gfs2: use inode_lock/unlock instead of accessing i_mutex directly

i_mutex has been replaced by i_rwsem and directly accessing the
non-existent i_mutex breaks the kernel build.

Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
This commit is contained in:
Abhi Das 2016-05-02 07:07:01 -05:00 • committed by Bob Peterson
commit 80f4781d2c