From: Chris Samuel <chris@csamuel.org>
To: linux-btrfs@vger.kernel.org
Subject: Re: discard synchronous on most SSDs?
Date: Fri, 14 Mar 2014 18:27:26 +1100 [thread overview]
Message-ID: <1523699.N4qpGEZQ9Y@quad> (raw)
In-Reply-To: <C13A2AFA-A9F0-4219-879C-F1C15ADC63A9@colorremedies.com>
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On Thu, 13 Mar 2014 09:39:02 PM Chris Murphy wrote:
> smartctl -a or -x will tell you what SATA revision is in place. The queued
> trim support is in SATA Rev 3.1. I'm not certain if this requires only the
> drive to support that revision level, or both controller and drive.
Both I'd say as I believe it's the controller that has to issue it to the
drive, and the drive needs to understand it.
cheers,
Chris
--
Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC
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next prev parent reply other threads:[~2014-03-14 7:27 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-09 7:48 Massive BTRFS performance degradation KC
2014-03-09 8:17 ` Swâmi Petaramesh
2014-03-09 10:01 ` Martin Steigerwald
2014-03-09 10:23 ` Swâmi Petaramesh
2014-03-09 11:33 ` Hugo Mills
2014-03-09 11:54 ` Martin Steigerwald
2014-03-09 12:10 ` Swâmi Petaramesh
2014-03-09 17:14 ` boris
2014-03-14 2:11 ` discard synchronous on most SSDs? Marc MERLIN
2014-03-14 3:39 ` Chris Murphy
2014-03-14 5:17 ` Marc MERLIN
2014-03-14 7:33 ` Chris Samuel
2014-03-14 19:26 ` Marc MERLIN
2014-03-14 19:57 ` Martin K. Petersen
2014-03-14 20:46 ` Holger Hoffstätte
2014-03-15 4:21 ` Marc MERLIN
2014-03-15 9:38 ` Holger Hoffstätte
2014-03-15 5:25 ` Chris Samuel
2014-03-15 6:48 ` Chris Samuel
2014-03-15 11:26 ` Duncan
2014-03-15 22:48 ` Chris Samuel
2014-03-16 6:06 ` Marc MERLIN
2014-03-16 17:09 ` Chris Murphy
2014-03-16 16:22 ` Martin K. Petersen
2014-03-16 17:50 ` Marc MERLIN
2014-03-15 4:06 ` Chris Samuel
2014-03-16 16:07 ` Martin K. Petersen
2014-03-14 12:07 ` Duncan
2014-03-14 21:44 ` Chris Murphy
2014-03-14 7:27 ` Chris Samuel [this message]
2014-03-09 17:36 ` Massive BTRFS performance degradation Austin S Hemmelgarn
2014-03-09 18:55 ` Tobias Holst
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