From: Trond Myklebust <trondmy@hammerspace.com>
To: "tigran.mkrtchyan@desy.de" <tigran.mkrtchyan@desy.de>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Cc: "anna.schumaker@netapp.com" <anna.schumaker@netapp.com>
Subject: Re: [PATCH] nfs41: update ff_layout_io_track_ds_error to accept rpc task
Date: Thu, 10 Dec 2020 14:42:38 +0000 [thread overview]
Message-ID: <e7c1fb7d7b658782a73616670f4c072db029ac53.camel@hammerspace.com> (raw)
In-Reply-To: <20201210105543.22489-1-tigran.mkrtchyan@desy.de>
Hi Tigran,
On Thu, 2020-12-10 at 10:55 +0000, Tigran Mkrtchyan wrote:
> When debugging READ_PLUS issues sent to DS I noticed that layoutstats
> was reporting READ, though READ_PLUS was used.
>
> The ff_layout_io_track_ds_error function takes the 'major' opnum as
> an
> argumentas well as the corresponding resulting error code.
>
> By passing rpc task as an argument, the bogh values can be extracted
> insideff_layout_io_track_ds_error and reduce a possibility of calling
> with incorrect opnum.
I think we just want to disable READ_PLUS support in pNFS for the
moment. We have no way of discovering and tracking whether or not the
DS actually supports it, so let's leave it out for now.
--
Trond Myklebust
Linux NFS client maintainer, Hammerspace
trond.myklebust@hammerspace.com
next prev parent reply other threads:[~2020-12-10 14:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-10 10:55 [PATCH] nfs41: update ff_layout_io_track_ds_error to accept rpc task Tigran Mkrtchyan
2020-12-10 14:42 ` Trond Myklebust [this message]
2020-12-10 14:54 ` Mkrtchyan, Tigran
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