable=24160, bdi_thresh=27855, background_thresh=145141, dirty_thresh=290283
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bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21320, bdi_thresh=24943, background_thresh=145141, dirty_thresh=290283
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bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=20480, bdi_thresh=23793, background_thresh=145141, dirty_thresh=290283
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bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=24160, bdi_thresh=27862, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145141, dirty_thresh=290283
bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145141, dirty_thresh=290283
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bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
redirty_tail +435: inode 4784181
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redirty_tail +435: inode 3474323
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bdi_nr_reclaimable=24160, bdi_thresh=27863, background_thresh=145141, dirty_thresh=290283
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requeue_io +527: inode 0
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bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
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requeue_io +527: inode 0
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redirty_tail +502: inode 12415
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bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145150, dirty_thresh=290301
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bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18250, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24496, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145168, dirty_thresh=290337
mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621688
bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
redirty_tail +435: inode 174623
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bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
redirty_tail +435: inode 4784181
redirty_tail +435: inode 3474323
requeue_io +527: inode 0
requeue_io +527: inode 0
redirty_tail +502: inode 12396
mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621689
bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16827, background_thresh=145168, dirty_thresh=290337
global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
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bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23795, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24494, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24906, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24922, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16827, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24498, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24902, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24497, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24921, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23813, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18249, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696603
bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24906, background_thresh=145168, dirty_thresh=290337
global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18250, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145168, dirty_thresh=290337
requeue_io +527: inode 0
bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
requeue_io +527: inode 0
bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
redirty_tail +502: inode 12533
bdi_nr_reclaimable=21040, bdi_thresh=24496, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145168, dirty_thresh=290337
redirty_tail +435: inode 174623
bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
redirty_tail +435: inode 4784181
redirty_tail +435: inode 3474323
requeue_io +527: inode 0
requeue_io +527: inode 0
redirty_tail +502: inode 13474
mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621691
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696603
bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1024 skipped=0
bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1022 skipped=0
bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24929, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23810, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23794, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24932, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23794, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24927, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23790, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23799, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24927, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24866, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=20480, bdi_thresh=23806, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24939, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24935, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=21640, bdi_thresh=24936, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21640, bdi_thresh=24938, background_thresh=145168, dirty_thresh=290337
bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
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bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
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requeue_io +527: inode 0
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requeue_io +527: inode 0
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redirty_tail +502: inode 13925
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redirty_tail +435: inode 174623
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redirty_tail +435: inode 4784181
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redirty_tail +442: inode 3474323
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requeue_io +527: inode 0
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redirty_tail +502: inode 14004
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mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696607
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global dirty=247029 writeback=43527 nfs=0 flags=CM towrite=1020 skipped=0
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bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145168, dirty_thresh=290337
mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621691
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global dirty=247029 writeback=43527 nfs=0 flags=C_ towrite=1024 skipped=0
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redirty_tail +435: inode 174623
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redirty_tail +435: inode 4784181
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redirty_tail +442: inode 3474323
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requeue_io +527: inode 0
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redirty_tail +502: inode 14023
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redirty_tail +435: inode 21
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redirty_tail +435: inode 174623
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redirty_tail +435: inode 4784181
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redirty_tail +435: inode 3474323
requeue_io +527: inode 0
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redirty_tail +502: inode 14042
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mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696985
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bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145177, dirty_thresh=290355
mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621693
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bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21640, bdi_thresh=24862, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15240, bdi_thresh=16817, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145177, dirty_thresh=290355
global dirty=246665 writeback=43800 nfs=0 flags=C_ towrite=1022 skipped=0
bdi_nr_reclaimable=21000, bdi_thresh=24784, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21640, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21640, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21640, bdi_thresh=24864, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15880, bdi_thresh=18238, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21440, bdi_thresh=24864, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21360, bdi_thresh=24862, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21360, bdi_thresh=24903, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21320, bdi_thresh=24865, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145177, dirty_thresh=290355
global dirty=246301 writeback=44164 nfs=0 flags=C_ towrite=646 skipped=0
bdi_nr_reclaimable=15240, bdi_thresh=16818, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=19720, bdi_thresh=23385, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21000, bdi_thresh=24786, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21280, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
redirty_tail +435: inode 174623
bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
bdi_nr_reclaimable=21000, bdi_thresh=24783, background_thresh=145177, dirty_thresh=290355
redirty_tail +435: inode 4784181
redirty_tail +435: inode 3474323
requeue_io +527: inode 0
redirty_tail +502: inode 14061
bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145177, dirty_thresh=290355
redirty_tail +442: inode 27
redirty_tail +435: inode 174623
redirty_tail +435: inode 4784181
redirty_tail +435: inode 3474323
requeue_io +527: inode 0
redirty_tail +502: inode 14096

