On Wed, Mar 25, 2009 at 08:17:43PM +0800, Wu Fengguang wrote: > Now there are now two possible solutions: > - unconditionally update dirtied_when in redirty_tail(); > - keep dirtied_when and redirty inodes to a new dedicated queue. > The first one involves less code, the second one allows more flexible timing. > > NFS/XFS could be a good starting point for discussing the > requirements, so that we can reach a suitable solution. Note that the XFS requirement also applies to all filesystems that perform some sort of metadata updats on I/O completeion. That includes at least ext4, btrfs and most likely the cluster filesystems too. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html