xfs: remove xfs_buf wrappers

Stop having two different names for many buffer functions and use
the more descriptive xfs_buf_* names directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 4fc72c9..493d6b0 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2724,7 +2724,7 @@
 			XFS_BUF_UNDONE(bp);
 			XFS_BUF_STALE(bp);
 			XFS_BUF_ERROR(bp,EIO);
-			xfs_biodone(bp);
+			xfs_buf_ioend(bp, 0);
 		} else {
 			XFS_BUF_STALE(bp);
 			xfs_buf_relse(bp);