From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Andras Kovacs <akovacs@fixstars.com>,
linux-scsi@vger.kernel.org
Subject: Re: UNMAP command parameter list
Date: Mon, 10 Nov 2014 12:52:35 -0500 [thread overview]
Message-ID: <yq1r3xb54f0.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <20141110174043.GA26944@infradead.org> (Christoph Hellwig's message of "Mon, 10 Nov 2014 09:40:43 -0800")
>>>>> "Christoph" == Christoph Hellwig <hch@infradead.org> writes:
Christoph> Note that if the hardware doesn't actually implement UNMAP
Christoph> and you have to emulate something you're probably better off
Christoph> emulating WRITE SAME (16) with the UNMAP bit, as the format
Christoph> is a lot easier to handle, and it's much better specified to
Christoph> start with.
Yup, absolutely!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2014-11-10 17:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-07 23:30 UNMAP command parameter list Andras Kovacs
2014-11-07 23:57 ` Elliott, Robert (Server Storage)
2014-11-08 20:22 ` Andras Kovacs
2014-11-10 15:56 ` Andras Kovacs
2014-11-10 16:44 ` Martin K. Petersen
2014-11-10 17:40 ` Christoph Hellwig
2014-11-10 17:52 ` Martin K. Petersen [this message]
2014-11-10 18:10 ` Andras Kovacs
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