From: Ming Lei <ming.lei@redhat.com>
To: Uday Shankar <ushankar@purestorage.com>
Cc: Jens Axboe <axboe@kernel.dk>,
Caleb Sander Mateos <csander@purestorage.com>,
Andrew Morton <akpm@linux-foundation.org>,
Shuah Khan <shuah@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v6 3/8] selftests: ublk: kublk: plumb q_id in io_uring user_data
Date: Fri, 9 May 2025 15:28:17 +0800 [thread overview]
Message-ID: <aB2ukYlUMqPNuKfO@fedora> (raw)
In-Reply-To: <20250507-ublk_task_per_io-v6-3-a2a298783c01@purestorage.com>
On Wed, May 07, 2025 at 03:49:37PM -0600, Uday Shankar wrote:
> Currently, when we process CQEs, we know which ublk_queue we are working
> on because we know which ring we are working on, and ublk_queues and
> rings are in 1:1 correspondence. However, as we decouple ublk_queues
> from ublk server threads, ublk_queues and rings will no longer be in 1:1
> correspondence - each ublk server thread will have a ring, and each
> thread may issue commands against more than one ublk_queue. So in order
> to know which ublk_queue a CQE refers to, plumb that information in the
> associated SQE's user_data.
>
> Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Looks fine,
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Thanks,
Ming
next prev parent reply other threads:[~2025-05-09 7:28 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-07 21:49 [PATCH v6 0/8] ublk: decouple server threads from hctxs Uday Shankar
2025-05-07 21:49 ` [PATCH v6 1/8] ublk: have a per-io daemon instead of a per-queue daemon Uday Shankar
2025-05-09 3:29 ` Ming Lei
2025-05-10 23:54 ` Caleb Sander Mateos
2025-05-11 0:17 ` Caleb Sander Mateos
2025-05-07 21:49 ` [PATCH v6 2/8] sbitmap: fix off-by-one when wrapping hint Uday Shankar
2025-05-09 3:51 ` Ming Lei
2025-05-11 0:35 ` Caleb Sander Mateos
2025-05-07 21:49 ` [PATCH v6 3/8] selftests: ublk: kublk: plumb q_id in io_uring user_data Uday Shankar
2025-05-09 7:28 ` Ming Lei [this message]
2025-05-07 21:49 ` [PATCH v6 4/8] selftests: ublk: kublk: tie sqe allocation to io instead of queue Uday Shankar
2025-05-09 7:40 ` Ming Lei
2025-05-07 21:49 ` [PATCH v6 5/8] selftests: ublk: kublk: lift queue initialization out of thread Uday Shankar
2025-05-09 7:44 ` Ming Lei
2025-05-07 21:49 ` [PATCH v6 6/8] selftests: ublk: kublk: move per-thread data out of ublk_queue Uday Shankar
2025-05-09 8:14 ` Ming Lei
2025-05-07 21:49 ` [PATCH v6 7/8] selftests: ublk: kublk: decouple ublk_queues from ublk server threads Uday Shankar
2025-05-09 8:31 ` Ming Lei
2025-05-09 8:46 ` Ming Lei
2025-05-07 21:49 ` [PATCH v6 8/8] Documentation: ublk: document UBLK_F_RR_TAGS Uday Shankar
2025-05-07 23:08 ` Randy Dunlap
2025-05-08 2:08 ` Bagas Sanjaya
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=aB2ukYlUMqPNuKfO@fedora \
--to=ming.lei@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=axboe@kernel.dk \
--cc=corbet@lwn.net \
--cc=csander@purestorage.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=shuah@kernel.org \
--cc=ushankar@purestorage.com \
/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).