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From: Ric Wheeler <ricwheeler@gmail.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Jens Axboe <jens.axboe@oracle.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-fsdevel@vger.kernel.org, gilad@codefidence.com
Subject: Re: [RFC] 'discard sectors' block request.
Date: Tue, 05 Aug 2008 10:21:39 -0400	[thread overview]
Message-ID: <489861F3.5070508@gmail.com> (raw)
In-Reply-To: <1217943136.3454.730.camel@pmac.infradead.org>


I think that this is a very interesting patch. Just for background, 
NetApp has proposed some extensions for a similar SCSI mechanism aimed 
more at large arrays which want to do "thin provisioned LUNS":

08-149R0 2008/03/11 SBC - Thin Provisioning 

http://www.t10.org/ftp/t10/document.08/08-149r0.pdf

08-070R0 2008/01/14 Thin Provisioning Concept Proposal

http://www.t10.org/ftp/t10/document.08/08-070r0.pdf


ric




  reply	other threads:[~2008-08-05 14:21 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <488B7281.4020007@gmail.com>
     [not found] ` <20080726130200.f541e604.akpm@linux-foundation.org>
2008-08-05  1:45   ` [RFC] 'discard sectors' block request David Woodhouse
2008-08-05  1:59     ` Andrew Morton
2008-08-05  9:01       ` David Woodhouse
2008-08-05 11:42     ` Jens Axboe
2008-08-05 13:32       ` David Woodhouse
2008-08-05 14:21         ` Ric Wheeler [this message]
2008-08-05 16:29       ` David Woodhouse
2008-08-05 17:25         ` David Woodhouse
2008-08-06  9:25           ` [PATCH 1/5] [BLOCK] Add 'discard' request handling David Woodhouse
2008-08-06 16:19             ` OGAWA Hirofumi
2008-08-06 18:18               ` David Woodhouse
2008-08-06 19:28                 ` OGAWA Hirofumi
2008-08-07 16:32             ` [PATCH 1/5, v2] " David Woodhouse
2008-08-07 18:41             ` [PATCH 1/5] " Jens Axboe
2008-08-08  9:33               ` David Woodhouse
2008-08-08 10:30                 ` Jens Axboe
2008-08-08 10:49                   ` Jens Axboe
2008-08-08 11:04                     ` David Woodhouse
2008-08-08 11:20                       ` Jens Axboe
2008-08-08 10:52                   ` David Woodhouse
2008-08-08 11:09                     ` Jens Axboe
2008-08-08 11:18                       ` Jens Axboe
2008-08-08 11:29                         ` David Woodhouse
2008-08-08 11:44                           ` Jens Axboe
2008-08-08 11:47                             ` Jens Axboe
2008-08-08 12:05                             ` David Woodhouse
2008-08-08 12:13                               ` Jens Axboe
2008-08-08 12:32                                 ` David Woodhouse
2008-08-08 12:37                                   ` Jens Axboe
2008-08-08 12:49                                     ` David Woodhouse
2008-08-10  1:05                                       ` Jamie Lokier
2008-08-08 15:32                             ` David Woodhouse
2008-08-08 14:22                     ` Matthew Wilcox
2008-08-08 14:27                       ` David Woodhouse
2008-08-08 14:34                         ` Matthew Wilcox
2008-08-06  9:25           ` [PATCH 2/5] [FAT] Let the block device know when sectors can be discarded David Woodhouse
2008-08-06 16:40             ` OGAWA Hirofumi
2008-08-06 17:14               ` OGAWA Hirofumi
2008-08-06 18:11               ` David Woodhouse
2008-08-06 19:10                 ` OGAWA Hirofumi
2008-08-06 19:50                   ` OGAWA Hirofumi
2008-08-06 20:10                     ` OGAWA Hirofumi
2008-08-06 21:37                   ` David Woodhouse
2008-08-07 16:09                     ` David Woodhouse
2008-08-07 16:33             ` [PATCH 2/5, v2] " David Woodhouse
2008-08-06  9:25           ` [PATCH 3/5] [MTD] Support 'discard sectors' operation in translation layer support core David Woodhouse
2008-08-06  9:25           ` [PATCH 4/5] [MTD] [FTL] Support 'discard sectors' operation David Woodhouse
2008-08-06  9:25           ` [PATCH 5/5] [BLOCK] Fix up comments about matching flags between bio and rq David Woodhouse

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