xfs: Remove macro XFS_BUF_HOLD

Remove the definition and usage of the macro XFS_BUF_HOLD

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 9e9b4a7..a6dd497 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -484,7 +484,7 @@
 		return XFS_ITEM_LOCKED;
 
 	/* take a reference to the buffer.  */
-	XFS_BUF_HOLD(bp);
+	xfs_buf_hold(bp);
 
 	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
 	trace_xfs_buf_item_trylock(bip);