linux-kernel - Re: [bug] ata subsystem related crash with latest -git

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Message-ID: <alpine.LFD.0.999.0710171321400.26902@woody.linux-foundation.org>
Date:	Wed, 17 Oct 2007 13:24:21 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Jens Axboe <jens.axboe@...cle.com>
cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Jeff Garzik <jgarzik@...ox.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [bug] ata subsystem related crash with latest -git



On Wed, 17 Oct 2007, Jens Axboe wrote:
> 
> So until that is fixed up, how about this? Should cover all block
> devices, and I don't think sg_next()/for_each_sg() has spread outside of
> that yet.

Heh. Not good. There are drivers that set max phys segmsnts to 1. Either 
through some host-specific setting (MMC), or explicitly (eg a grep shows 
viodasd uses just a constant 1 there).

		Linus
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