ext4: Remove i_mutex use from ext4_quota_write()
authorJan Kara <jack@suse.cz>
Wed, 25 Apr 2012 19:26:54 +0000 (21:26 +0200)
committerJan Kara <jack@suse.cz>
Tue, 15 May 2012 21:34:38 +0000 (23:34 +0200)
commit0b7f7cefaea96ef25dbe54b8e16d2d61560d8b9d
tree640e7107056b7cc5cf06b1c03ba569bd241b6c31
parent905c3937625d14fa4453a2643814b72b8a22d9ae
ext4: Remove i_mutex use from ext4_quota_write()

We don't need i_mutex in ext4_quota_write() because writes to quota file
are serialized by dqio_mutex anyway. Changes to quota files outside of quota
code are forbidded and enforced by NOATIME and IMMUTABLE bits.

Signed-off-by: Jan Kara <jack@suse.cz>
fs/ext4/super.c