linux-kernel - Re: [PATCH 1/2] cciss: Fix scsi tape io with more than 255 scatter gather elements

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Date:	Thu, 22 Mar 2012 21:33:58 +0100
From:	Jens Axboe <axboe@...nel.dk>
To:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
CC:	stephenmcameron@...il.com, akpm@...ux-foundation.org,
	mikem@...rdog.cce.hp.com, linux-kernel@...r.kernel.org,
	thenzl@...hat.com
Subject: Re: [PATCH 1/2] cciss: Fix scsi tape io with more than 255 scatter
 gather elements

On 2012-03-22 19:08, Stephen M. Cameron wrote:
> From: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
> 
> The total number of scatter gather elements in the CISS command
> used by the scsi tape code was being cast to a u8, which can hold
> at most 255 scatter gather elements.  It should have been cast to
> a u16.  Without this patch the command gets rejected by the controller
> since the total scatter gather count did not add up to the right
> value resulting in an i/o error.

Thanks Stephen, applied both patches.

-- 
Jens Axboe

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