[XFS] Make xfs_ichgtime call mark_inode_dirty_sync instead of mark_inode_dirty

makes the just the inode look dirty, and not the inode and the data.

SGI Modid: 2.5.x-xfs:slinx:158670a

fs/xfs/xfs_inode.c

@@ -3672,7 +3672,7 @@ xfs_ichgtime(xfs_inode_t *ip,
 	SYNCHRONIZE();
 	ip->i_update_core = 1;
 	if (!(inode->i_state & I_LOCK))
-		mark_inode_dirty(inode);
+		mark_inode_dirty_sync(inode);
 }
 
 #ifdef XFS_ILOCK_TRACE