Hi John, On Wed, Apr 20 2011, John Calixto wrote: > Do you have a preference here? I do not have a preference. On the one > hand, not having the union makes for a cleaner-to-read struct. On the > other hand, not having to cast the pointer in 32-bit userspace is nice > especially since I foresee using this ioctl on a lot of ARM SoCs. I'll defer to Arnd, which I guess suggests using the __u64 unless he comes around to the union idea. :) - Chris. -- Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/> One Laptop Per Child -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html