From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Jens Axboe <axboe@kernel.dk>,
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 09/10] block, scsi: Make SCSI quiesce and resume work reliably
Date: Tue, 17 Oct 2017 00:17:32 -0400 [thread overview]
Message-ID: <yq11sm2xvab.fsf@oracle.com> (raw)
In-Reply-To: <20171016232905.5047-10-bart.vanassche@wdc.com> (Bart Van Assche's message of "Mon, 16 Oct 2017 16:29:04 -0700")
Bart,
> The contexts from which a SCSI device can be quiesced or resumed are:
> * Writing into /sys/class/scsi_device/*/device/state.
> * SCSI parallel (SPI) domain validation.
> * The SCSI device power management methods. See also scsi_bus_pm_ops.
The SCSI bits look fine to me.
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2017-10-17 4:17 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
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 [this message]
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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