Hi!
> > swsusp-freeze-filesystems-during-suspend-rev-2.patch
> >
> > I think you need to give more thought to device-mapper
> > interactions here. If an underlying device is suspended
> > by device-mapper without freezing the filesystem (the
> > normal state) and you issue a freeze_bdev on a device
> > above it, the freeze_bdev may never return if it attempts
> > any synchronous I/O (as it should).
>
> Well, it looks like the interactions with dm add quite a bit of
> complexity here.
What about just fixing xfs (thou shall not write to disk when kernel
threads are frozen), and getting rid of blockdev freezing?
Pavel
--
Thanks for all the (sleeping) penguins.
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