From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "ming.lei@redhat.com" <ming.lei@redhat.com>
Cc: "hch@infradead.org" <hch@infradead.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"axboe@fb.com" <axboe@fb.com>,
"loberman@redhat.com" <loberman@redhat.com>
Subject: Re: [PATCH V2 03/20] blk-mq: introduce blk_mq_dispatch_rq_from_ctx()
Date: Fri, 25 Aug 2017 21:41:08 +0000 [thread overview]
Message-ID: <1503697267.2680.36.camel@wdc.com> (raw)
In-Reply-To: <20170824045226.GC12966@ming.t460p>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next prev parent reply other threads:[~2017-08-25 21:41 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-05 6:56 [PATCH V2 00/20] blk-mq-sched: improve SCSI-MQ performance Ming Lei
2017-08-05 6:56 ` [PATCH V2 01/20] blk-mq-sched: fix scheduler bad performance Ming Lei
2017-08-09 0:11 ` Omar Sandoval
2017-08-09 2:32 ` Ming Lei
2017-08-09 7:11 ` Omar Sandoval
2017-08-21 8:18 ` Ming Lei
2017-08-23 7:48 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 02/20] sbitmap: introduce __sbitmap_for_each_set() Ming Lei
2017-08-22 18:28 ` Bart Van Assche
2017-08-24 3:57 ` Ming Lei
2017-08-25 21:36 ` Bart Van Assche
2017-08-26 8:43 ` Ming Lei
2017-08-22 18:37 ` Bart Van Assche
2017-08-24 4:02 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 03/20] blk-mq: introduce blk_mq_dispatch_rq_from_ctx() Ming Lei
2017-08-22 18:45 ` Bart Van Assche
2017-08-24 4:52 ` Ming Lei
2017-08-25 21:41 ` Bart Van Assche [this message]
2017-08-26 8:47 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 04/20] blk-mq-sched: move actual dispatching into one helper Ming Lei
2017-08-22 19:50 ` Bart Van Assche
2017-08-05 6:56 ` [PATCH V2 05/20] blk-mq-sched: improve dispatching from sw queue Ming Lei
2017-08-22 19:55 ` Bart Van Assche
2017-08-23 19:58 ` Jens Axboe
2017-08-24 5:52 ` Ming Lei
2017-08-22 20:57 ` Bart Van Assche
2017-08-24 6:12 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 06/20] blk-mq-sched: don't dequeue request until all in ->dispatch are flushed Ming Lei
2017-08-22 20:09 ` Bart Van Assche
2017-08-24 6:18 ` Ming Lei
2017-08-23 19:56 ` Jens Axboe
2017-08-24 6:38 ` Ming Lei
2017-08-25 10:19 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 07/20] blk-mq-sched: introduce blk_mq_sched_queue_depth() Ming Lei
2017-08-22 20:10 ` Bart Van Assche
2017-08-05 6:56 ` [PATCH V2 08/20] blk-mq-sched: use q->queue_depth as hint for q->nr_requests Ming Lei
2017-08-22 20:20 ` Bart Van Assche
2017-08-24 6:39 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 09/20] blk-mq: introduce BLK_MQ_F_SHARED_DEPTH Ming Lei
2017-08-22 21:55 ` Bart Van Assche
2017-08-23 6:46 ` Hannes Reinecke
2017-08-24 6:52 ` Ming Lei
2017-08-25 22:23 ` Bart Van Assche
2017-08-26 8:53 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 10/20] blk-mq-sched: introduce helpers for query, change busy state Ming Lei
2017-08-22 20:41 ` Bart Van Assche
2017-08-23 20:02 ` Jens Axboe
2017-08-24 6:55 ` Ming Lei
2017-08-24 6:54 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 11/20] blk-mq: introduce helpers for operating ->dispatch list Ming Lei
2017-08-22 20:43 ` Bart Van Assche
2017-08-24 0:59 ` Damien Le Moal
2017-08-24 7:10 ` Ming Lei
2017-08-24 7:42 ` Damien Le Moal
2017-08-24 6:57 ` Ming Lei
2017-08-05 6:56 ` [PATCH V2 12/20] blk-mq: introduce pointers to dispatch lock & list Ming Lei
2017-08-05 6:56 ` [PATCH V2 13/20] blk-mq: pass 'request_queue *' to several helpers of operating BUSY Ming Lei
2017-08-05 6:56 ` [PATCH V2 14/20] blk-mq-sched: improve IO scheduling on SCSI devcie Ming Lei
2017-08-22 20:51 ` Bart Van Assche
2017-08-24 7:14 ` Ming Lei
2017-08-05 6:57 ` [PATCH V2 15/20] block: introduce rqhash helpers Ming Lei
2017-08-05 6:57 ` [PATCH V2 16/20] block: move actual bio merge code into __elv_merge Ming Lei
2017-08-05 6:57 ` [PATCH V2 17/20] block: add check on elevator for supporting bio merge via hashtable from blk-mq sw queue Ming Lei
2017-08-05 6:57 ` [PATCH V2 18/20] block: introduce .last_merge and .hash to blk_mq_ctx Ming Lei
2017-08-05 6:57 ` [PATCH V2 19/20] blk-mq-sched: refactor blk_mq_sched_try_merge() Ming Lei
2017-08-05 6:57 ` [PATCH V2 20/20] blk-mq: improve bio merge from blk-mq sw queue Ming Lei
2017-08-07 12:48 ` [PATCH V2 00/20] blk-mq-sched: improve SCSI-MQ performance Laurence Oberman
2017-08-07 15:27 ` Bart Van Assche
2017-08-07 17:29 ` Laurence Oberman
2017-08-07 18:46 ` Laurence Oberman
2017-08-07 19:46 ` Laurence Oberman
2017-08-07 23:04 ` Ming Lei
[not found] ` <CAFfF4qv3W6D-j8BSSZbwPLqhd_mmwk8CZQe7dSqud8cMMd2yPg@mail.gmail.com>
2017-08-07 22:29 ` Bart Van Assche
2017-08-07 23:17 ` Ming Lei
2017-08-08 13:41 ` Ming Lei
2017-08-08 13:58 ` Laurence Oberman
2017-08-08 8:09 ` Paolo Valente
2017-08-08 9:09 ` Ming Lei
2017-08-08 9:13 ` Paolo Valente
2017-08-11 8:11 ` Christoph Hellwig
2017-08-11 14:25 ` James Bottomley
2017-08-23 16:12 ` Bart Van Assche
2017-08-23 16:15 ` Jens Axboe
2017-08-23 16:24 ` 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=1503697267.2680.36.camel@wdc.com \
--to=bart.vanassche@wdc.com \
--cc=axboe@fb.com \
--cc=hch@infradead.org \
--cc=linux-block@vger.kernel.org \
--cc=loberman@redhat.com \
--cc=ming.lei@redhat.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 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.