Manu Bretelle wrote:
> `fs_kfuncs.c`'s `test_xattr` would fail the test even when the
> filesystem did not support xattr, for instance when /tmp is mounted as
> tmpfs.
>
> This change checks errno when setxattr fail. If the failure is due to
> the operation being unsupported, we will skip the test (just like we
> would if verity was not enabled on the FS.
>
> Before the change, fs_kfuncs test would fail in test_axattr:
>
...
> Fixes: 341f06fdddf7 ("selftests/bpf: Add tests for filesystem kfuncs")
> Signed-off-by: Manu Bretelle <chantr4@xxxxxxxxx>
> ---
Acked-by: John Fastabend <john.fastabend@xxxxxxxxx>
