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SubjectRe: [PATCH 5/7] FUSE: implement ioctl support
On Thu, 28 Aug 2008, H. Peter Anvin wrote:
> Tejun Heo wrote:
> >
> > Ah.... funky. If this retry thing is too repulsive, I guess the best
> > alternative would be directly accessing caller's memory as Miklos suggested.
> >
> Be careful -- there are some serious dragons there in the presence of
> multiple threads.

OK, it should map /proc/pid/task/tid/mem. Or rather
/proc/tid/task/tid/mem, as the pid (tgid) of the caller is not
currently passed to the filesystem.


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