From: Christoph Hellwig <hch@infradead.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>
Subject: Re: Fwd: [RFC 2/2] io_uring: mark REQ_NOWAIT for a non-mq queue as unspported
Date: Wed, 20 May 2020 10:50:25 -0700 [thread overview]
Message-ID: <20200520175025.GA13855@infradead.org> (raw)
In-Reply-To: <3503f837-0958-0a55-ab7b-d4f1c7131179@kernel.dk>
On Tue, May 19, 2020 at 04:16:45PM -0600, Jens Axboe wrote:
>
>
>
> -------- Forwarded Message --------
> Subject: [RFC 2/2] io_uring: mark REQ_NOWAIT for a non-mq queue as unspported
> Date: Tue, 19 May 2020 14:52:50 -0700
> From: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
> To: axboe@kernel.dk
> CC: io-uring@vger.kernel.org
>
> Mark a REQ_NOWAIT request for a non-mq queue as unspported instead of
> retryable since otherwise the io_uring layer will keep resubmitting
> the request.
Someone needs to audit if this translates into the right errors message
for the syscalls, as they eventually need to return -EAGAIN
to userspace.
prev parent reply other threads:[~2020-05-20 17:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1589925170-48687-3-git-send-email-bijan.mottahedeh@oracle.com>
2020-05-19 22:16 ` Fwd: [RFC 2/2] io_uring: mark REQ_NOWAIT for a non-mq queue as unspported Jens Axboe
2020-05-20 17:50 ` Christoph Hellwig [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200520175025.GA13855@infradead.org \
--to=hch@infradead.org \
--cc=axboe@kernel.dk \
--cc=linux-block@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).