linux-ext4 - Re: [PATCH 2/2] Add batched discard support for ext4.

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Message-ID: <yq11ve4g0f9.fsf@sermon.lab.mkp.net>
Date:	Sat, 24 Apr 2010 14:39:22 -0400
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Greg Freemyer <greg.freemyer@...il.com>
Cc:	Lukas Czerner <lczerner@...hat.com>,
	Jeff Moyer <jmoyer@...hat.com>,
	Ric Wheeler <rwheeler@...hat.com>,
	Eric Sandeen <sandeen@...hat.com>,
	Mark Lord <kernel@...savvy.com>, linux-ext4@...r.kernel.org,
	Edward Shishkin <eshishki@...hat.com>,
	Eric Sandeen <esandeen@...hat.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH 2/2] Add batched discard support for ext4.

>>>>> "Greg" == Greg Freemyer <greg.freemyer@...il.com> writes:

Greg> That may mean the topology information needs to grow some discard
Greg> info.  Does anyone know if that info is easily derived from the
Greg> currently existing topo info?

The values are already part of the topology information (assuming the
device reports them).  Went into 2.6.33.

-- 
Martin K. Petersen	Oracle Linux Engineering
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