On Tue, Jul 10, 2007 at 08:19:16PM -0400, Mingming Cao wrote:
> On Tue, 2007-07-10 at 18:22 -0700, Andrew Morton wrote:
> > And how does the NFS server know that the filesystem implements i_version?
> > Will a zero-value of i_version have special significance, telling the
> > server to not send this attribute, perhaps?
>
> Bruce raised up this question a few days back when he reviewed this
> patch, I think the solution is add a superblock flag for fs support
> inode versioning, probably at VFS layer?
Sounds fine. As long as it's something that's standard across
filesystems, then I can just do something like
if (sb->s_flags & MS_CHANGEATTR)
/* return i_version to client as change attribute */
else
/* return ctime to client as change attribute */
--b.
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