From: Christoph Anton Mitterer <christoph.anton.mitterer@physik.uni-muenchen.de>
To: Arno Wagner <arno@wagner.name>
Cc: dm-crypt@saout.de
Subject: Re: [dm-crypt] dm-crypt flush-to-disk freezes
Date: Sun, 22 Aug 2010 23:42:44 +0200 [thread overview]
Message-ID: <1282513364.3227.16.camel@fermat.scientia.net> (raw)
In-Reply-To: <20100822195259.GA13530@tansi.org>
On Sun, 2010-08-22 at 21:52 +0200, Arno Wagner wrote:
> What do I lose with barriers off?
data security ;)
In case of the filesystem barriers (not the IO barriers, which are
different AFAIK) they're used to make sure, that the COMMITS in the
journal are written after the journal is correctly flushed out.
Cheers,
Chris.
next prev parent reply other threads:[~2010-08-22 21:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-17 18:46 [dm-crypt] dm-crypt flush-to-disk freezes Arno Wagner
2010-08-18 8:31 ` Heinz Diehl
2010-08-18 11:09 ` Rick Moritz
2010-08-18 11:43 ` Milan Broz
2010-08-18 13:18 ` Heinz Diehl
2010-08-18 14:36 ` Milan Broz
2010-08-18 13:22 ` Heinz Diehl
2010-08-18 14:12 ` Arno Wagner
2010-08-18 14:47 ` Milan Broz
2010-08-18 15:44 ` Arno Wagner
2010-08-22 19:52 ` Arno Wagner
2010-08-22 21:42 ` Christoph Anton Mitterer [this message]
2010-08-22 21:51 ` Arno Wagner
2010-08-22 21:58 ` Christoph Anton Mitterer
2010-08-22 22:01 ` Christoph Anton Mitterer
2010-08-23 6:24 ` Heinz Diehl
2010-08-23 0:47 ` Arno Wagner
2010-08-23 7:13 ` Milan Broz
2010-08-25 2:40 ` Arno Wagner
2010-08-25 14:13 ` Heinz Diehl
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