[Top] [All Lists]

Re: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume

To: Pavel Machek <pavel@xxxxxx>
Subject: Re: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume
From: "Rafael J. Wysocki" <rjw@xxxxxxx>
Date: Thu, 28 Jun 2007 17:27:34 +0200
Cc: David Chinner <dgc@xxxxxxx>, David Greaves <david@xxxxxxxxxxxx>, David Robinson <zxvdr.au@xxxxxxxxx>, LVM general discussion and development <linux-lvm@xxxxxxxxxx>, "'linux-kernel@xxxxxxxxxxxxxxx'" <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, linux-pm <linux-pm@xxxxxxxxxxxxxx>, LinuxRaid <linux-raid@xxxxxxxxxxxxxxx>
In-reply-to: <20070627204924.GA4777@xxxxxx>
References: <46744065.6060605@xxxxxxxxxxxx> <20070618145007.GE85884050@xxxxxxx> <20070627204924.GA4777@xxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: KMail/1.9.5
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.


"Premature optimization is the root of all evil." - Donald Knuth

<Prev in Thread] Current Thread [Next in Thread>