From: Hannes Reinecke <hare@suse.de>
To: Bart Van Assche <bart.vanassche@wdc.com>, Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
Christoph Hellwig <hch@lst.de>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Oleksandr Natalenko <oleksandr@natalenko.name>,
Ming Lei <ming.lei@redhat.com>, Hannes Reinecke <hare@suse.com>,
Johannes Thumshirn <jthumshirn@suse.de>
Subject: Re: [PATCH v9 08/10] block: Add the QUEUE_FLAG_PREEMPT_ONLY request queue flag
Date: Tue, 17 Oct 2017 08:27:51 +0200 [thread overview]
Message-ID: <df94cd55-2991-9417-5123-e5b19c977227@suse.de> (raw)
In-Reply-To: <20171016232905.5047-9-bart.vanassche@wdc.com>
On 10/17/2017 01:29 AM, Bart Van Assche wrote:
> This flag will be used in the next patch to let the block layer
> core know whether or not a SCSI request queue has been quiesced.
> A quiesced SCSI queue namely only processes RQF_PREEMPT requests.
>
> Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
> Tested-by: Martin Steigerwald <martin@lichtvoll.de>
> 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>
> ---
> block/blk-core.c | 30 ++++++++++++++++++++++++++++++
> block/blk-mq-debugfs.c | 1 +
> include/linux/blkdev.h | 6 ++++++
> 3 files changed, 37 insertions(+)
>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@suse.de +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
next prev parent reply other threads:[~2017-10-17 6:27 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-16 23:28 [PATCH v9 00/10] block, scsi, md: Improve suspend and resume Bart Van Assche
2017-10-16 23:28 ` [PATCH v9 01/10] md: Rename md_notifier into md_reboot_notifier Bart Van Assche
2017-10-17 6:23 ` Hannes Reinecke
2017-10-16 23:28 ` [PATCH v9 02/10] md: Introduce md_stop_all_writes() Bart Van Assche
2017-10-17 6:23 ` Hannes Reinecke
2017-10-16 23:28 ` [PATCH v9 03/10] md: Neither resync nor reshape while the system is frozen Bart Van Assche
2017-10-17 6:24 ` Hannes Reinecke
2017-10-16 23:28 ` [PATCH v9 04/10] block: Make q_usage_counter also track legacy requests Bart Van Assche
2017-10-17 6:25 ` Hannes Reinecke
2017-10-16 23:29 ` [PATCH v9 05/10] block: Introduce blk_get_request_flags() Bart Van Assche
2017-10-17 6:26 ` Hannes Reinecke
2017-10-16 23:29 ` [PATCH v9 06/10] block: Introduce BLK_MQ_REQ_PREEMPT Bart Van Assche
2017-10-17 6:26 ` Hannes Reinecke
2017-10-16 23:29 ` [PATCH v9 07/10] ide, scsi: Tell the block layer at request allocation time about preempt requests Bart Van Assche
2017-10-17 4:12 ` Martin K. Petersen
2017-10-17 6:27 ` Hannes Reinecke
2017-10-16 23:29 ` [PATCH v9 08/10] block: Add the QUEUE_FLAG_PREEMPT_ONLY request queue flag Bart Van Assche
2017-10-17 6:27 ` Hannes Reinecke [this message]
2017-10-16 23:29 ` [PATCH v9 09/10] block, scsi: Make SCSI quiesce and resume work reliably Bart Van Assche
2017-10-17 0:43 ` Ming Lei
2017-10-17 20:08 ` Bart Van Assche
2017-10-17 4:17 ` Martin K. Petersen
2017-10-17 6:33 ` Hannes Reinecke
2017-10-17 10:43 ` Ming Lei
2017-10-17 20:18 ` Bart Van Assche
2017-10-18 5:58 ` Hannes Reinecke
2017-10-16 23:29 ` [PATCH v9 10/10] block, nvme: Introduce blk_mq_req_flags_t Bart Van Assche
2017-10-17 6:34 ` Hannes Reinecke
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