xfs: cleanup dquot locking helpers

Mark the trivial lock wrappers as inline, and make the naming consistent
for all of them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index fc60ec2..6535c4e 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -443,7 +443,7 @@
 			 * out immediately.  We'll be able to acquire
 			 * the flush lock when the I/O completes.
 			 */
-			xfs_qm_dqflock_pushbuf_wait(dqp);
+			xfs_dqflock_pushbuf_wait(dqp);
 		}
 		/*
 		 * Let go of the mplist lock. We don't want to hold it