linux-kernel - Re: [git patches] xfs and block fixes for virtually indexed arches

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Message-ID: <alpine.LFD.2.00.0912170950330.15740@localhost.localdomain>
Date:	Thu, 17 Dec 2009 09:51:10 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	tytso@....edu
cc:	Kyle McMartin <kyle@...artin.ca>, linux-parisc@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	James.Bottomley@...e.de, hch@...radead.org,
	linux-arch@...r.kernel.org, Jens Axboe <jens.axboe@...cle.com>
Subject: Re: [git patches] xfs and block fixes for virtually indexed arches



On Thu, 17 Dec 2009, tytso@....edu wrote:
> 
> Sure, but there's some rumors/oral traditions going around that some
> block devices want bio address which are page aligned, because they
> want to play some kind of refcounting game,

Yeah, you might be right at that.

> And it's Weird Shit(tm) (aka iSCSI, AoE) type drivers, that most of us 
> don't have access to, so just because it works Just Fine on SATA doesn't 
> mean anything.
> 
> And none of this is documented anywhere, which is frustrating as hell.
> Just rumors that "if you do this, AoE/iSCSI will corrupt your file
> systems".

ACK. Jens? 

		Linus
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