From: bfields@fieldses.org (J. Bruce Fields)
To: NeilBrown <neilb@suse.de>
Cc: Trond Myklebust <trondmy@hammerspace.com>,
"anna.schumaker@netapp.com" <anna.schumaker@netapp.com>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH/RFC] NFS: handle NFSv4.1 server that doesn't support NFS4_OPEN_CLAIM_DELEG_CUR_FH
Date: Tue, 7 Jan 2020 11:15:36 -0500 [thread overview]
Message-ID: <20200107161536.GA944@fieldses.org> (raw)
In-Reply-To: <87lfr7fu9v.fsf@notabene.neil.brown.name>
On Fri, Dec 20, 2019 at 04:19:56PM +1100, NeilBrown wrote:
> I was a bit surprised that nfs4_map_atomic_open_claim() exists at all,
> but given that it did, I assumed it would be used more uniformly.
>
> So this all implies that Linux NFS server claimed to support NFSv4.1
> before it actually did - which seems odd. This is just a bug (which are
> expected), but a clear ommission.
For what it's worth, I did make some attempt to keep 4.1 by default
until 3.11 (see d109148111cd "nfsd4: support minorversion 1 by default")
but probably could have communicated that better. This isn't the only
blatant known issue in older code.
--b.
next prev parent reply other threads:[~2020-01-07 16:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-18 22:47 [PATCH/RFC] NFS: handle NFSv4.1 server that doesn't support NFS4_OPEN_CLAIM_DELEG_CUR_FH NeilBrown
2019-12-18 23:47 ` Trond Myklebust
2019-12-19 2:56 ` NeilBrown
2019-12-19 5:12 ` Trond Myklebust
2019-12-19 5:39 ` NeilBrown
2019-12-19 13:24 ` Trond Myklebust
2019-12-20 5:19 ` NeilBrown
2020-01-07 16:15 ` J. Bruce Fields [this message]
2020-01-07 16:53 ` J. Bruce Fields
2020-01-07 23:16 ` NeilBrown
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