locks: add missing memory barrier in break_deleg
authorJeff Layton <jlayton@poochiereds.net>
Tue, 10 Jun 2014 16:24:40 +0000 (12:24 -0400)
committerJeff Layton <jlayton@poochiereds.net>
Tue, 10 Jun 2014 16:24:40 +0000 (12:24 -0400)
break_deleg is subject to the same potential race as break_lease. Add
a memory barrier to prevent it.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
include/linux/fs.h

Simple merge