Hi!
> > Yeah :)
>
> Looks good, one small comment below.
>
> _However_,
>
> I think we can do one more thing. Namely, if the header is not continuous,
> the kernel will leave the first continuous PAGE_SIZE "block" of the swap file
> untouched. So, why don't we copy the swap signature into that "block",
> to the place in which it would be if the the header was there, and return
> its offset as the offset of the header? Then, swsusp and s2disk should work
> normally as well as the swap.
>
> I don't think the program should do this automatically, but there may be a
> flag allowing the user to modify a swap file with non-continuous header so
> that it can be used for suspending.
I'm pretty sure we do not want *that* hack.
...don't we check header at offset ~4090, while writing some data to
offset 0? If the file is not contiguous, this will kill data, no?
Even if I'm wrong: If header is fragmented, it is likely that rest
will also be fragmented and unusable, no?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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