quota: Protect dquot writeout with dq_lock

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Currently dquot writeout is only protected by dqio_sem held for writing.
As we transition to a finer grained locking we will use dquot->dq_lock
instead. So acquire it in dquot_commit() and move dqio_sem just around
->commit_dqblk() call as it is still needed to serialize quota file
changes.

Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Jan Kara <jack@suse.cz>

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This commit is contained in:

Jan Kara 2017-06-08 15:16:41 +02:00

parent d6ab366102

commit 5e8cb9b624

1 changed files with 14 additions and 14 deletions

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fs/quota/dquot.c

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