Re: regression in page writeback

[Wu Fengguang]

On Wed, Sep 23, 2009 at 09:52:55AM +0800, Li, Shaohua wrote:
> On Tue, 2009-09-22 at 21:39 +0800, Wu, Fengguang wrote:
> > On Tue, Sep 22, 2009 at 07:50:15PM +0800, Li, Shaohua wrote:
> > > On Tue, Sep 22, 2009 at 06:49:15PM +0800, Wu, Fengguang wrote:
> > > > Shaohua,
> > > > 
> > > > On Tue, Sep 22, 2009 at 01:49:13PM +0800, Li, Shaohua wrote:
> > > > > Hi,
> > > > > Commit d7831a0bdf06b9f722b947bb0c205ff7d77cebd8 causes disk io regression
> > > > > in my test.
> > > > > My system has 12 disks, each disk has two partitions. System runs fio sequence
> > > > > write on all partitions, each partion has 8 jobs.
> > > > > 2.6.31-rc1, fio gives 460m/s disk io
> > > > > 2.6.31-rc2, fio gives about 400m/s disk io. Revert the patch, speed back to
> > > > > 460m/s
> > > > > 
> > > > > Under latest git: fio gives 450m/s disk io; If reverting the patch, the speed
> > > > > is 484m/s.
> > > > > 
> > > > > With the patch, fio reports less io merge and more interrupts. My naive
> > > > > analysis is the patch makes balance_dirty_pages_ratelimited_nr() limits
> > > > > write chunk to 8 pages and then soon go to sleep in balance_dirty_pages(),
> > > > > because most time the bdi_nr_reclaimable < bdi_thresh, and so when write
> > > > > the pages out, the chunk is 8 pages long instead of 4M long. Without the patch,
> > > > > thread can write 8 pages and then move some pages to writeback, and then
> > > > > continue doing write. The patch seems to break this.
> > > > 
> > > > Do you have trace/numbers for above descriptions?
> > > No. Just guess, because there is less io merge. And watch each bdi's states,
> > > bdi_nr_reclaimable < bdi_thresh seems always true.
> > 
> > Ah OK.
> > 
> > > > > Unfortunatelly I can't figure out a fix for this issue, hopefully
> > > > > you have more ideas.
> > > > 
> > > > Attached is a very verbose writeback debug patch, hope it helps and
> > > > won't disturb the workload a lot :)
> > > Hmm, the log buf will get overflowed soon, there is > 400m/s io. I tried
> > > to produce this issue in a system with two disks, but fail. Anyway, I'll try
> > > it out tomorrow.
> > 
> > Thank you~  I'd recommend to use netconsole or serial line, and stop
> > local klogd because the write of log messages could add noises. 
> attached is a short log. I'll try to get a full log after finish latest
> git test.
> bdi_nr_reclaimable is always less than bdi_thresh in the log. because

Yes. Only background_writeout() is working and queue is congested.

> when bdi_nr_reclaimable + bdi_nr_writeback > bdi_thresh, background
> writeback is already started, so bdi_nr_writeback should be > 0.

Yes, when process is throttled, bdi_nr_writeback > (bdi_thresh - bdi_nr_reclaimable).

