On 4/26/07, Linus Torvalds <torvalds@linux-foundation.org> wrote:
quoted text
> In fact, I personally feel that I shouldn't even have merged
> userspace-swsusp, but if Andrew thinks it needs to be merged, my personal
> feelings simply don't matter that much. I have to trust people. But yes,
> as far as *I* am personally concerned, I think it was a mistake to merge
> it.

While the ioctl() interface is horrid, I think it's actually in
principle pretty close to your snapshot_system()/resume_snapshot().
The ugliness probably comes from the fact that suspend to RAM and
snapshot/shutdown are interleaved there too.
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