Re: [PATCH -V11 1/9] exportfs: Return the minimum required handle size

From: Aneesh Kumar K. V
Date: Sat May 22 2010 - 04:32:45 EST

On Fri, 21 May 2010 18:15:16 -0400, "J. Bruce Fields" <bfields@xxxxxxxxxxxx> wrote:
> On Thu, May 20, 2010 at 01:05:30PM +0530, Aneesh Kumar K.V wrote:
> > The exportfs encode handle function should return the minimum required
> > handle size. This helps user to find out the handle size by passing 0
> > handle size in the first step and then redoing to the call again with
> > the returned handle size value.
> The encode_fh() interface is a little confusing. (Not your fault,
> really, mainly it's the return value (and the special use of 255) that I
> always find odd.)
> But maybe it would help to have a little more documention in the
> export_encode_fh() kerneldoc comment and/or in
> Documentation/filesystems/nfs/Exporting?

Will update in the next iteration.

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