For each background_writeout() loop (each takes about 0.1s), there are
~100 balance_dirty_pages() loops.  The latter makes pretty much loop overheads.

Most importantly, most background_writeout() loops only wrote several pages
(the large towrite values), which is extremely inefficient. I wonder why it
cannot write more?

> global dirty=246756 writeback=43800 nfs=0 flags=C_ towrite=1018 skipped=0
> global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1024 skipped=0
> global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1022 skipped=0
> global dirty=247029 writeback=43527 nfs=0 flags=CM towrite=1020 skipped=0
> global dirty=247029 writeback=43527 nfs=0 flags=C_ towrite=1024 skipped=0
> global dirty=246665 writeback=43800 nfs=0 flags=C_ towrite=1022 skipped=0
> global dirty=246301 writeback=44164 nfs=0 flags=C_ towrite=646 skipped=0

Thanks,
Fengguang

Content-Description: msg2
> 0, bdi_thresh=23810, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27860, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696602
> bdi_nr_reclaimable=21040, bdi_thresh=24479, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24906, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27862, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=20480, bdi_thresh=23809, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24903, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145141, dirty_thresh=290283
> global dirty=246756 writeback=43800 nfs=0 flags=C_ towrite=1018 skipped=0
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27850, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21320, bdi_thresh=24944, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21320, bdi_thresh=24940, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27864, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145141, dirty_thresh=290283
> redirty_tail +435: inode 174623
> bdi_nr_reclaimable=21480, bdi_thresh=24894, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24900, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27862, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27855, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21320, bdi_thresh=24943, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=20480, bdi_thresh=23793, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24479, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27862, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21320, bdi_thresh=24942, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27860, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24904, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21320, bdi_thresh=24946, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24906, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=20480, bdi_thresh=23809, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
> redirty_tail +435: inode 4784181
> bdi_nr_reclaimable=21480, bdi_thresh=24902, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21320, bdi_thresh=24944, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27863, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24905, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24903, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24903, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145141, dirty_thresh=290283
> redirty_tail +435: inode 3474323
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24864, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27863, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21480, bdi_thresh=24864, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21040, bdi_thresh=24496, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=21320, bdi_thresh=24945, background_thresh=145141, dirty_thresh=290283
> requeue_io +527: inode 0
> bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=24160, bdi_thresh=27861, background_thresh=145141, dirty_thresh=290283
> requeue_io +527: inode 0
> bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145141, dirty_thresh=290283
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=21320, bdi_thresh=24906, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145150, dirty_thresh=290301
> redirty_tail +502: inode 12415
> bdi_nr_reclaimable=24160, bdi_thresh=27861, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145150, dirty_thresh=290301
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145159, dirty_thresh=290319
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145159, dirty_thresh=290319
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145159, dirty_thresh=290319
> bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24921, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23812, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18250, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24496, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145168, dirty_thresh=290337
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621688
> bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> redirty_tail +435: inode 174623
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> redirty_tail +435: inode 4784181
> redirty_tail +435: inode 3474323
> requeue_io +527: inode 0
> requeue_io +527: inode 0
> redirty_tail +502: inode 12396
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621689
> bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23812, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16827, background_thresh=145168, dirty_thresh=290337
> global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24910, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24916, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23795, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24494, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24906, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24922, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16827, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24498, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24902, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24497, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24921, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23813, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18249, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696603
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24906, background_thresh=145168, dirty_thresh=290337
> global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18250, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145168, dirty_thresh=290337
> requeue_io +527: inode 0
> bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> requeue_io +527: inode 0
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> redirty_tail +502: inode 12533
> bdi_nr_reclaimable=21040, bdi_thresh=24496, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145168, dirty_thresh=290337
> redirty_tail +435: inode 174623
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> redirty_tail +435: inode 4784181
> redirty_tail +435: inode 3474323
> requeue_io +527: inode 0
> requeue_io +527: inode 0
> redirty_tail +502: inode 13474
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621691
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696603
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
> global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1024 skipped=0
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1022 skipped=0
> bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24929, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23810, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23794, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24932, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23794, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24930, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24930, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24924, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24860, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24931, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24478, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23792, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23801, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23809, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24924, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24860, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24930, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24928, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24931, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24866, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23808, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23791, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23800, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24941, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24477, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24927, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23807, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23790, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23799, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24927, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24866, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23806, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24860, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24478, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24939, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24935, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23808, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24936, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24938, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24862, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24936, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24935, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24927, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23799, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> requeue_io +527: inode 0
> bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24860, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23807, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23790, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24478, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> requeue_io +527: inode 0
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24939, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24866, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> redirty_tail +502: inode 13925
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24935, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23805, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23798, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24932, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24938, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24475, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23789, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24479, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24943, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24947, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24947, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24942, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23805, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24943, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24826, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24945, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23806, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145168, dirty_thresh=290337
> redirty_tail +435: inode 174623
> bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24947, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24826, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> redirty_tail +435: inode 4784181
> bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24823, background_thresh=145168, dirty_thresh=290337
> redirty_tail +442: inode 3474323
> bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24943, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24820, background_thresh=145168, dirty_thresh=290337
> requeue_io +527: inode 0
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145168, dirty_thresh=290337
> redirty_tail +502: inode 14004
> bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24934, background_thresh=145168, dirty_thresh=290337
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696607
> bdi_nr_reclaimable=21320, bdi_thresh=24780, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24782, background_thresh=145168, dirty_thresh=290337
> global dirty=247029 writeback=43527 nfs=0 flags=CM towrite=1020 skipped=0
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24783, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23796, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24472, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145168, dirty_thresh=290337
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621691
> bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24477, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23787, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24781, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24947, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24474, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24946, background_thresh=145168, dirty_thresh=290337
> global dirty=247029 writeback=43527 nfs=0 flags=C_ towrite=1024 skipped=0
> bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24942, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24785, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21320, bdi_thresh=24826, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> redirty_tail +435: inode 174623
> bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24943, background_thresh=145168, dirty_thresh=290337
> redirty_tail +435: inode 4784181
> bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24945, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15240, bdi_thresh=16821, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21240, bdi_thresh=24825, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> redirty_tail +442: inode 3474323
> bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=21640, bdi_thresh=24902, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24907, background_thresh=145177, dirty_thresh=290355
> requeue_io +527: inode 0
> bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24904, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21080, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
> redirty_tail +502: inode 14023
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24786, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24783, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24903, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24907, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145177, dirty_thresh=290355
> redirty_tail +435: inode 21
> bdi_nr_reclaimable=21000, bdi_thresh=24823, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24903, background_thresh=145177, dirty_thresh=290355
> redirty_tail +435: inode 174623
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145177, dirty_thresh=290355
> redirty_tail +435: inode 4784181
> bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> redirty_tail +435: inode 3474323
> requeue_io +527: inode 0
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24904, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24824, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24487, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> redirty_tail +502: inode 14042
> bdi_nr_reclaimable=21640, bdi_thresh=24905, background_thresh=145177, dirty_thresh=290355
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696985
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24823, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24867, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24860, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=20480, bdi_thresh=23801, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24854, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24823, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24471, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15240, bdi_thresh=16818, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24822, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=20480, bdi_thresh=23794, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24820, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24487, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=20480, bdi_thresh=23785, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24867, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24820, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24866, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15240, bdi_thresh=16818, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24867, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18238, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24473, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24864, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145177, dirty_thresh=290355
> mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621693
> bdi_nr_reclaimable=21040, bdi_thresh=24482, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24786, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=20480, bdi_thresh=23800, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24862, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15240, bdi_thresh=16817, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145177, dirty_thresh=290355
> global dirty=246665 writeback=43800 nfs=0 flags=C_ towrite=1022 skipped=0
> bdi_nr_reclaimable=21000, bdi_thresh=24784, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21640, bdi_thresh=24864, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18238, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21440, bdi_thresh=24864, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21360, bdi_thresh=24862, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21360, bdi_thresh=24903, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21320, bdi_thresh=24865, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145177, dirty_thresh=290355
> global dirty=246301 writeback=44164 nfs=0 flags=C_ towrite=646 skipped=0
> bdi_nr_reclaimable=15240, bdi_thresh=16818, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=19720, bdi_thresh=23385, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24786, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21280, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
> redirty_tail +435: inode 174623
> bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
> bdi_nr_reclaimable=21000, bdi_thresh=24783, background_thresh=145177, dirty_thresh=290355
> redirty_tail +435: inode 4784181
> redirty_tail +435: inode 3474323
> requeue_io +527: inode 0
> redirty_tail +502: inode 14061
> bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145177, dirty_thresh=290355
> redirty_tail +442: inode 27
> redirty_tail +435: inode 174623
> redirty_tail +435: inode 4784181
> redirty_tail +435: inode 3474323
> requeue_io +527: inode 0
> redirty_tail +502: inode 14096

