Re: [PATCH 0/6] buffered write IO controller in balance_dirty_pages()
From: Suresh Jayaraman
Date: Wed Mar 28 2012 - 22:48:59 EST
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
>> git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux.git buffered-write-io-controller
>> - support blkio.weight
> So this does proportional write bandwidth division on bdi for buffered
>> - 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
>> 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
> Will understand the patches better once I have the full set.
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