Hi,
On 2018/12/30 2:56, Darrick J. Wong wrote:
> On Sat, Dec 29, 2018 at 04:16:19PM +0800, Eryu Guan wrote:
>> On Sat, Dec 29, 2018 at 10:34:52AM +0800, Hou Tao wrote:
>>> In configure script, we only check whether or not the build
>>> of copy-range test program is successful, but that doesn't
>>> mean the kernel has implemented the syscall, so checking
>>> for this case.
>>>
>>> Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>
>>> ---
>>> ltp/fsx.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/ltp/fsx.c b/ltp/fsx.c
>>> index 316f08eb..b84180f7 100644
>>> --- a/ltp/fsx.c
>>> +++ b/ltp/fsx.c
>>> @@ -1583,7 +1583,7 @@ test_copy_range(void)
>>> loff_t o1 = 0, o2 = 0;
>>>
>>> if (syscall(__NR_copy_file_range, fd, &o1, fd, &o2, 0, 0) == -1 &&
>>> - (errno == EOPNOTSUPP || errno == ENOTTY)) {
>>> + (errno == ENOSYS || errno == EOPNOTSUPP || errno == ENOTTY)) {
>>
>> Should we also check for ENOSYS in other operations like
>> {clone,dedupe}_range
>
> Unimplemented ioctls usually return EOPNOTSUPP or ENOTTY, not ENOSYS, so
> I don't think that's necessary.... unless there are kernels that don't
> implement the ioctl syscall?
>
> In any case, the manpage for clone and dedupe don't say anything about
> returning ENOSYS.
>
>> and fallocate?
> > Yes.
I will send a v2 to also check test_fallocate(), and thanks for your review.
>
> --D
>
>> Other fixes look good to me, thanks a lot for the fixes!
>>
>> Thanks,
>> Eryu
>>
>>> if (!quiet)
>>> fprintf(stderr,
>>> "main: filesystem does not support "
>>> --
>>> 2.16.2.dirty
>>>
>
>