Re: regression in page writeback

[Wu Fengguang]

On Wed, Sep 23, 2009 at 12:00:24PM +0800, Wu Fengguang wrote:
[snip]
> > attached is a short log. I'll try to get a full log after finish latest
> > git test.
> > bdi_nr_reclaimable is always less than bdi_thresh in the log. because
> 
> Yes. Only background_writeout() is working and queue is congested.
> 
> > when bdi_nr_reclaimable + bdi_nr_writeback > bdi_thresh, background
> > writeback is already started, so bdi_nr_writeback should be > 0.
> 
> Yes, when process is throttled, bdi_nr_writeback > (bdi_thresh - bdi_nr_reclaimable).
> 
> For each background_writeout() loop (each takes about 0.1s), there are
> ~100 balance_dirty_pages() loops.  The latter makes pretty much loop overheads.
> 
> Most importantly, most background_writeout() loops only wrote several pages
> (the large towrite values), which is extremely inefficient. I wonder why it
> cannot write more?

Ah when queue is congested, the congestion_on => congestion_off
threshold is small. For nr_requests=128, that threshold would be
about 128/16 = 8 pages, a pretty small number.

Thanks,
Fengguang

> > global dirty=246756 writeback=43800 nfs=0 flags=C_ towrite=1018 skipped=0
> > global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> > global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> > global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> > global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1024 skipped=0
> > global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1022 skipped=0
> > global dirty=247029 writeback=43527 nfs=0 flags=CM towrite=1020 skipped=0
> > global dirty=247029 writeback=43527 nfs=0 flags=C_ towrite=1024 skipped=0
> > global dirty=246665 writeback=43800 nfs=0 flags=C_ towrite=1022 skipped=0
> > global dirty=246301 writeback=44164 nfs=0 flags=C_ towrite=646 skipped=0
> 
> Thanks,
> Fengguang
> 
> Content-Description: msg2
> > 0, bdi_thresh=23810, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27860, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696602
> > bdi_nr_reclaimable=21040, bdi_thresh=24479, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24906, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27862, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=20480, bdi_thresh=23809, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24903, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145141, dirty_thresh=290283
> > global dirty=246756 writeback=43800 nfs=0 flags=C_ towrite=1018 skipped=0
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27850, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21320, bdi_thresh=24944, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21320, bdi_thresh=24940, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27864, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145141, dirty_thresh=290283
> > redirty_tail +435: inode 174623
> > bdi_nr_reclaimable=21480, bdi_thresh=24894, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24900, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27862, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27855, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21320, bdi_thresh=24943, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=20480, bdi_thresh=23793, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24479, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27862, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21320, bdi_thresh=24942, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27860, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24904, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21320, bdi_thresh=24946, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24906, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=20480, bdi_thresh=23809, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24907, background_thresh=145141, dirty_thresh=290283
> > redirty_tail +435: inode 4784181
> > bdi_nr_reclaimable=21480, bdi_thresh=24902, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21320, bdi_thresh=24944, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27863, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24905, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24903, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24903, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145141, dirty_thresh=290283
> > redirty_tail +435: inode 3474323
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24864, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27863, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21480, bdi_thresh=24864, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21040, bdi_thresh=24496, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=21320, bdi_thresh=24945, background_thresh=145141, dirty_thresh=290283
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=24160, bdi_thresh=27861, background_thresh=145141, dirty_thresh=290283
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145141, dirty_thresh=290283
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=21320, bdi_thresh=24906, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145150, dirty_thresh=290301
> > redirty_tail +502: inode 12415
> > bdi_nr_reclaimable=24160, bdi_thresh=27861, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145150, dirty_thresh=290301
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145159, dirty_thresh=290319
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145159, dirty_thresh=290319
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145159, dirty_thresh=290319
> > bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24921, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23812, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18250, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24496, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145168, dirty_thresh=290337
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621688
> > bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> > global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> > bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +435: inode 174623
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +435: inode 4784181
> > redirty_tail +435: inode 3474323
> > requeue_io +527: inode 0
> > requeue_io +527: inode 0
> > redirty_tail +502: inode 12396
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621689
> > bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23812, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16827, background_thresh=145168, dirty_thresh=290337
> > global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24910, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24916, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23795, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24494, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16826, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24906, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24922, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16827, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24498, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24902, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24497, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24921, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23813, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18249, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696603
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24923, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24906, background_thresh=145168, dirty_thresh=290337
> > global dirty=246847 writeback=43800 nfs=0 flags=C_ towrite=1023 skipped=0
> > bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18250, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24905, background_thresh=145168, dirty_thresh=290337
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24495, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24919, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +502: inode 12533
> > bdi_nr_reclaimable=21040, bdi_thresh=24496, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +435: inode 174623
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +435: inode 4784181
> > redirty_tail +435: inode 3474323
> > requeue_io +527: inode 0
> > requeue_io +527: inode 0
> > redirty_tail +502: inode 13474
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621691
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696603
