linux-kernel - Re: [PATCH][SCSI] scsi-mq: fix requests that use a separate CDB buffer

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Message-ID: <53FB4283.4020704@cybernetics.com>
Date:	Mon, 25 Aug 2014 10:04:51 -0400
From:	Tony Battersby <tonyb@...ernetics.com>
To:	dgilbert@...erlog.com, linux-scsi@...r.kernel.org,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	Jens Axboe <axboe@...nel.dk>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH][SCSI] scsi-mq: fix requests that use a separate CDB buffer

On 08/23/2014 03:09 PM, Douglas Gilbert wrote:
>> For inclusion in 3.17 only.
> May want to check if blk-mq work in lk 3.16 and earlier
> breaks the bsg driver's capability to send SCSI cdbs
> that are longer than 16 bytes.
>
>

I think 3.16 and earlier are OK.  The problem was caused by
scsi_mq_prep_fn(), which is new in 3.17.

Thanks for testing.

Tony
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