From: hare@suse.de (Hannes Reinecke)
Subject: [PATCH v2 4/7] blk-mq: Introduce blk_quiesce_queue() and blk_resume_queue()
Date: Thu, 29 Sep 2016 07:52:01 +0200 [thread overview]
Message-ID: <6bc9d7e6-3db0-6bc5-b7cf-668278367303@suse.de> (raw)
In-Reply-To: <a9eb4e95-6d77-e527-c42a-fd2e6f104bed@sandisk.com>
On 09/29/2016 01:59 AM, Bart Van Assche wrote:
> blk_quiesce_queue() prevents that new queue_rq() invocations
> occur and waits until ongoing invocations have finished. This
> function does *not* wait until all outstanding requests have
> finished (this means invocation of request.end_io()).
> blk_resume_queue() resumes normal I/O processing.
>
> Signed-off-by: Bart Van Assche <bart.vanassche at sandisk.com>
> Cc: Hannes Reinecke <hare at suse.com>
> Cc: Johannes Thumshirn <jthumshirn at suse.de>
> ---
> block/blk-mq.c | 137 ++++++++++++++++++++++++++++++++++++++++++++-----
> include/linux/blk-mq.h | 2 +
> include/linux/blkdev.h | 5 ++
> 3 files changed, 131 insertions(+), 13 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare at suse.com>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare at suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N?rnberg
GF: J. Hawn, J. Guild, F. Imend?rffer, HRB 16746 (AG N?rnberg)
next prev parent reply other threads:[~2016-09-29 5:52 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-28 23:57 [PATCH v2 0/7] Introduce blk_quiesce_queue() and blk_resume_queue() Bart Van Assche
2016-09-28 23:57 ` [PATCH v2 1/7] blk-mq: Introduce blk_mq_queue_stopped() Bart Van Assche
2016-10-05 17:50 ` Sagi Grimberg
2016-10-11 16:40 ` Christoph Hellwig
2016-09-28 23:59 ` [PATCH v2 4/7] blk-mq: Introduce blk_quiesce_queue() and blk_resume_queue() Bart Van Assche
2016-09-29 5:52 ` Hannes Reinecke [this message]
2016-09-29 21:51 ` Ming Lei
2016-09-30 15:55 ` Bart Van Assche
2016-10-01 22:56 ` Ming Lei
2016-10-05 4:16 ` Bart Van Assche
2016-10-05 4:32 ` Ming Lei
2016-10-05 14:46 ` Bart Van Assche
2016-10-05 16:11 ` Ming Lei
2016-10-05 18:14 ` Sagi Grimberg
2016-10-05 19:05 ` Bart Van Assche
2016-10-05 19:10 ` Sagi Grimberg
2016-10-05 21:08 ` Bart Van Assche
2016-10-05 22:49 ` Ming Lei
2016-10-05 23:00 ` Bart Van Assche
2016-09-29 0:00 ` [PATCH v2 5/7] dm: Fix a race condition related to stopping and starting queues Bart Van Assche
2016-09-29 0:01 ` [PATCH v2 6/7] SRP transport: Port srp_wait_for_queuecommand() to scsi-mq Bart Van Assche
2016-09-29 5:54 ` Hannes Reinecke
2016-10-05 17:38 ` Sagi Grimberg
2016-10-05 21:51 ` Bart Van Assche
2016-10-11 16:44 ` Christoph Hellwig
2016-09-29 0:01 ` [PATCH v2 7/7] [RFC] nvme: Fix a race condition Bart Van Assche
2016-10-05 17:40 ` Sagi Grimberg
2016-10-11 16:46 ` Christoph Hellwig
2016-10-12 0:41 ` Bart Van Assche
2016-09-29 0:02 ` [PATCH v2 2/7] dm: Use BLK_MQ_S_STOPPED instead of QUEUE_FLAG_STOPPED in blk-mq code Bart Van Assche
2016-09-29 0:02 ` [PATCH v2 3/7] [RFC] nvme: " Bart Van Assche
2016-10-05 17:43 ` Sagi Grimberg
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