From: Wu Fengguang <fengguang.wu@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>, Mel Gorman <mel@linux.vnet.ibm.com>,
Mel Gorman <mel@csn.ul.ie>, Wu Fengguang <fengguang.wu@intel.com>,
Dave Chinner <david@fromorbit.com>,
Trond Myklebust <Trond.Myklebust@netapp.com>,
Itaru Kitayama <kitayama@cl.bb4u.ne.jp>,
Minchan Kim <minchan.kim@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-fsdevel@vger.kernel.org,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [PATCH 1/6] writeback: pass writeback_control down to move_expired_inodes()
Date: Tue, 19 Apr 2011 11:00:04 +0800 [thread overview]
Message-ID: <20110419030532.268874944@intel.com> (raw)
In-Reply-To: 20110419030003.108796967@intel.com
[-- Attachment #1: writeback-pass-wbc-to-queue_io.patch --]
[-- Type: text/plain, Size: 2829 bytes --]
This is to prepare for moving the dirty expire policy to move_expired_inodes().
No behavior change.
Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
fs/fs-writeback.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
--- linux-next.orig/fs/fs-writeback.c 2011-04-19 10:18:17.000000000 +0800
+++ linux-next/fs/fs-writeback.c 2011-04-19 10:18:28.000000000 +0800
@@ -251,8 +251,8 @@ static bool inode_dirtied_after(struct i
* Move expired dirty inodes from @delaying_queue to @dispatch_queue.
*/
static void move_expired_inodes(struct list_head *delaying_queue,
- struct list_head *dispatch_queue,
- unsigned long *older_than_this)
+ struct list_head *dispatch_queue,
+ struct writeback_control *wbc)
{
LIST_HEAD(tmp);
struct list_head *pos, *node;
@@ -262,8 +262,8 @@ static void move_expired_inodes(struct l
while (!list_empty(delaying_queue)) {
inode = wb_inode(delaying_queue->prev);
- if (older_than_this &&
- inode_dirtied_after(inode, *older_than_this))
+ if (wbc->older_than_this &&
+ inode_dirtied_after(inode, *wbc->older_than_this))
break;
if (sb && sb != inode->i_sb)
do_sb_sort = 1;
@@ -299,11 +299,11 @@ static void move_expired_inodes(struct l
* |
* +--> dequeue for IO
*/
-static void queue_io(struct bdi_writeback *wb, unsigned long *older_than_this)
+static void queue_io(struct bdi_writeback *wb, struct writeback_control *wbc)
{
assert_spin_locked(&inode_wb_list_lock);
list_splice_init(&wb->b_more_io, &wb->b_io);
- move_expired_inodes(&wb->b_dirty, &wb->b_io, older_than_this);
+ move_expired_inodes(&wb->b_dirty, &wb->b_io, wbc);
}
static int write_inode(struct inode *inode, struct writeback_control *wbc)
@@ -579,7 +579,7 @@ void writeback_inodes_wb(struct bdi_writ
wbc->wb_start = jiffies; /* livelock avoidance */
spin_lock(&inode_wb_list_lock);
if (!wbc->for_kupdate || list_empty(&wb->b_io))
- queue_io(wb, wbc->older_than_this);
+ queue_io(wb, wbc);
while (!list_empty(&wb->b_io)) {
struct inode *inode = wb_inode(wb->b_io.prev);
@@ -606,7 +606,7 @@ static void __writeback_inodes_sb(struct
spin_lock(&inode_wb_list_lock);
if (!wbc->for_kupdate || list_empty(&wb->b_io))
- queue_io(wb, wbc->older_than_this);
+ queue_io(wb, wbc);
writeback_sb_inodes(sb, wb, wbc, true);
spin_unlock(&inode_wb_list_lock);
}
--
