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From: Christoph Hellwig <hch@infradead.org>
To: Neil Brown <neilb@suse.de>
Cc: Pierre Ossman <drzeus-list@drzeus.cx>,
	LKML <linux-kernel@vger.kernel.org>,
	schwidefsky@de.ibm.com
Subject: Re: Block layer still stack abuser?
Date: Thu, 22 Feb 2007 03:44:24 +0000	[thread overview]
Message-ID: <20070222034424.GC9027@infradead.org> (raw)
In-Reply-To: <17885.1120.437885.35438@notabene.brown>

On Thu, Feb 22, 2007 at 01:48:00PM +1100, Neil Brown wrote:
> Might this:
>    http://lkml.org/lkml/2007/2/10/22
> 
> relate to your question?
> If you are talking about stacking block device (via dm or md), then a
> patch to fix this in in -mm but there are or were some potential
> issues in dm that seem to be holding it up.

What are the current blocking issues?  There are a lot of users of dm/md
double-stacking (e.g. mirroring + multipath) that are in deep trouble
currently and could be helped greatly with this patch.

  reply	other threads:[~2007-02-22  3:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-16 11:57 Pierre Ossman
2007-02-22  2:48 ` Neil Brown
2007-02-22  3:44   ` Christoph Hellwig [this message]
2007-02-22  3:46     ` Neil Brown
2007-02-22  5:44   ` Pierre Ossman

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