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To: Pavel Volkov <sailor@lists.xtsubasa.org>
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Subject: Re: Using BTRFS on SSD now ?
From: "Martin K. Petersen" <martin.petersen@oracle.com>
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Date: Sun, 08 Jun 2014 12:51:22 -0400
In-Reply-To: <62fc4c32-37c4-4c4e-b027-761859a12df4@lists.xtsubasa.org> (Pavel
	Volkov's message of "Sun, 08 Jun 2014 18:48:35 +0400")
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>>>>> "Pavel" == Pavel Volkov <sailor@lists.xtsubasa.org> writes:

Pavel> Is mine a dinosaur drive?
[...]
Pavel> General Purpose Log 0x13 does not exist (override with '-T
Pavel> permissive' option)

The only flags defined in general purpose log page 0x13 are the queued
trim ones. So there is no compelling reason for a drive vendor to
implement that page unless the drive actually supports queued trim. And
consequently it's perfectly normal for that page to be absent.

-- 
Martin K. Petersen	Oracle Linux Engineering