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Date:	Tue, 28 Sep 2010 13:10:55 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	linux-kernel@...r.kernel.org, axboe@...nel.dk
Cc:	vgoyal@...hat.com
Subject: [PATCH] Various block throttling fixes

Hi Jens,

During testing of block device throttling, I found few issues. Here are
the fixes for those issues.

[PATCH 1/4] blkio: Do not export throttle files if CONFIG_BLK_DEV_THROTTLING=n
[PATCH 2/4] blkio: deletion of a cgroup was causes oops
[PATCH 3/4] blkio: Add root group to td->tg_list
[PATCH 4/4] blkio: Recalculate the throttled bio dispatch time upon throttle limit change

Overall diff

 block/blk-cgroup.c   |  121 +++++++++++++++++++++------------------
 block/blk-cgroup.h   |   21 ++++---
 block/blk-throttle.c |  151 ++++++++++++++++++++++++++++++++++++++++++-------
 block/cfq-iosched.c  |    4 +-
 4 files changed, 207 insertions(+), 90 deletions(-)

Thanks
Vivek
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