Messages in this thread | | | Date | Thu, 28 Aug 2008 19:59:58 +0200 | From | Tejun Heo <> | Subject | Re: [PATCH 5/7] FUSE: implement ioctl support |
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Greg KH wrote: > Why do we need ioctls? For CUSE? In that case, would we need to copy > the memory from userspace, into the kernel, and then back out into > userspace again? Can't we just have a "pass-through" type fixed ioctl > instead?
Can you elaborate a bit? How the fixed ioctl would know how much to copy in and out and from where?
Thanks.
-- tejun
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