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From: Christoph Hellwig <hch@lst.de>
To: Bart Van Assche <Bart.VanAssche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	Hannes Reinecke <hare@suse.com>
Subject: Re: [PATCH v2 4/5] scsi: Add scsi_restart_hctx()
Date: Wed, 5 Apr 2017 08:20:20 +0200	[thread overview]
Message-ID: <20170405062020.GA26389@lst.de> (raw)
In-Reply-To: <BY1PR0401MB15322BB999F894A46F40AE5E810B0@BY1PR0401MB1532.namprd04.prod.outlook.com>

On Tue, Apr 04, 2017 at 03:56:34PM +0000, Bart Van Assche wrote:
> > This looks like generic block layer code, why is it in SCSI?
> 
> Hello Christoph,
> 
> That's an excellent question. I assume that you are fine with moving
> this code to the block layer?

Yes.  In fact I wonder if we need the blk_mq_ops method at all now
that you're using RCU locking and don't need the scsi host_lock.

  reply	other threads:[~2017-04-05  6:20 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-03 23:22 [PATCH v2 0/5] Avoid that scsi-mq queue processing stalls Bart Van Assche
2017-04-03 23:22 ` [PATCH v2 1/5] blk-mq: Export blk_mq_sched_restart_hctx() Bart Van Assche
2017-04-04  6:40   ` Christoph Hellwig
2017-04-03 23:22 ` [PATCH v2 2/5] blk-mq: Make it safe to use RCU to iterate over blk_mq_tag_set.tag_list Bart Van Assche
2017-04-04  6:40   ` Christoph Hellwig
2017-04-04 15:55     ` Bart Van Assche
2017-04-03 23:22 ` [PATCH v2 3/5] blk-mq: Introduce blk_mq_ops.restart_hctx Bart Van Assche
2017-04-04  6:42   ` Christoph Hellwig
2017-04-05 20:41   ` Omar Sandoval
2017-04-05 20:51     ` Bart Van Assche
2017-04-05 20:54       ` Omar Sandoval
2017-04-03 23:22 ` [PATCH v2 4/5] scsi: Add scsi_restart_hctx() Bart Van Assche
2017-04-04  6:42   ` Christoph Hellwig
2017-04-04 15:56     ` Bart Van Assche
2017-04-05  6:20       ` Christoph Hellwig [this message]
2017-04-05 17:36         ` Bart Van Assche
2017-04-03 23:22 ` [PATCH v2 5/5] scsi: Ensure that scsi_run_queue() runs all hardware queues Bart Van Assche

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