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From: Suresh Jayaraman <sjayaraman@suse.com>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
	Linux Memory Management List <linux-mm@kvack.org>,
	Andrea Righi <andrea@betterlinux.com>,
	Jeff Moyer <jmoyer@redhat.com>,
	linux-fsdevel@vger.kernel.org,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/6] buffered write IO controller in balance_dirty_pages()
Date: Thu, 29 Mar 2012 08:18:21 +0530	[thread overview]
Message-ID: <4F73CD75.6010807@suse.com> (raw)
In-Reply-To: <20120328211017.GF3376@redhat.com>

On 03/29/2012 02:40 AM, Vivek Goyal wrote:
> On Wed, Mar 28, 2012 at 08:13:08PM +0800, Fengguang Wu wrote:
>>
>> Here is one possible solution to "buffered write IO controller", based on Linux
>> v3.3
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux.git  buffered-write-io-controller
>>
>> Features:
>> - support blkio.weight
> 
> So this does proportional write bandwidth division on bdi for buffered
> writes?

yes.

> 
>> - support blkio.throttle.buffered_write_bps
> 
> This is absolute limit systemwide or per bdi?

system-wide and Fengguang thinks that per bdi should be implemented
trivially.

> [..]
>> The test results included in the last patch look pretty good in despite of the
>> simple implementation.
>>
>>  [PATCH 1/6] blk-cgroup: move blk-cgroup.h in include/linux/blk-cgroup.h
>>  [PATCH 2/6] blk-cgroup: account dirtied pages
>>  [PATCH 3/6] blk-cgroup: buffered write IO controller - bandwidth weight
>>  [PATCH 4/6] blk-cgroup: buffered write IO controller - bandwidth limit
>>  [PATCH 5/6] blk-cgroup: buffered write IO controller - bandwidth limit interface
>>  [PATCH 6/6] blk-cgroup: buffered write IO controller - debug trace
>>
> 
> Hi Fengguang,
> 
> Only patch 0 and patch 4 have shown up in my mail box. Same seems to be
> the case for lkml. I am wondering what happened to rest of the patches.

Same here. But, the rest of the patches showed up much later. In any
case you can access the fullset from here

http://git.kernel.org/?p=linux/kernel/git/wfg/linux.git;a=shortlog;h=refs/heads/buffered-write-io-controller


> Will understand the patches better once I have the full set.
> 


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  parent reply	other threads:[~2012-03-29  2:48 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-28 12:13 [PATCH 0/6] buffered write IO controller in balance_dirty_pages() Fengguang Wu
2012-03-28 12:13 ` [PATCH 1/6] blk-cgroup: move blk-cgroup.h in include/linux/blk-cgroup.h Fengguang Wu
2012-03-28 12:13 ` [PATCH 2/6] blk-cgroup: account dirtied pages Fengguang Wu
2012-03-28 12:13 ` [PATCH 3/6] blk-cgroup: buffered write IO controller - bandwidth weight Fengguang Wu
2012-03-28 12:13 ` [PATCH 4/6] blk-cgroup: buffered write IO controller - bandwidth limit Fengguang Wu
2012-03-28 12:13 ` [PATCH 5/6] blk-cgroup: buffered write IO controller - bandwidth limit interface Fengguang Wu
2012-03-28 12:13 ` [PATCH 6/6] blk-cgroup: buffered write IO controller - debug trace Fengguang Wu
2012-03-28 21:10 ` [PATCH 0/6] buffered write IO controller in balance_dirty_pages() Vivek Goyal
2012-03-28 22:35   ` Fengguang Wu
2012-03-29  2:48   ` Suresh Jayaraman [this message]
2012-03-29  0:34 ` KAMEZAWA Hiroyuki
2012-03-29  1:22   ` Fengguang Wu
2012-04-01  4:16 ` Suresh Jayaraman
2012-04-01  8:30   ` Fengguang Wu
2012-04-01 20:56 ` Vivek Goyal
2012-04-03  8:00   ` Fengguang Wu
2012-04-03 14:53     ` Vivek Goyal
2012-04-03 23:32       ` Fengguang Wu

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