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/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 5e929f0..6bddce4 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1480,7 +1480,7 @@
 	if (set_blocksize(btp->bt_bdev, sectorsize)) {
 		xfs_warn(btp->bt_mount,
 			"Cannot set_blocksize to %u on device %s\n",
-			sectorsize, XFS_BUFTARG_NAME(btp));
+			sectorsize, xfs_buf_target_name(btp));
 		return EINVAL;
 	}