Re: [PATCH v2 0/4] Add copy_file_range() tests

Anna Schumaker
2016-12-02T20:00:11Z

On 11/29/2016 06:21 PM, Darrick J. Wong wrote:
> On Tue, Nov 29, 2016 at 03:59:29PM -0500, Anna Schumaker wrote:
>
>> Sorry for the delay! I've been busy looking at other things and
>> forgot to update the copy_file_range() stuff :(
>
> While you're at it, please make a test to check the return value for
> invalid inputs. I'd prefer we avoid repeating what happened with the
> vfs dedupe ioctl.

I'll see what I can do. So far I've updated the tests with the other comments and added in the "copy_range" check directly to _require_xfs_io_command(). I'll play with error codes next week and then resubmit.

Anna

>
> --D
>
>>
>> On 11/29/2016 03:47 PM, J. Bruce Fields wrote:
>>> On Fri, Nov 25, 2016 at 12:05:10AM -0800, Christoph Hellwig wrote:
>>>> On Wed, Oct 26, 2016 at 01:26:38AM -0700, Christoph Hellwig wrote:
>>>>> On Wed, Sep 07, 2016 at 03:56:15PM -0400, Anna Schumaker wrote:
>>>>>> These tests exercise the copy_file_range() system call, and check copying
>>>>>> data to both a new file and overwriting data inside an existing file. I use
>>>>>> the xfs_io "copy_range" command for the actual copies, so running these
>>>>>> tests requires an up-to-date version of xfsprogs.
>>>>>
>>>>> Hi Anna,
>>>>>
>>>>> what's the status of these tests? Did you get a chance to look
>>>>> into xfs_io copyfile support?
>>
>> xfs_io has support for copying now, so I'll make sure that the tests
>> use that correctly. I promise to send out an update this week, once I
>> check that everything still works!
>>
>> Thanks for the reminders,
>> Anna
>>
>>>>
>>>> Another month, another ping - it would be really sad to not have any
>>>> real testing for copy_file_range.
>>>
>>> Agreed, Anna, are you still planning on doing this?
>>>
>>> --b.
>>>
>>>> I've been holding a pending change
>>>> for it back for month now because I want to verify it more than cursory,
>>>> but I guess I'll just have to send it anyway.
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