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quota: Do not acquire dqio_sem for dquot overwrites in v2 format
authorJan Kara <jack@suse.cz>
Thu, 8 Jun 2017 14:09:46 +0000 (16:09 +0200)
committerJan Kara <jack@suse.cz>
Thu, 17 Aug 2017 17:03:16 +0000 (19:03 +0200)
commit3c86fb7b42d90d2eb515333fd19f8271c288c5e9
tree24e3f4fc0ef864c48f0751090937c09752657942tree | snapshot
parent886f4780d12ac444b63dcc5bf502b138a2e68b93commit | diff
quota: Do not acquire dqio_sem for dquot overwrites in v2 format

When dquot has space already allocated in a quota file, we just
overwrite that place when writing dquot. So we don't need any protection
against other modifications of quota file as these keep dquot in place.

Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/quota/quota_v2.c diff | blob | history
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