[XFS] don't call xfs_freesb from xfs_unmountfs

xfs_readsb is called before xfs_mount so xfs_freesb should be called after
xfs_unmountfs, too. This means it now happens after a few things during
the of xfs_unmount which all have nothing to do with the superblock.

SGI-PV: 981498

SGI-Modid: xfs-linux-melb:xfs-kern:31835a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

fs/xfs/linux-2.6/xfs_super.c

@@ -1147,6 +1147,7 @@ xfs_fs_put_super(
 	}
 
 	xfs_unmountfs(mp);
+	xfs_freesb(mp);
 	xfs_icsb_destroy_counters(mp);
 	xfs_close_devices(mp);
 	xfs_qmops_put(mp);
@@ -1803,7 +1804,7 @@ xfs_fs_fill_super(
 	WARN_ON(error);
 
 	xfs_unmountfs(mp);
-	goto out_free_fsname;
+	goto out_free_sb;
 }
 
 STATIC int

fs/xfs/xfs_mount.c

@@ -1296,8 +1296,6 @@ xfs_unmountfs(
 	xfs_unmountfs_wait(mp); 		/* wait for async bufs */
 	xfs_log_unmount(mp);			/* Done! No more fs ops. */
 
-	xfs_freesb(mp);
-
 	/*
 	 * All inodes from this mount point should be freed.
 	 */