From: Bart Van Assche <bvanassche@acm.org>
To: Keith Busch <keith.busch@intel.com>
Cc: linux-nvme@lists.infradead.org, linux-block@vger.kernel.org,
Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
Sagi Grimberg <sagi@grimberg.me>
Subject: Re: [PATCH 1/5] blk-mq: Export reading mq request state
Date: Fri, 08 Mar 2019 13:25:16 -0800 [thread overview]
Message-ID: <1552080316.138960.11.camel@acm.org> (raw)
In-Reply-To: <20190308211431.GA5438@localhost.localdomain>
On Fri, 2019-03-08 at 14:14 -0700, Keith Busch wrote:
> On Fri, Mar 08, 2019 at 12:47:10PM -0800, Bart Van Assche wrote:
> > If no such mechanism has been defined in the NVMe spec: have you considered
> > to cancel all outstanding requests instead of calling blk_mq_end_request() for
> > all outstanding requests?
>
> Isn't this cancelling requests? Is there an existing block interface
> that accomplishes this?
Hi Keith,
Sorry if I was unclear. With "canceling outstanding requests" I was referring to
the NVMe abort command. I think aborting outstanding requests has the advantage
that no new explicit call to blk_mq_end_request() call has to be added.
Bart.
next prev parent reply other threads:[~2019-03-08 21:25 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-08 17:40 [PATCH 1/5] blk-mq: Export reading mq request state Keith Busch
2019-03-08 17:40 ` [PATCH 2/5] blk-mq: Export iterating queue requests Keith Busch
2019-03-08 18:08 ` Bart Van Assche
2019-03-08 18:13 ` Keith Busch
2019-03-08 17:40 ` [PATCH 3/5] blk-mq: Iterate tagset over all requests Keith Busch
2019-03-08 17:40 ` [PATCH 4/5] nvme: Fail dead namespace's entered requests Keith Busch
2019-03-08 18:15 ` Bart Van Assche
2019-03-08 18:19 ` Keith Busch
2019-03-08 21:54 ` Bart Van Assche
2019-03-08 22:06 ` Keith Busch
2019-03-11 3:58 ` jianchao.wang
2019-03-11 15:42 ` Keith Busch
2019-03-08 17:40 ` [PATCH 5/5] nvme/pci: Remove queue IO flushing hack Keith Busch
2019-03-08 18:19 ` Bart Van Assche
2019-03-11 18:40 ` Christoph Hellwig
2019-03-11 19:37 ` Keith Busch
2019-03-27 8:31 ` Christoph Hellwig
2019-03-27 13:21 ` Keith Busch
2019-03-28 1:42 ` jianchao.wang
2019-03-28 3:33 ` Keith Busch
2019-03-08 18:07 ` [PATCH 1/5] blk-mq: Export reading mq request state Bart Van Assche
2019-03-08 18:15 ` Keith Busch
2019-03-08 18:42 ` Bart Van Assche
2019-03-08 19:19 ` Keith Busch
2019-03-08 20:47 ` Bart Van Assche
2019-03-08 21:14 ` Keith Busch
2019-03-08 21:25 ` Bart Van Assche [this message]
2019-03-08 21:31 ` Keith Busch
2019-03-08 20:21 ` Sagi Grimberg
2019-03-08 20:29 ` Keith Busch
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=1552080316.138960.11.camel@acm.org \
--to=bvanassche@acm.org \
--cc=axboe@kernel.dk \
--cc=hch@lst.de \
--cc=keith.busch@intel.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=sagi@grimberg.me \
/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).