From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Pavel Machek <pavel@ucw.cz>
Cc: David Chinner <dgc@sgi.com>, David Greaves <david@dgreaves.com>,
David Robinson <zxvdr.au@gmail.com>,
LVM general discussion and development <linux-lvm@redhat.com>,
"'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
xfs@oss.sgi.com, linux-pm <linux-pm@lists.osdl.org>,
LinuxRaid <linux-raid@vger.kernel.org>
Subject: Re: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume
Date: Thu, 28 Jun 2007 17:27:34 +0200 [thread overview]
Message-ID: <200706281727.35430.rjw@sisk.pl> (raw)
In-Reply-To: <20070627204924.GA4777@ucw.cz>
On Wednesday, 27 June 2007 22:49, Pavel Machek wrote:
> Hi!
>
> > FWIW, I'm on record stating that "sync" is not sufficient to quiesce an XFS
> > filesystem for a suspend/resume to work safely and have argued that the only
>
> Hmm, so XFS writes to disk even when its threads are frozen?
>
> > safe thing to do is freeze the filesystem before suspend and thaw it after
> > resume. This is why I originally asked you to test that with the other problem
>
> Could you add that to the XFS threads if it is really required? They
> do know that they are being frozen for suspend.
Well, do you remember the workqueues? They are still nonfreezable.
Greetings,
Rafael
--
"Premature optimization is the root of all evil." - Donald Knuth
next prev parent reply other threads:[~2007-06-28 15:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <46744065.6060605@dgreaves.com>
[not found] ` <4674645F.5000906@gmail.com>
2007-06-17 11:38 ` [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume David Greaves
2007-06-18 7:49 ` David Greaves
2007-06-18 14:50 ` David Chinner
2007-06-18 19:14 ` David Greaves
2007-06-19 9:24 ` [linux-lvm] 2.6.22-rc5 " David Greaves
2007-06-19 9:44 ` Tejun Heo
2007-06-19 14:13 ` David Greaves
2007-06-20 8:03 ` Tejun Heo
2007-06-21 18:06 ` David Greaves
2007-06-29 8:20 ` David Greaves
2007-07-02 10:56 ` Tejun Heo
2007-07-02 14:08 ` Rafael J. Wysocki
2007-07-02 14:32 ` David Greaves
2007-07-02 15:12 ` Rafael J. Wysocki
2007-07-02 16:36 ` David Greaves
2007-07-02 20:15 ` Rafael J. Wysocki
2007-06-19 11:21 ` Rafael J. Wysocki
2007-06-19 15:31 ` David Greaves
2007-06-20 0:18 ` David Chinner
2007-06-27 20:49 ` [linux-lvm] 2.6.22-rc4 " Pavel Machek
2007-06-28 15:27 ` Rafael J. Wysocki [this message]
2007-06-28 22:00 ` [linux-pm] " Pavel Machek
2007-06-28 22:16 ` Rafael J. Wysocki
2007-06-29 5:00 ` David Chinner
2007-06-29 7:40 ` David Greaves
2007-06-29 7:43 ` David Chinner
2007-06-29 7:54 ` David Greaves
2007-06-29 13:18 ` Rafael J. Wysocki
2007-06-29 13:30 ` David Greaves
2007-06-29 4:55 ` David Chinner
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