Re: [PATCH 1/5] src/copy_file_range: Add a program for testing vfs_copy_file_range()

[Anna Schumaker <Anna.Schumaker@netapp.com>]

On 05/17/2016 01:48 PM, Darrick J. Wong wrote:
> On Tue, May 17, 2016 at 10:47:42AM -0400, Anna Schumaker wrote:
>> On 05/16/2016 07:20 PM, Dave Chinner wrote:
>>> On Fri, May 13, 2016 at 04:50:48PM -0400, Anna Schumaker wrote:
>>>> This will be used by the various copy tests to call the Linux
>>>> copy_file_range() system call.  I used src/cloner.c as a reference while
>>>> writing this tool.
>>>
>>> Hmmm - I'd much prefer to see this added to xfs_io as it's a kernel
>>> syscall that lots of filesystems will eventually implement. A
>>> one-off binary for xfstests is fine for non-standard or deeply
>>> filesysetm specific stuff, but if it's generic we try to put it into
>>> xfs_io so that it's available to everyone writing scripts, not just
>>> xfstests....
>>
>> Ah, that makes sense.  Thanks for explaining the convention!  I'll look into
>> adding it to the xfs_io program instead.  Should I send that patch to a
>> different mailing list than fstests@vger.kernel.org?
> 
> xfs@oss.sgi.com.  I recommend looking at io/reflink.c as a template.
> 
> FWIW I'd also appreciate c_f_r being wired up in xfs_io.

I'm working on it right now!  I just finished fighting autotolls to get it to recognize a new file defining the "copy_range" command.  Hopefully porting everything over won't be too difficult from here.

Thanks for the suggestion to look at reflink!

Anna

> 
> --D
> 
>>
>> Thanks,
>> Anna
>>
>>>
>>> Cheers,
>>>
>>> Dave.
>>>
>>
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