linux-kernel - Re: md: Use new topology calls to indicate alignment and I/O sizes

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Date:	Wed, 1 Jul 2009 09:58:32 +1000
From:	Neil Brown <neilb@...e.de>
To:	Mike Snitzer <snitzer@...hat.com>
Cc:	jens.axboe@...cle.com,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: md: Use new topology calls to indicate alignment and I/O sizes

On Tuesday June 30, snitzer@...hat.com wrote:
> 
> Neil,
> 
> Any chance you could make a formal pull request for this MD topology
> support patch for 2.6.31-rc2?

Yes.. I want to include a couple of other patches in the same batch
and I've been a bit distracted lately (by a cold among other things).
I'll try to get this sorted out today.

> 
> NOTE: all the disk_stack_limits() calls must pass the 3rd 'offset' arg
> in terms of bytes and _not_ sectors.  So all of MD's calls to
> disk_stack_limits() should pass: rdev->data_offset << 9

Noted, thanks.

NeilBrown
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