[LTP] [PATCH] syscalls/statx04: use stx_attributes_mask before test

[Li Wang]

Hi all,

> >> This patch makes sense to me, I'm not sure if any blocker issue for
> >> holding the apply process. If _no_ I would help to merge it:).
> >
> > See:
> >
> > https://github.com/linux-test-project/ltp/issues/557
> >
> > Basically this change hides a kernel bug.
> I don't think it is a kernel bug and it is only an non-supported feature
> before linux 5.1 when not using ext4 driver for ext2.

Cyril hopes to have a reproducer to cover the bug [1] (though
you think it a non-support problem), but that is responsible
advice for FileSystem:).
Actually, the worth to say, there already a separate test
(xfstest/generic/424) for reproducing this problem[2].
See: https://github.com/kdave/xfstests/blob/master/tests/generic/424
I believe FS QE/Dev will run it for all filesystems regularly.

So maybe we can safely apply this patch in LTP without
adding a duplicated test?

[1] https://bugs.linaro.org/show_bug.cgi?id=4012
[2]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93bc420ed41df63

-- 
Regards,
Li Wang
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