| To: | David Chinner <dgc@xxxxxxx> |
|---|---|
| Subject: | Re: [PATCH] Freeze bdevs when freezing processes. |
| From: | Pavel Machek <pavel@xxxxxx> |
| Date: | Tue, 24 Oct 2006 23:37:37 +0200 |
| Cc: | "Rafael J. Wysocki" <rjw@xxxxxxx>, Nigel Cunningham <ncunningham@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx |
| In-reply-to: | <20061024163345.GG11034@xxxxxxxxxxxxxxxxx> |
| References: | <1161576735.3466.7.camel@xxxxxxxxxxxxxxxxxx> <200610231236.54317.rjw@xxxxxxx> <20061024144446.GD11034@xxxxxxxxxxxxxxxxx> <200610241730.00488.rjw@xxxxxxx> <20061024163345.GG11034@xxxxxxxxxxxxxxxxx> |
| Sender: | xfs-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.5.11+cvs20060126 |
Hi!
> > Do you mean calling sys_sync() after the userspace has been frozen
> > may not be sufficient?
>
> In most cases it probably is, but sys_sync() doesn't provide any
> guarantees that the filesystem is not being used or written to after
> it completes. Given that every so often I hear about an XFS filesystem
> that was corrupted by suspend, I don't think this is sufficient...
Userspace is frozen. There's noone that can write to the XFS
filesystem.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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