From: Christoph Hellwig <hch@lst.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, hch@lst.de
Subject: Re: [PATCH 2/6] libata: Report supported TRIM payload size
Date: Mon, 23 Aug 2010 15:50:24 +0200 [thread overview]
Message-ID: <20100823135024.GA22554@lst.de> (raw)
In-Reply-To: <1282232941-9910-3-git-send-email-martin.petersen@oracle.com>
On Thu, Aug 19, 2010 at 11:48:57AM -0400, Martin K. Petersen wrote:
> ATA IDENTIFY DEVICE word 105 contains the number of 512-byte blocks of
> TRIM payload information the device can accept in one command. Use this
> value to enable payloads > 512 bytes.
Currently ata_scsi_write_same_xlat passes uses a constant 512 for the
payload all over the place, so the larger payloads won't actually work yet.
I don't think advertising a larger size than we actually support is a
good idea.
next prev parent reply other threads:[~2010-08-23 13:50 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-19 15:48 Discard/trim/thin provisioning update Martin K. Petersen
2010-08-19 15:48 ` [PATCH 1/6] libata: Signal that our SATL supports WRITE SAME(16) with UNMAP Martin K. Petersen
2010-08-19 16:15 ` James Bottomley
2010-08-19 16:20 ` Martin K. Petersen
2010-08-23 8:32 ` Tejun Heo
2010-08-23 18:22 ` Douglas Gilbert
2010-08-23 18:29 ` Douglas Gilbert
2010-08-23 19:11 ` Martin K. Petersen
2010-08-19 15:48 ` [PATCH 2/6] libata: Report supported TRIM payload size Martin K. Petersen
2010-08-19 17:27 ` Greg Freemyer
2010-08-19 18:05 ` Martin K. Petersen
2010-08-19 21:08 ` Greg Freemyer
2010-08-19 21:50 ` Mark Lord
2010-08-20 8:58 ` Christoph Hellwig
2010-08-20 13:53 ` Mark Lord
2010-08-20 17:13 ` Greg Freemyer
2010-08-20 18:28 ` Mark Lord
2010-08-23 13:50 ` Christoph Hellwig [this message]
2010-08-23 18:56 ` Martin K. Petersen
2010-08-19 15:48 ` [PATCH 3/6] block: Make max_discard_sectors sector_t Martin K. Petersen
2010-08-20 8:59 ` Christoph Hellwig
2010-08-19 15:48 ` [PATCH 4/6] scsi: Fix VPD page wrapper Martin K. Petersen
2010-08-19 15:49 ` [PATCH 5/6] scsi_debug: Update thin provisioning support Martin K. Petersen
2010-08-23 16:37 ` Douglas Gilbert
2010-08-19 15:49 ` [PATCH 6/6] sd: " Martin K. Petersen
2010-08-20 9:00 ` Christoph Hellwig
2010-08-23 19:06 ` Martin K. Petersen
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