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From: Peng Tao <tao.peng@primarydata.com>
Date: Thu, 27 Aug 2015 14:15:51 +0800
Message-ID: <CAKVebiWewEd_jdVz=NwMgabZieNSfQhpJ=JYE1c6yJ85SQSFDA@mail.gmail.com>
Subject: Re: [PATCH-RFC-RESEND 2/9] vfs/btrfs: add .clone_range file operation
To: Christoph Hellwig <hch@infradead.org>
Cc: Devel FS Linux <linux-fsdevel@vger.kernel.org>,
        Trond Myklebust <trond.myklebust@primarydata.com>,
        Anna Schumaker <anna.schumaker@netapp.com>, Zach Brown <zab@zabbo.net>,
        Darren Hart <dvhart@linux.intel.com>,
        Bruce Fields <bfields@fieldses.org>,
        Jeff Layton <jeff.layton@primarydata.com>,
        Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
        "Darrick J. Wong" <darrick.wong@oracle.com>,
        linux-btrfs@vger.kernel.org
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Sender: linux-nfs-owner@vger.kernel.org

On Wed, Aug 26, 2015 at 9:17 PM, Christoph Hellwig <hch@infradead.org> wrote:
> You need to eep the existing defintion, either as a duplicate with a
> comment, or by including the uapi fs.h and defininin it to the new name.
OK. will keep it.

>
> Also this will break cifs, which uses the BTRFS_IOC_CLONE defintion
> already.
I'll look into it as well.

Thanks,
Tao