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
> > global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1024 skipped=0
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > global dirty=246847 writeback=43709 nfs=0 flags=C_ towrite=1022 skipped=0
> > bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24929, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23810, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23811, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23794, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24932, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24904, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24920, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23794, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18248, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18247, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24903, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24926, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24900, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24930, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24493, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24930, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24924, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24860, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24931, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24478, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23792, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23801, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23809, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24918, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24924, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24860, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24930, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24928, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24931, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24866, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23808, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23791, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23800, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24160, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24941, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24477, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24927, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23807, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23790, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23799, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24927, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24866, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23806, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24860, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24478, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24939, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24935, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24492, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23808, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24936, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24938, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24862, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24936, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24935, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18246, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24927, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24863, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24933, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24864, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23799, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24860, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23807, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23790, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24478, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24939, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24937, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24866, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +502: inode 13925
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24935, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23805, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23798, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24932, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24938, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24475, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23789, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24479, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24943, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24947, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24947, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24942, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23805, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24490, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24943, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24826, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24945, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23806, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24491, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +435: inode 174623
> > bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24947, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18245, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24826, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +435: inode 4784181
> > bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24823, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +442: inode 3474323
> > bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24943, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24820, background_thresh=145168, dirty_thresh=290337
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +502: inode 14004
> > bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24934, background_thresh=145168, dirty_thresh=290337
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696607
> > bdi_nr_reclaimable=21320, bdi_thresh=24780, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24481, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24489, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24782, background_thresh=145168, dirty_thresh=290337
> > global dirty=247029 writeback=43527 nfs=0 flags=CM towrite=1020 skipped=0
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24783, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24940, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23796, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=19720, bdi_thresh=23425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23803, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24472, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145168, dirty_thresh=290337
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621691
> > bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24477, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23787, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26625, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24781, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24947, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24474, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24946, background_thresh=145168, dirty_thresh=290337
> > global dirty=247029 writeback=43527 nfs=0 flags=C_ towrite=1024 skipped=0
> > bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24942, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24785, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21320, bdi_thresh=24826, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +435: inode 174623
> > bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24943, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +435: inode 4784181
> > bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24945, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24944, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15240, bdi_thresh=16821, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21240, bdi_thresh=24825, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=20480, bdi_thresh=23804, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145168, dirty_thresh=290337
