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Message-ID: <yq138kfbv73.fsf@sermon.lab.mkp.net>
Date:	Wed, 22 Jan 2014 15:47:12 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Ric Wheeler <rwheeler@...hat.com>
Cc:	Mel Gorman <mgorman@...e.de>, linux-scsi@...r.kernel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	lsf-pc@...ts.linux-foundation.org
Subject: Re: [Lsf-pc] [LSF/MM TOPIC] really large storage sectors - going beyond 4096 bytes

>>>>> "Ric" == Ric Wheeler <rwheeler@...hat.com> writes:

Ric> I will have to see if I can get a storage vendor to make a public
Ric> statement, but there are vendors hoping to see this land in Linux
Ric> in the next few years. I assume that anyone with a shipping device
Ric> will have to at least emulate the 4KB sector size for years to
Ric> come, but that there might be a significant performance win for
Ric> platforms that can do a larger block.

I am aware of two companies that already created devices with 8KB
logical blocks and expected Linux to work. I had to do some explaining.

I agree with Ric that this is something we'll need to address sooner
rather than later.

-- 
Martin K. Petersen	Oracle Linux Engineering
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