[EXT4 set 4][PATCH 1/5] i_version:64 bit inode version

[J. Bruce Fields]

On Mon, Jul 02, 2007 at 10:58:33AM -0400, Mingming Cao wrote:
> Trond or Bruce, can you please review these patch series and ack if you
> agrees?

Thanks, looks like what we need!

How will nfsd tell whether it can really on a given filesystem's
i_version, or whether it should fall back on ctime?

> As to performance concerns that raise before the inode version counter
> (at least for ext4) is done inside ext4_mark_inode_dirty), so there is
> no extra IO work to store this counter to disk.

So what's the motivation for the "noversion" mount option?

--b.