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Date: Wed, 4 Nov 2009 14:18:37 -0500 From: Vivek Goyal <vgoyal@...hat.com> To: Jeff Moyer <jmoyer@...hat.com> Cc: linux-kernel@...r.kernel.org, jens.axboe@...cle.com, nauman@...gle.com, dpshah@...gle.com, lizf@...fujitsu.com, ryov@...inux.co.jp, fernando@....ntt.co.jp, s-uchida@...jp.nec.com, taka@...inux.co.jp, guijianfeng@...fujitsu.com, balbir@...ux.vnet.ibm.com, righi.andrea@...il.com, m-ikeda@...jp.nec.com, akpm@...ux-foundation.org, riel@...hat.com, kamezawa.hiroyu@...fujitsu.com Subject: Re: [PATCH 20/20] blkio: Drop the reference to queue once the task changes cgroup On Wed, Nov 04, 2009 at 02:09:40PM -0500, Jeff Moyer wrote: > Vivek Goyal <vgoyal@...hat.com> writes: > > > o If a task changes cgroup, drop reference to the cfqq associated with io > > context so that upon next request arrival we will allocate a new queue in > > new group. > > You're doing more than dropping the reference, you're also setting the > pointer in the cic to NULL. This is what you need to do, of course, but > your changelog is misleading (and sounds incomplete, and sends off > alarms in my head). > Will enrich changelog in next version. Thanks Vivek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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