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authorGang He <ghe@suse.com>2020-10-13 16:48:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-13 18:38:27 -0700
commit8dd71b25c56a707fd492035c03e20e91040eedcf (patch)
tree060cde62088c25ac07d71cdf480a15e4fbb0a35d /fs/xattr.c
parent679edeb0ed8ac3e5df020976249d062624f35fa5 (diff)
ocfs2: fix potential soft lockup during fstrim
When we discard unused blocks on a mounted ocfs2 filesystem, fstrim handles each block goup with locking/unlocking global bitmap meta-file repeatedly. we should let fstrim thread take a break(if need) between unlock and lock, this will avoid the potential soft lockup problem, and also gives the upper applications more IO opportunities, these applications are not blocked for too long at writing files. Signed-off-by: Gang He <ghe@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Jun Piao <piaojun@huawei.com> Link: https://lkml.kernel.org/r/20200927015815.14904-1-ghe@suse.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/xattr.c')
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