From: James Bottomley <James.Bottomley@SteelEye.com>
To: Jens Axboe <axboe@suse.de>
Cc: 'Dave Olien' <dmo@osdl.org>,
SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] fix for Incorrect number of segments after building list problem
Date: 20 Oct 2004 11:07:36 -0500 [thread overview]
Message-ID: <1098288465.2008.13.camel@mulgrave> (raw)
In-Reply-To: <20041020155825.GP10531@suse.de>
On Wed, 2004-10-20 at 10:58, Jens Axboe wrote:
> Ah yes, now I remember. How is the fix for that coming along, btw?
Erm, it didn't cross my mind until I realised what this problem was
about. All SCSI drivers are setting 65536 (the default) for the max
segment length. However, this is being violated wholesale by all the
IOMMUs and it all works because their length descriptors are 32 bit
anyway ...
However, I'll add it to the list and see if I can get something out. My
slight problem is testing. Only SATA and IDE have this short descriptor
problem, so I've nothing really to test the actual fix with.
James
next prev parent reply other threads:[~2004-10-20 16:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-14 21:51 [PATCH] fix for Incorrect number of segments after building list problem James Bottomley
2004-10-14 21:55 ` 'Dave Olien'
2004-10-14 22:15 ` 'Dave Olien'
2004-10-14 22:51 ` 'Dave Olien'
2004-10-20 14:39 ` Jens Axboe
2004-10-20 15:07 ` Jens Axboe
2004-10-20 15:50 ` James Bottomley
2004-10-20 15:58 ` Jens Axboe
2004-10-20 16:07 ` James Bottomley [this message]
2004-10-20 16:11 ` Jens Axboe
2004-10-20 17:45 ` Jeff Garzik
2004-10-20 17:47 ` Jens Axboe
2004-10-20 18:11 ` Jeff Garzik
2004-10-21 12:49 ` James Bottomley
2004-10-21 13:02 ` Jens Axboe
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