Re: [RFC][PATCH] swsusp: support creating bigger images

[Pavel Machek]

Hi!

> > It does apply to all of the LRU pages. This is what I've been doing for years 
> > now. The only corner case I've come across is XFS. It still wants to write 
> > data even when there's nothing to do and it's threads are frozen (IIRC - 
> > haven't looked at it for a while). I got around that by freezing bdevs when 
> > freezing processes.
> 
> This means if we freeze bdevs, we'll be able to save all of the LRU pages,
> except for the pages mapped by the current task, without copying.  I think we
> can try to do this, but we'll need a patch to freeze bdevs for this purpose. ;-)

...adding more dependencies to how vm/blockdevs work. I'd say current
code is complex enough...
							Pavel
-- 
Thanks for all the (sleeping) penguins.
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