From: Chris Samuel <chris@csamuel.org>
To: linux-btrfs@vger.kernel.org
Subject: Re: TRIM support
Date: Sun, 10 Jul 2011 18:33:28 +1000 [thread overview]
Message-ID: <201107101833.31450.chris@csamuel.org> (raw)
In-Reply-To: <1309635918.3774.7.camel@nayuki>
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On Sun, 3 Jul 2011 05:45:17 AM Calvin Walton wrote:
> The discard option is not currently automatically enabled; I think
> there may have been some performance issues in certain cases with
> drives that have slow trim implementations. But feel free to give
> it a try.
This LWN article from 2009 explains why it can be problematic
(especially on SATA drives where TRIM is a non-queued command):
https://lwn.net/Articles/347511/
cheers,
Chris
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Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC
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next prev parent reply other threads:[~2011-07-10 8:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-02 18:08 TRIM support Leonidas Spyropoulos
2011-07-02 19:45 ` Calvin Walton
[not found] ` <CAAeznTrfX9u9YXAz31cjsR=qxqrsnaPHLjZxqTaO4SDVBicF6A@mail.gmail.com>
2011-07-02 22:40 ` Leonidas Spyropoulos
2011-07-03 12:20 ` Hubert Kario
2011-07-03 12:56 ` Leonidas Spyropoulos
2011-07-03 14:46 ` Hubert Kario
[not found] ` <201107031654.03363.kario@wit.edu.pl>
[not found] ` <CAAeznTqPdQ99Qv7jFFthsZPdHN7ZedPszEJKhpe18gBEvR8=JQ@mail.gmail.com>
2011-07-03 15:28 ` Fwd: " Leonidas Spyropoulos
2011-07-04 16:20 ` Martin Steigerwald
2011-07-04 16:32 ` Leonidas Spyropoulos
2011-07-04 19:51 ` Martin Steigerwald
2011-07-10 8:33 ` Chris Samuel [this message]
2011-07-10 20:58 ` Leonidas Spyropoulos
2011-07-10 21:59 ` Fajar A. Nugraha
2011-07-10 22:34 ` Leonidas Spyropoulos
2011-07-11 6:04 ` Fajar A. Nugraha
2011-07-11 7:02 ` Leonidas Spyropoulos
2011-07-11 7:19 ` Fajar A. Nugraha
2011-07-11 5:53 ` Chris Samuel
2011-07-11 7:17 ` Ric Wheeler
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