[XFS] xfs_quiesce_fs() never returns an error. Mark it void.

SGI-PV: 980084
SGI-Modid: xfs-linux-melb:xfs-kern:30780a
Signed-off-by: NDavid Chinner <dgc@sgi.com>
Signed-off-by: NNiv Sardi <xaiki@sgi.com>
Signed-off-by: NLachlan McIlroy <lachlan@sgi.com>

fs/xfs/xfs_vfsops.c

@@ -637,7 +637,7 @@ xfs_unmount(
 	return XFS_ERROR(error);
 }
 
-STATIC int
+STATIC void
 xfs_quiesce_fs(
 	xfs_mount_t		*mp)
 {
@@ -661,8 +661,6 @@ xfs_quiesce_fs(
 			count++;
 		}
 	} while (count < 2);
-
-	return 0;
 }
 
 /*