Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2: hang in atomic copy)

[Pavel Machek]

Hi!

> > This one should prevent ioctl numbers changing, too.
> 
> > -#define SNAPSHOT_ATOMIC_SNAPSHOT	_IOW(SNAPSHOT_IOC_MAGIC, 3, void *)
> > +#define SNAPSHOT_ATOMIC_SNAPSHOT	_IOW(SNAPSHOT_IOC_MAGIC, 3, u32) /* void * */
> 
> Afaict that'll actually change ioctl numbers breaking existing 64-bit
> userspace.

Yes, probably will. The other option is to break existing 32-bit
userspace, which is a bit more common AFAICT.
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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