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quota: turn quotas off when remounting read-only 

Turn off quotas before filesystem is remounted read only.  Otherwise quota
will try to write to read-only filesystem which does no good...  We could
also just refuse to remount ro when quota is enabled but turning quota off
is consistent with what we do on umount.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara 2008-02-08 04:22:13 -08:00 committed by Linus Torvalds
parent 28ae094c62
commit 66191dc622
1 changed files with 1 additions and 0 deletions
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fs/super.c
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@ -604,6 +604,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
mark_files_ro(sb);
else if (!fs_may_remount_ro(sb))
return -EBUSY;
DQUOT_OFF(sb);
}
if (sb->s_op->remount_fs) {