GFS2: Eliminate redundant calls to may_grant
authorBob Peterson <rpeterso@redhat.com>
Thu, 9 Aug 2012 17:48:46 +0000 (12:48 -0500)
committerSteven Whitehouse <swhiteho@redhat.com>
Mon, 24 Sep 2012 09:47:12 +0000 (10:47 +0100)
commite5dc76b9afcfb936818261d65f6f9e1f2c346d59
treeaadd0c310d733c1a64cda0aaabcb4a063ae32285
parent81e1d45061d09f296d7664af70d3334840d123a0
GFS2: Eliminate redundant calls to may_grant

Function add_to_queue was checking may_grant for the passed-in
holder for every iteration of its gh2 loop. Now it only checks it
once at the beginning to see if a try lock is futile.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
fs/gfs2/glock.c