From: Matthew Garrett <mjg59@srcf.ucam.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-pm@lists.linux-foundation.org,
Nigel Cunningham <ncunningham@crca.org.au>,
"Leisner, Martin" <Martin.Leisner@xerox.com>
Subject: Re: syncing the disks when entering sleep
Date: Mon, 15 Feb 2010 20:28:55 +0000 [thread overview]
Message-ID: <20100215202855.GA15382@srcf.ucam.org> (raw)
In-Reply-To: <201002101942.43706.rjw@sisk.pl>
On Wed, Feb 10, 2010 at 07:42:43PM +0100, Rafael J. Wysocki wrote:
> That would matter if sync meant mandatory flushing all data to the storage
> medium, but it doesn't. From a filesystem point of view it's an advisory
> thing, something like "I wish you flushed buffers right now".
It's defined as forcing actual writing on Linux. It doesn't guarantee
that it'll be consistent (eg, XFS may flush to the journal rather than
the filesystem), but it should mean that all cached data is on disk in
some form.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2010-02-15 20:28 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-22 15:59 syncing the disks when entering sleep Leisner, Martin
2010-01-22 20:49 ` Rafael J. Wysocki
2010-01-22 21:31 ` Nigel Cunningham
2010-01-22 21:33 ` Leisner, Martin
2010-01-22 21:38 ` Rafael J. Wysocki
2010-01-22 21:40 ` Leisner, Martin
2010-01-22 21:55 ` Nigel Cunningham
2010-01-22 22:06 ` Nigel Cunningham
2010-01-22 21:35 ` Rafael J. Wysocki
2010-01-26 13:59 ` Pavel Machek
2010-01-26 18:17 ` Rafael J. Wysocki
2010-01-26 14:51 ` Pavel Machek
2010-01-27 0:51 ` Rafael J. Wysocki
2010-01-27 6:45 ` Pavel Machek
2010-01-27 7:29 ` Nigel Cunningham
2010-01-27 20:50 ` Rafael J. Wysocki
2010-01-28 7:26 ` Pavel Machek
2010-01-28 10:43 ` Rafael J. Wysocki
2010-04-05 6:38 ` document open(/dev/snapshot) sideeffects -- was " Pavel Machek
[not found] ` <20100405063852.GA1924@elf.ucw.cz>
2010-04-23 18:28 ` Rafael J. Wysocki
[not found] ` <201004232028.56005.rjw@sisk.pl>
2010-04-24 5:42 ` Pavel Machek
2010-01-27 9:55 ` Pavel Machek
2010-01-27 20:46 ` Rafael J. Wysocki
2010-01-31 8:52 ` Pavel Machek
2010-01-31 12:33 ` Rafael J. Wysocki
2010-02-01 10:49 ` Pavel Machek
2010-02-01 17:13 ` Leisner, Martin
2010-02-01 21:09 ` Pavel Machek
2010-02-02 4:13 ` Nigel Cunningham
2010-02-10 8:13 ` Pavel Machek
2010-02-10 10:34 ` Rafael J. Wysocki
2010-02-10 10:38 ` Oliver Neukum
2010-02-10 10:58 ` Rafael J. Wysocki
2010-02-10 11:02 ` Oliver Neukum
2010-02-10 18:42 ` Rafael J. Wysocki
2010-02-15 20:28 ` Matthew Garrett [this message]
2010-02-16 6:38 ` Pavel Machek
2010-02-10 13:31 ` Pavel Machek
2010-02-10 19:19 ` Rafael J. Wysocki
2010-02-10 21:17 ` Leisner, Martin
2010-02-11 14:49 ` Pavel Machek
2010-02-11 15:00 ` Pavel Machek
2010-02-11 17:28 ` Rafael J. Wysocki
2010-02-11 20:17 ` Nigel Cunningham
2010-02-10 20:58 ` Leisner, Martin
2010-02-01 20:55 ` Nigel Cunningham
2010-02-01 21:07 ` Pavel Machek
2010-02-01 22:03 ` Nigel Cunningham
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