[LTP] [PATCH v4] syscalls/copy_file_range: add/restructured tests

[Petr Vorel <pvorel@suse.cz>]

Hi Amir,

> > > > 2) Glibc adds internal implementation of copy_file_range(), used as fallback
> > > > when kernel < 4.5 (which brought copy_file_range()) [1]. I guess there is no way
> > > > to use it explicitly :(.

> > > Well we can always use filesystem that does not support the operation,
> > > so running the test for all filesystems should get the emulation covered
> > > for sure...
> > Oh, that's the way :).

> Actually, there is no such thing as filesystem that does not support
> copy_file_range() because the kernel provides a fallback default implementation
> (in-kernel copy).
Thanks for explanation.

> > Merged then, thanks for your patch, Christian.


> I was going to ask that you drop the EXDEV test, because I am working on a path
> set to relax the cross-device constraint.
> Oh well. I will post a patch to remove that test case once my code is merged.
Sorry, I thought patch was in ML for some time :(.
Yes, please do.

> Thanks,
> Amir.

Kind regards,
Petr