From: Christoph Hellwig <hch@infradead.org>
To: Mike Christie <michaelc@cs.wisc.edu>
Cc: Jens Axboe <axboe@kernel.dk>,
James Bottomley <JBottomley@Parallels.com>,
Nicholas Bellinger <nab@linux-iscsi.org>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH 06/17] scsi: add support for per-host cmd pools
Date: Mon, 10 Feb 2014 04:20:21 -0800 [thread overview]
Message-ID: <20140210122021.GA1224@infradead.org> (raw)
In-Reply-To: <52F5539B.8090202@cs.wisc.edu>
On Fri, Feb 07, 2014 at 03:43:55PM -0600, Mike Christie wrote:
> We need something like the attached patch which just prevents scsi-ml
> from creating a host pool when mq is used. Note that when
> scsi_destroy_command_freelist is called shost->cmd_pool will be NULL so
> it will return immediately so no extra check is needed in there.
Oops, missed your attached patch and pushed a similar of mine instead,
but the effect should be the same.
Btw, if you can split out the cmd_size bits of the iscsi patch so that
we can send it to James with the command part of the first series I'd
appreciate that.
next prev parent reply other threads:[~2014-02-10 12:20 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-05 12:39 [PATCH 00/17] SCSI data path micro-optimizations Christoph Hellwig
2014-02-05 12:39 ` [PATCH 01/17] scsi: handle command allocation failure in scsi_reset_provider Christoph Hellwig
2014-02-05 12:39 ` [PATCH 02/17] megaraid: simplify internal command handling Christoph Hellwig
2014-02-06 16:40 ` Christoph Hellwig
2014-02-05 12:39 ` [PATCH 03/17] scsi: remove scsi_allocate_command/scsi_free_command Christoph Hellwig
2014-02-05 12:39 ` [PATCH 04/17] scsi: avoid useless free_list lock roundtrips Christoph Hellwig
2014-02-05 23:44 ` James Bottomley
2014-02-06 16:22 ` Christoph Hellwig
2014-02-07 9:05 ` Paolo Bonzini
2014-02-05 12:39 ` [PATCH 05/17] scsi: simplify command allocation and freeing a bit Christoph Hellwig
2014-02-05 23:51 ` James Bottomley
2014-02-06 16:21 ` Christoph Hellwig
2014-02-05 12:39 ` [PATCH 06/17] scsi: add support for per-host cmd pools Christoph Hellwig
2014-02-07 9:13 ` Paolo Bonzini
2014-02-07 12:44 ` Christoph Hellwig
2014-02-07 9:35 ` Mike Christie
2014-02-07 12:46 ` Christoph Hellwig
2014-02-07 21:43 ` Mike Christie
2014-02-10 12:20 ` Christoph Hellwig [this message]
2014-02-05 12:39 ` [PATCH 07/17] virtio_scsi: use cmd_size Christoph Hellwig
2014-02-07 9:13 ` Paolo Bonzini
2014-02-05 12:39 ` [PATCH 08/17] scsi: do not manipulate device reference counts in scsi_get/put_command Christoph Hellwig
2014-02-05 12:39 ` [PATCH 09/17] scsi: micro-optimize scsi_request_fn() Christoph Hellwig
2014-02-05 12:39 ` [PATCH 10/17] scsi: micro-optimize scsi_next_command() Christoph Hellwig
2014-02-05 12:39 ` [PATCH 11/17] scsi: micro-optimize scsi_requeue_command() Christoph Hellwig
2014-02-05 12:39 ` [PATCH 12/17] scsi: avoid taking host_lock in scsi_run_queue unless nessecary Christoph Hellwig
2014-02-05 23:54 ` James Bottomley
2014-02-06 16:19 ` Christoph Hellwig
2014-02-05 12:39 ` [PATCH 13/17] scsi: push host_lock down into scsi_{host,target}_queue_ready Christoph Hellwig
2014-02-06 16:56 ` James Bottomley
2014-02-06 17:10 ` Bart Van Assche
2014-02-06 18:41 ` James Bottomley
2014-02-07 10:42 ` Bart Van Assche
2014-02-06 21:58 ` Nicholas A. Bellinger
2014-02-07 10:32 ` Bart Van Assche
2014-02-07 19:30 ` Nicholas A. Bellinger
2014-02-08 11:00 ` Bart Van Assche
2014-02-09 8:26 ` Nicholas A. Bellinger
2014-02-10 12:09 ` Christoph Hellwig
2014-02-10 19:53 ` Nicholas A. Bellinger
2014-02-10 11:39 ` Christoph Hellwig
2014-02-10 20:09 ` Jens Axboe
2014-02-17 9:36 ` Bart Van Assche
2014-02-17 22:00 ` Christoph Hellwig
2014-02-26 15:39 ` Bart Van Assche
2014-02-10 21:10 ` James Bottomley
2014-02-05 12:39 ` [PATCH 14/17] scsi: convert target_busy to an atomic_t Christoph Hellwig
2014-02-05 12:39 ` [PATCH 15/17] scsi: convert host_busy to atomic_t Christoph Hellwig
2014-02-05 12:39 ` [PATCH 16/17] scsi: convert device_busy " Christoph Hellwig
2014-02-05 12:39 ` [PATCH 17/17] scsi: fix the {host,target,device}_blocked counter mess Christoph Hellwig
2014-02-05 23:41 ` [PATCH 00/17] SCSI data path micro-optimizations James Bottomley
2014-02-06 16:29 ` Christoph Hellwig
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