From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Ric Wheeler <rwheeler@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>,
linux-scsi@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
lsf-pc@lists.linux-foundation.org
Subject: Re: [Lsf-pc] [LSF/MM TOPIC] really large storage sectors - going beyond 4096 bytes
Date: Wed, 22 Jan 2014 15:47:12 -0500 [thread overview]
Message-ID: <yq138kfbv73.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <52DFDCA6.1050204@redhat.com> (Ric Wheeler's message of "Wed, 22 Jan 2014 09:58:46 -0500")
>>>>> "Ric" == Ric Wheeler <rwheeler@redhat.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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WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Ric Wheeler <rwheeler@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>,
linux-scsi@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
lsf-pc@lists.linux-foundation.org
Subject: Re: [Lsf-pc] [LSF/MM TOPIC] really large storage sectors - going beyond 4096 bytes
Date: Wed, 22 Jan 2014 15:47:12 -0500 [thread overview]
Message-ID: <yq138kfbv73.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <52DFDCA6.1050204@redhat.com> (Ric Wheeler's message of "Wed, 22 Jan 2014 09:58:46 -0500")
>>>>> "Ric" == Ric Wheeler <rwheeler@redhat.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
next prev parent reply other threads:[~2014-01-22 20:47 UTC|newest]
Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-20 9:30 LSF/MM 2014 Call For Proposals Mel Gorman
2013-12-20 9:30 ` Mel Gorman
2013-12-20 9:30 ` [Lsf-pc] " Mel Gorman
2014-01-06 22:20 ` [LSF/MM TOPIC] [ATTEND] persistent memory progress, management of storage & file systems Ric Wheeler
2014-01-06 22:20 ` Ric Wheeler
2014-01-06 22:32 ` faibish, sorin
2014-01-06 22:32 ` faibish, sorin
2014-01-07 19:44 ` Joel Becker
2014-01-07 19:44 ` Joel Becker
2014-01-21 7:00 ` LSF/MM 2014 Call For Proposals Michel Lespinasse
2014-01-21 7:00 ` Michel Lespinasse
2014-01-22 3:04 ` [LSF/MM TOPIC] really large storage sectors - going beyond 4096 bytes Ric Wheeler
2014-01-22 3:04 ` Ric Wheeler
2014-01-22 5:20 ` Joel Becker
2014-01-22 5:20 ` Joel Becker
2014-01-22 7:14 ` Hannes Reinecke
2014-01-22 7:14 ` Hannes Reinecke
2014-01-22 7:14 ` Hannes Reinecke
2014-01-22 9:34 ` [Lsf-pc] " Mel Gorman
2014-01-22 9:34 ` Mel Gorman
2014-01-22 14:10 ` Ric Wheeler
2014-01-22 14:10 ` Ric Wheeler
2014-01-22 14:34 ` Mel Gorman
2014-01-22 14:34 ` Mel Gorman
2014-01-22 14:58 ` Ric Wheeler
2014-01-22 14:58 ` Ric Wheeler
2014-01-22 15:19 ` Mel Gorman
2014-01-22 15:19 ` Mel Gorman
2014-01-22 17:02 ` Chris Mason
2014-01-22 17:02 ` Chris Mason
2014-01-22 17:21 ` James Bottomley
2014-01-22 17:21 ` James Bottomley
2014-01-22 18:02 ` Chris Mason
2014-01-22 18:02 ` Chris Mason
2014-01-22 18:13 ` James Bottomley
2014-01-22 18:13 ` James Bottomley
2014-01-22 18:17 ` Ric Wheeler
