From: Douglas Gilbert <dgilbert@interlog.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: hch@infradead.org, axboe@kernel.dk, matthew@wil.cx,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH 2/2] sd: WRITE SAME(16) / UNMAP support
Date: Fri, 30 Oct 2009 00:28:38 -0400 [thread overview]
Message-ID: <4AEA6B76.2010303@interlog.com> (raw)
In-Reply-To: <1256873409-12668-3-git-send-email-martin.petersen@oracle.com>
Martin K. Petersen wrote:
> Implement a prepare discard function that sends either WRITE SAME(16) or
> UNMAP(10) depending on parameters indicated by the device in the block
> limits VPD.
And if both are supported by the logical unit, the patch
prefers UNMAP?
Doug Gilbert
next prev parent reply other threads:[~2009-10-30 4:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-30 3:30 [RFC] Thin provisioning bits Martin K. Petersen
2009-10-30 3:30 ` [PATCH 1/2] block: Expose discard granularity Martin K. Petersen
2009-10-30 5:07 ` Christoph Hellwig
2009-11-02 13:31 ` Martin K. Petersen
2009-11-03 15:12 ` Christoph Hellwig
2009-11-03 19:08 ` Jens Axboe
2009-10-30 3:30 ` [PATCH 2/2] sd: WRITE SAME(16) / UNMAP support Martin K. Petersen
2009-10-30 4:28 ` Douglas Gilbert [this message]
2009-10-30 4:53 ` Martin K. Petersen
2009-10-30 16:02 ` Ric Wheeler
2009-10-30 5:11 ` Christoph Hellwig
2009-11-02 13:32 ` Martin K. Petersen
2009-11-03 15:12 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2009-11-04 4:25 Thin provisioning update Martin K. Petersen
2009-11-04 4:25 ` [PATCH 2/2] sd: WRITE SAME(16) / UNMAP support Martin K. Petersen
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