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next prev parent reply other threads:[~2011-04-19 3:10 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-19 3:00 [PATCH 0/6] writeback: moving expire targets for background/kupdate works Wu Fengguang
2011-04-19 3:00 ` Wu Fengguang [this message]
2011-04-19 3:00 ` [PATCH 2/6] writeback: the kupdate expire timestamp should be a moving target Wu Fengguang
2011-04-19 7:02 ` Dave Chinner
2011-04-19 7:20 ` Wu Fengguang
2011-04-19 9:31 ` Jan Kara
2011-04-19 3:00 ` [PATCH 3/6] writeback: sync expired inodes first in background writeback Wu Fengguang
2011-04-19 7:35 ` Dave Chinner
2011-04-19 9:57 ` Jan Kara
2011-04-19 12:56 ` Wu Fengguang
2011-04-19 13:46 ` Wu Fengguang
2011-04-20 1:21 ` Dave Chinner
2011-04-20 2:53 ` Wu Fengguang
2011-04-21 0:45 ` Dave Chinner
2011-04-21 2:06 ` Wu Fengguang
2011-04-21 3:01 ` Dave Chinner
2011-04-21 3:59 ` Wu Fengguang
2011-04-21 4:10 ` Wu Fengguang
2011-04-21 4:36 ` Christoph Hellwig
2011-04-21 6:36 ` Dave Chinner
2011-04-21 16:04 ` Jan Kara
2011-04-22 2:24 ` Wu Fengguang
2011-04-22 21:12 ` Jan Kara
2011-04-26 5:37 ` Wu Fengguang
2011-04-26 14:30 ` Jan Kara
2011-04-20 7:38 ` Wu Fengguang
2011-04-21 1:01 ` Dave Chinner
2011-04-21 1:47 ` Wu Fengguang
2011-04-19 3:00 ` [PATCH 4/6] writeback: introduce writeback_control.inodes_cleaned Wu Fengguang
2011-04-19 9:47 ` Jan Kara
2011-04-19 3:00 ` [PATCH 5/6] writeback: try more writeback as long as something was written Wu Fengguang
2011-04-19 10:20 ` Jan Kara
2011-04-19 11:16 ` Wu Fengguang
2011-04-19 21:10 ` Jan Kara
2011-04-20 7:50 ` Wu Fengguang
2011-04-20 15:22 ` Jan Kara
2011-04-21 3:33 ` Wu Fengguang
2011-04-21 4:39 ` Christoph Hellwig
2011-04-21 6:05 ` Wu Fengguang
2011-04-21 16:41 ` Jan Kara
2011-04-22 2:32 ` Wu Fengguang
2011-04-22 21:23 ` Jan Kara
2011-04-21 7:09 ` Dave Chinner
2011-04-21 7:14 ` Christoph Hellwig
2011-04-21 7:52 ` Dave Chinner
2011-04-21 8:00 ` Christoph Hellwig
2011-04-19 3:00 ` [PATCH 6/6] NFS: return -EAGAIN when skipped commit in nfs_commit_unstable_pages() Wu Fengguang
2011-04-19 3:29 ` Trond Myklebust
2011-04-19 3:55 ` Wu Fengguang
2011-04-21 4:40 ` Christoph Hellwig
2011-04-19 6:38 ` [PATCH 0/6] writeback: moving expire targets for background/kupdate works Dave Chinner
2011-04-19 8:02 ` Wu Fengguang
2011-04-21 4:34 ` Christoph Hellwig
2011-04-21 5:50 ` Wu Fengguang
2011-04-21 5:56 ` Christoph Hellwig
2011-04-21 6:07 ` Wu Fengguang
2011-04-21 7:17 ` Christoph Hellwig
2011-04-21 10:15 ` Wu Fengguang
-- strict thread matches above, loose matches on Subject: below --
2011-04-20 8:03 [PATCH 0/6] writeback: moving expire targets for background/kupdate works v2 Wu Fengguang
2011-04-20 8:03 ` [PATCH 1/6] writeback: pass writeback_control down to move_expired_inodes() Wu Fengguang
2011-05-04 11:04 ` Christoph Hellwig
2011-05-04 11:13 ` Wu Fengguang
2010-07-22 5:09 [PATCH 0/6] [RFC] writeback: try to write older pages first Wu Fengguang
2010-07-22 5:09 ` [PATCH 1/6] writeback: pass writeback_control down to move_expired_inodes() Wu Fengguang
2010-07-23 18:16 ` Jan Kara
2010-07-26 10:44 ` Mel Gorman
2010-08-01 15:23 ` Minchan Kim
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