2014-01-22 18:17 ` Ric Wheeler
2014-01-22 18:35 ` James Bottomley
2014-01-22 18:35 ` James Bottomley
2014-01-22 18:39 ` Ric Wheeler
2014-01-22 18:39 ` Ric Wheeler
2014-01-22 19:30 ` James Bottomley
2014-01-22 19:30 ` James Bottomley
2014-01-22 19:50 ` Andrew Morton
2014-01-22 19:50 ` Andrew Morton
2014-01-22 20:13 ` Chris Mason
2014-01-22 20:13 ` Chris Mason
2014-01-23 2:46 ` David Lang
2014-01-23 2:46 ` David Lang
2014-01-23 5:21 ` Theodore Ts'o
2014-01-23 5:21 ` Theodore Ts'o
2014-01-23 8:35 ` Dave Chinner
2014-01-23 8:35 ` Dave Chinner
2014-01-23 12:55 ` Theodore Ts'o
2014-01-23 12:55 ` Theodore Ts'o
2014-01-23 19:49 ` Dave Chinner
2014-01-23 19:49 ` Dave Chinner
2014-01-23 21:21 ` Joel Becker
2014-01-23 21:21 ` Joel Becker
2014-01-22 20:57 ` Martin K. Petersen
2014-01-22 20:57 ` Martin K. Petersen
2014-01-22 20:57 ` Martin K. Petersen
2014-01-22 18:37 ` Chris Mason
2014-01-22 18:37 ` Chris Mason
2014-01-22 18:40 ` Ric Wheeler
2014-01-22 18:40 ` Ric Wheeler
2014-01-22 18:47 ` James Bottomley
2014-01-22 18:47 ` James Bottomley
2014-01-23 21:27 ` Joel Becker
2014-01-23 21:27 ` Joel Becker
2014-01-23 21:34 ` Chris Mason
2014-01-23 21:34 ` Chris Mason
2014-01-23 8:27 ` Dave Chinner
2014-01-23 8:27 ` Dave Chinner
2014-01-23 15:47 ` James Bottomley
2014-01-23 15:47 ` James Bottomley
2014-01-23 16:44 ` Mel Gorman
2014-01-23 16:44 ` Mel Gorman
2014-01-23 19:55 ` James Bottomley
2014-01-23 19:55 ` James Bottomley
2014-01-24 10:57 ` Mel Gorman
2014-01-24 10:57 ` Mel Gorman
2014-01-30 4:52 ` Matthew Wilcox
2014-01-30 4:52 ` Matthew Wilcox
2014-01-30 6:01 ` Dave Chinner
2014-01-30 6:01 ` Dave Chinner
2014-01-30 10:50 ` Mel Gorman
2014-01-30 10:50 ` Mel Gorman
2014-01-23 20:34 ` Dave Chinner
2014-01-23 20:34 ` Dave Chinner
2014-01-23 20:54 ` Christoph Lameter
2014-01-23 20:54 ` Christoph Lameter
2014-01-23 8:24 ` Dave Chinner
2014-01-23 8:24 ` Dave Chinner
2014-01-23 20:48 ` Christoph Lameter
2014-01-23 20:48 ` Christoph Lameter
2014-01-22 20:47 ` Martin K. Petersen [this message]
2014-01-22 20:47 ` Martin K. Petersen
2014-01-23 8:21 ` Dave Chinner
2014-01-23 8:21 ` Dave Chinner
2014-01-22 15:14 ` Chris Mason
2014-01-22 15:14 ` Chris Mason
2014-01-22 16:03 ` James Bottomley
2014-01-22 16:03 ` James Bottomley
2014-01-22 16:45 ` Ric Wheeler
2014-01-22 16:45 ` Ric Wheeler
2014-01-22 17:00 ` James Bottomley
2014-01-22 17:00 ` James Bottomley
2014-01-22 21:05 ` Jan Kara
2014-01-22 21:05 ` Jan Kara
2014-01-23 20:47 ` Christoph Lameter
2014-01-23 20:47 ` Christoph Lameter
2014-01-24 11:09 ` Mel Gorman
2014-01-24 11:09 ` Mel Gorman
2014-01-24 15:44 ` Christoph Lameter
2014-01-24 15:44 ` Christoph Lameter
2014-01-22 15:54 ` James Bottomley
2014-01-22 15:54 ` James Bottomley
2014-03-14 9:02 ` Update on LSF/MM [was Re: LSF/MM 2014 Call For Proposals] James Bottomley
2014-03-14 9:02 ` James Bottomley
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