Re: [PATCH 0/7] nfs: minor cleanups and NFSv42 CLONE support

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On Mon, Jul 13, 2015 at 3:41 PM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
> On Mon, Jul 13, 2015 at 03:36:22PM +0800, Peng Tao wrote:
>> So the main change is .copy_file_range syscall. Was it rejected before
>> or can we just push it forward as it is?
>
> It wasn't rejected, but we kept bikeshedding over the semantics insted
> of moving it forward.
>
>> If there are objections against a new syscall, we can drop it and move
>> on with vfs helper and the new copy_file_range file operation, in
>> order to just make nfsd clone work.
>
> I think everyone wants the syscall, but people don't agree on the
> semantics.  For now maybe we should just add the method and move the
> btrfs/xfs ioctl to common code.
yeah, makes sense.
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