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

David Chinner
2007-06-29T05:00:24Z

On Fri, Jun 29, 2007 at 12:16:44AM +0200, Rafael J. Wysocki wrote:
> There are two solutions possible, IMO. One would be to make these workqueues
> freezable, which is possible, but hacky and Oleg didn't like that very much.
> The second would be to freeze XFS from within the hibernation code path,
> using freeze_bdev().

The second is much more likely to work reliably. If freezing the
filesystem leaves something in an inconsistent state, then it's
something I can reproduce and debug without needing to
suspend/resume.

FWIW, don't forget you need to thaw the filesystem on resume.

Cheers,

Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group