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| /openbmc/linux/fs/quota/ |
| H A D | dquot.c | 2700e606 Mon Dec 19 07:01:39 CST 2016 Jan Kara <jack@suse.cz> quota: Fix bogus warning in dquot_disable()
dquot_disable() was warning when sb_has_quota_loaded() was true when
invalidating page cache for quota files. The thinking behind this
warning was that we must have raced with somebody else turning quotas on
and this should not happen because all places modifying quota state must
hold s_umount exclusively now. However sb_has_quota_loaded() can be also
true at this point when we are just suspending quotas on remount
read-only. Just restore the behavior to situation before commit
c3b004460d77 ("quota: Remove dqonoff_mutex") which introduced the
warning.
The code in dquot_disable() can be further simplified with the new
locking of quota state changes however let's leave that to a separate
commit that can get more testing exposure.
Fixes: c3b004460d77bf3f980d877be539016f2df4df12
Signed-off-by: Jan Kara <jack@suse.cz>
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