[XFS] Remove unused argument to xfs_bmap_finish

The firstblock argument to xfs_bmap_finish is not used by that function.
Remove it and cleanup the code a bit.

Patch provided by Eric Sandeen.

SGI-PV: 960196
SGI-Modid: xfs-linux-melb:xfs-kern:28034a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 1965512..2069e2c 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -542,7 +542,7 @@
 	/*
 	 * Complete the transaction
 	 */
-	error = xfs_bmap_finish(&tp, &free_list, firstfsb, &committed);
+	error = xfs_bmap_finish(&tp, &free_list, &committed);
 	if (error)
 		goto error0;
 	error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
@@ -838,8 +838,7 @@
 			if (error)
 				goto trans_cancel;
 
-			error = xfs_bmap_finish(&tp, &free_list,
-					first_block, &committed);
+			error = xfs_bmap_finish(&tp, &free_list, &committed);
 			if (error)
 				goto trans_cancel;
 
@@ -947,8 +946,7 @@
 		if (error)
 			goto error_on_bmapi_transaction;
 
-		error = xfs_bmap_finish(&(tp), &(free_list),
-				firstfsb, &committed);
+		error = xfs_bmap_finish(&(tp), &(free_list), &committed);
 		if (error)
 			goto error_on_bmapi_transaction;