Whamcloud - gitweb
LU-15 Strange slow IO messages and bad performance
authoryangsheng <ys@whamcloud.com>
Wed, 20 Apr 2011 10:05:51 +0000 (18:05 +0800)
committerOleg Drokin <green@whamcloud.com>
Wed, 17 Aug 2011 01:27:28 +0000 (21:27 -0400)
commitcb714729eb58d4691293eac727c4186f224ba8f8
treebb2efd1c39f0615f2472f6caa49969ef7f837646
parent3d3e2a1674b943821236c430f9494c42b2c60de6
LU-15 Strange slow IO messages and bad performance

b=24183 slow I/O on new files via mballoc.

upstream patch to avoid loading bitmaps from full groups

Change-Id: I9b4de1b4b1942b0f084b6199d5ab3e1267c9e8e3
Signed-off-by: Yang Sheng <ys@whamcloud.com>
Reviewed-on: http://review.whamcloud.com/442
Tested-by: Hudson
Reviewed-by: Johann Lombardi <johann@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
ldiskfs/kernel_patches/patches/ext4-mballoc-group_check-rhel5.patch [new file with mode: 0644]
ldiskfs/kernel_patches/series/ldiskfs-2.6-rhel5-ext4.series