linux-kernel - Re: [PATCH 1/1] cciss: fix error reporting for SG

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Message-Id: <20070824171047.77cf7adc.akpm@linux-foundation.org>
Date:	Fri, 24 Aug 2007 17:10:47 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Mike Miller (OS Dev)" <mikem@...rdog.cca.cpqcorp.net>
Cc:	jens.axboe@...cle.com, linux-kernel@...r.kernel.org,
	linux-scsi@...r.linux.org, hch@...radead.org,
	james.bottomley@...eleye.com
Subject: Re: [PATCH 1/1] cciss: fix error reporting for SG_IO

On Fri, 24 Aug 2007 12:53:54 -0500
"Mike Miller (OS Dev)" <mikem@...rdog.cca.cpqcorp.net> wrote:

> This fixes a problem with the way cciss was filling out the "errors"
> field of the request structure upon completion of requests. 
> Previously, it just put a 1 or a 0 in there and used the negation
> of this as the uptodate parameter to one of the functions in the
> block layer, being a block device.  For the SG_IO ioctl, this was not
> sufficient, and we noticed that, for example, sg_turs from sg3_utils 
> did not correctly detect problems due to cciss having set rq->errors 
> incorrectly.

Do we think this problem is sufficiently serious to merit merging
this (largeish) patch into 2.6.23?

I'm thinking "no", but that might be wrong...
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