> > redirty_tail +442: inode 3474323
> > bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=21640, bdi_thresh=24902, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145168, dirty_thresh=290337
> > bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24907, background_thresh=145177, dirty_thresh=290355
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18244, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24904, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21080, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +502: inode 14023
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18243, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24786, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24783, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24903, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24907, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +435: inode 21
> > bdi_nr_reclaimable=21000, bdi_thresh=24823, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24903, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +435: inode 174623
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +435: inode 4784181
> > bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +435: inode 3474323
> > requeue_io +527: inode 0
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24904, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24824, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24487, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +502: inode 14042
> > bdi_nr_reclaimable=21640, bdi_thresh=24905, background_thresh=145177, dirty_thresh=290355
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=599 n=-6696985
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24823, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24486, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24867, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19034, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15240, bdi_thresh=16820, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24860, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26611, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=20480, bdi_thresh=23801, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24854, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19026, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24823, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26615, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27412, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24488, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24471, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26620, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15240, bdi_thresh=16818, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24822, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27822, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=20480, bdi_thresh=23794, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24820, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24476, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24487, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=20480, bdi_thresh=23785, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27820, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27422, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24867, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26424, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27824, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24820, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27427, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27416, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24866, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19031, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15240, bdi_thresh=16818, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24867, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27425, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18238, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24473, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27810, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24864, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24485, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145177, dirty_thresh=290355
> > mm/page-writeback.c 762 background_writeout: comm=pdflush pid=10090 n=-6621693
> > bdi_nr_reclaimable=21040, bdi_thresh=24482, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24483, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26418, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24786, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=20480, bdi_thresh=23800, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27823, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24862, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15240, bdi_thresh=16817, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19027, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26425, background_thresh=145177, dirty_thresh=290355
> > global dirty=246665 writeback=43800 nfs=0 flags=C_ towrite=1022 skipped=0
> > bdi_nr_reclaimable=21000, bdi_thresh=24784, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26422, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26618, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24480, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21040, bdi_thresh=24484, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26621, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15240, bdi_thresh=16819, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19033, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21640, bdi_thresh=24864, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27815, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27426, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=24200, bdi_thresh=27821, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26423, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27413, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26420, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18238, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26626, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27423, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=20480, bdi_thresh=23802, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26421, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21440, bdi_thresh=24864, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18239, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27421, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19030, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18241, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18240, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21360, bdi_thresh=24862, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21360, bdi_thresh=24903, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23920, bdi_thresh=27418, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=22840, bdi_thresh=26414, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21320, bdi_thresh=24865, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=23080, bdi_thresh=26624, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15640, bdi_thresh=19032, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=15880, bdi_thresh=18242, background_thresh=145177, dirty_thresh=290355
> > global dirty=246301 writeback=44164 nfs=0 flags=C_ towrite=646 skipped=0
> > bdi_nr_reclaimable=15240, bdi_thresh=16818, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=19720, bdi_thresh=23385, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24786, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21280, bdi_thresh=24863, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +435: inode 174623
> > bdi_nr_reclaimable=21000, bdi_thresh=24785, background_thresh=145177, dirty_thresh=290355
> > bdi_nr_reclaimable=21000, bdi_thresh=24783, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +435: inode 4784181
> > redirty_tail +435: inode 3474323
> > requeue_io +527: inode 0
> > redirty_tail +502: inode 14061
> > bdi_nr_reclaimable=23080, bdi_thresh=26623, background_thresh=145177, dirty_thresh=290355
> > redirty_tail +442: inode 27
> > redirty_tail +435: inode 174623
> > redirty_tail +435: inode 4784181
> > redirty_tail +435: inode 3474323
> > requeue_io +527: inode 0
> > redirty_tail +502: inode 14096
>