Re: Does NFS4 need st_gen?

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On Wed, Oct 19, 2011 at 03:11:27PM -0400, Nikolaus Rath wrote:
> "J. Bruce Fields" <bfields@xxxxxxxxxxxx> writes:
> > On Wed, Oct 19, 2011 at 10:17:43AM -0400, Nikolaus Rath wrote:
> >> Does NFS4 still depend on inode generation numbers? I understand that
> >> earlier NFS versions used file handles based on inode and generation
> >> number, but it seems to me that this shouldn't be required anymore with
> >> the (stateful) NFS4.
> >
> > Yes, it's true that NFSv4 has open and close operations, but filehandles
> > are still used a great deal outside of that, and clients are still
> > allowed to assume that the same filehandle always refers to the same
> > object.
> >
> > http://www.ietf.org/rfc/rfc3530.txt, section 4.2.1:
> >
> > 	"If two filehandles from the same server are equal, they MUST
> > 	refer to the same file."
> 
> Duh - that's a disappointment. Thanks for the pointer!

Just curious--why do you care?

--b.
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