Re: aio: compat_ioctl issue?

[Michael Tokarev]

Jeff Moyer wrote:
[]
> Yeah, whoops.  I built the libaio test harness using -m32 and this patch
> works for me.  Would you mind giving it a try?

It appears to work here so far.  I did not run massive i/o test suite
but it now passes basic multiple kernel unpacking in parallel tests
(before it didnt' even recognize the partition table).

So the patch - at least basically - works.

Except that we now have code duplication in kernel.  Look at
fs/compat.c:compat_do_readv_writev() - it does the same as
compat_rw_copy_check_uvector() plus a bit more.  I guess it
is a good idea to use compat_rw_copy_check_uvector() in
compat_do_readv_writev() to build the compat vectors...

Thank you for the patch and the fix!

/mjt
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