From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@fb.com>
Cc: axboe@kernel.dk, linux-kernel@vger.kernel.org,
linux-scsi@vger.kernel.org, hch@lst.de
Subject: Re: [PATCH 5/7] scsi: add host template init/exit_command hooks
Date: Sun, 5 Apr 2015 17:40:55 +0200 [thread overview]
Message-ID: <20150405154055.GC28173@lst.de> (raw)
In-Reply-To: <1428076703-31014-6-git-send-email-axboe@fb.com>
On Fri, Apr 03, 2015 at 09:58:21AM -0600, Jens Axboe wrote:
> If a LLD has hardware commands in the request pdu, then we need some
> helper hooks to help the driver initialize state at load time, and
> potentially to tear down state at rmmod time. Add a host template
> ->init_command() and ->exit_command() hook to help with that.
>
> Signed-off-by: Jens Axboe <axboe@fb.com>
Looks good in general, but please ensure these callsbacks also get invoked
in the !mq case.
next prev parent reply other threads:[~2015-04-05 15:40 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-03 15:58 [PATCH RFC] mpt2/mpt3sas lock reduction for scsi-mq Jens Axboe
2015-04-03 15:58 ` Jens Axboe
2015-04-03 15:58 ` [PATCH 1/7] blk-mq: allow the callback to blk_mq_tag_busy_iter() to stop looping Jens Axboe
2015-04-03 15:58 ` Jens Axboe
2015-04-03 15:58 ` [PATCH 2/7] blk-mq: add helper to iterate all busy tags on all hardware queues Jens Axboe
2015-04-03 15:58 ` Jens Axboe
2015-04-03 15:58 ` [PATCH 3/7] scsi: add scsi-mq helpers to retrieve pdu and check started state Jens Axboe
2015-04-03 15:58 ` Jens Axboe
2015-04-05 15:39 ` Christoph Hellwig
2015-04-03 15:58 ` [PATCH 4/7] scsi: add scsi-mq helper for iterating over busy commands Jens Axboe
2015-04-03 15:58 ` Jens Axboe
2015-04-05 15:40 ` Christoph Hellwig
2015-04-03 15:58 ` [PATCH 5/7] scsi: add host template init/exit_command hooks Jens Axboe
2015-04-03 15:58 ` Jens Axboe
2015-04-05 15:40 ` Christoph Hellwig [this message]
2015-04-03 15:58 ` [PATCH 6/7] mpt2sas: store scsi io tracker data in the scsi command / request Jens Axboe
2015-04-03 15:58 ` Jens Axboe
2015-04-05 16:03 ` Christoph Hellwig
2015-04-07 16:13 ` Jens Axboe
2015-04-07 16:18 ` Christoph Hellwig
2015-04-07 19:22 ` Jens Axboe
2015-04-03 15:58 ` [PATCH 7/7] mpt3sas: " Jens Axboe
2015-04-03 15:58 ` Jens Axboe
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