Re: NFSv4.1 session reset needs to update ->rsize and ->wsize - how???

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On Wed, Sep 5, 2018 at 11:12 AM Trond Myklebust <trondmy@xxxxxxxxxxxxxxx> wrote:
>
> On Wed, 2018-09-05 at 09:44 -0400, Olga Kornievskaia wrote:
> > commit 033853325fe3bdc70819a8b97915bd3bca41d3af
> > Author: Olga Kornievskaia <kolga@xxxxxxxxxx>
> > Date:   Wed Mar 8 14:39:15 2017 -0500
> >
> >     NFSv4.1 respect server's max size in CREATE_SESSION
> >
> >     Currently client doesn't respect max sizes server returns in
> > CREATE_SESSION.
> >     nfs4_session_set_rwsize() gets called and server->rsize, server-
> > >wsize are 0
> >     so they never get set to the sizes returned by the server.
> >
> >     Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
> >     Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
> >
>
> Olga, I'm confused by that patch. It appears to assume that we should
> be using the CREATE_SESSION, request/response limits as default values
> instead of as limits?
>
> AFAICS, the real problem there is that nfs4_server_common_setup() is
> calling nfs4_session_set_rwsize() before we actually set the r/wsize in
> the call to nfs_probe_fsinfo(). No?

I didn't know that nfs_probe_fsinfo() set the server->r/wsize. I
thought it was only set in nfs4_session_set_rwsize() to the values
from the session attributes.



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