ocfs2: only take lock if dio entry when recover orphans

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We have no need to take inode mutex, rw and inode lock if it is not dio
entry when recover orphans.  Optimize it by adding a flag
OCFS2_INODE_DIO_ORPHAN_ENTRY to ocfs2_inode_info to reduce contention.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Joseph Qi 2015-11-05 18:44:04 -08:00 • committed by Linus Torvalds

parent 30edc43c7f

commit 93d911fcce

2 changed files with 49 additions and 39 deletions

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2

fs/ocfs2/inode.h

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86

fs/ocfs2/journal.c

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