xfs: Remove the macro XFS_BUFTARG_NAME

Remove the definition and usages of the macro XFS_BUFTARG_NAME.

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_rw.c b/fs/xfs/xfs_rw.c
index 7382bfe..c96a8a0 100644
--- a/fs/xfs/xfs_rw.c
+++ b/fs/xfs/xfs_rw.c
@@ -104,7 +104,7 @@
 	xfs_alert(mp,
 		 "I/O error occurred: meta-data dev %s block 0x%llx"
 		 "       (\"%s\") error %d buf count %zd",
-		XFS_BUFTARG_NAME(bp->b_target),
+		xfs_buf_target_name(bp->b_target),
 		(__uint64_t)blkno, func,
 		bp->b_error, XFS_BUF_COUNT(bp));
 }