From: Ming Lei <ming.lei@redhat.com>
To: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
=Oleksandr Natalenko <oleksandr@natalenko.name>,
Hannes Reinecke <hare@suse.com>,
Johannes Thumshirn <jthumshirn@suse.de>
Subject: Re: [PATCH v4 2/7] block: Make q_usage_counter also track legacy requests
Date: Tue, 26 Sep 2017 16:34:26 +0800 [thread overview]
Message-ID: <20170926083424.GC518@ming.t460p> (raw)
In-Reply-To: <20170925202924.16603-3-bart.vanassche@wdc.com>
On Mon, Sep 25, 2017 at 01:29:19PM -0700, Bart Van Assche wrote:
> From: Ming Lei <ming.lei@redhat.com>
>
> This patch makes it possible to pause request allocation for
> the legacy block layer by calling blk_mq_freeze_queue() and
> blk_mq_unfreeze_queue().
>
> Signed-off-by: Ming Lei <ming.lei@redhat.com>
> [ bvanassche: Combined two patches into one, edited a comment and made sure
> REQ_NOWAIT is handled properly in blk_old_get_request() ]
> Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
> Cc: Ming Lei <ming.lei@redhat.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Hannes Reinecke <hare@suse.com>
> Cc: Johannes Thumshirn <jthumshirn@suse.de>
> ---
Thanks for considering block legacy path in this version!
--
Ming
next prev parent reply other threads:[~2017-09-26 8:34 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-25 20:29 [PATCH v4 0/7] Make suspend and resume safe for md-on-SCSI Bart Van Assche
2017-09-25 20:29 ` [PATCH v4 1/7] md: Make md resync and reshape threads freezable Bart Van Assche
2017-09-25 23:04 ` Ming Lei
2017-09-25 23:09 ` Bart Van Assche
2017-09-25 23:09 ` Bart Van Assche
2017-09-26 4:01 ` Ming Lei
2017-09-26 8:13 ` Ming Lei
2017-09-26 14:40 ` Bart Van Assche
2017-09-26 14:40 ` Bart Van Assche
2017-09-26 15:02 ` Ming Lei
2017-09-26 6:06 ` Hannes Reinecke
2017-09-26 11:17 ` Ming Lei
2017-09-26 14:42 ` Bart Van Assche
2017-09-26 14:42 ` Bart Van Assche
2017-09-26 14:59 ` Ming Lei
2017-09-27 3:12 ` Bart Van Assche
2017-09-27 3:12 ` Bart Van Assche
2017-09-27 11:00 ` Ming Lei
2017-10-02 15:39 ` Bart Van Assche
2017-10-02 15:39 ` Bart Van Assche
2017-10-02 13:26 ` Christoph Hellwig
2017-09-25 20:29 ` [PATCH v4 2/7] block: Make q_usage_counter also track legacy requests Bart Van Assche
2017-09-26 6:05 ` Hannes Reinecke
2017-09-26 8:34 ` Ming Lei [this message]
2017-10-02 13:29 ` Christoph Hellwig
2017-09-25 20:29 ` [PATCH v4 3/7] block: Convert RQF_PREEMPT into REQ_PREEMPT Bart Van Assche
2017-10-02 13:42 ` Christoph Hellwig
2017-10-02 13:43 ` Christoph Hellwig
2017-09-25 20:29 ` [PATCH v4 4/7] block: Add the QUEUE_FLAG_PREEMPT_ONLY request queue flag Bart Van Assche
2017-10-02 13:47 ` Christoph Hellwig
2017-10-02 15:56 ` Bart Van Assche
2017-10-02 16:14 ` hch
2017-09-25 20:29 ` [PATCH v4 5/7] scsi: Reduce suspend latency Bart Van Assche
2017-09-26 22:23 ` Ming Lei
2017-09-27 3:43 ` Bart Van Assche
2017-09-27 5:37 ` Ming Lei
2017-09-25 20:29 ` [PATCH v4 6/7] scsi: Set QUEUE_FLAG_PREEMPT_ONLY while quiesced Bart Van Assche
2017-10-02 13:53 ` Christoph Hellwig
2017-09-25 20:29 ` [PATCH v4 7/7] block: Make SCSI device suspend and resume work reliably Bart Van Assche
2017-09-25 22:59 ` Ming Lei
2017-09-25 23:13 ` Bart Van Assche
2017-09-26 8:32 ` Ming Lei
2017-09-26 14:44 ` Bart Van Assche
2017-09-26 9:15 ` [PATCH v4 0/7] Make suspend and resume safe for md-on-SCSI Ming Lei
2017-09-26 14:29 ` Bart Van Assche
2017-09-26 14:54 ` Ming Lei
2017-09-26 20:17 ` Bart Van Assche
2017-09-26 22:47 ` Ming Lei
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=20170926083424.GC518@ming.t460p \
--to=ming.lei@redhat.com \
--cc=axboe@kernel.dk \
--cc=bart.vanassche@wdc.com \
--cc=hare@suse.com \
--cc=hch@lst.de \
--cc=jthumshirn@suse.de \
--cc=linux-block@vger.kernel.org \
--cc=martin.petersen@oracle.com \
--cc=oleksandr@natalenko.name \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.