Re: FIDEDUPERANGE with src_length == 0
From: Christoph Hellwig <hch@infradead.org>
Date: 2016-07-14 02:47:17
Also in:
linux-fsdevel
On Tue, Jul 12, 2016 at 10:26:43PM -0700, Darrick J. Wong wrote:
It's a shortcut that we're introducing in the upcoming XFS implementation, since it shares the same back end as clone/clonerange, which both have this behavior.
We will have to preserve the existing btrfs semantics when reusing the ioctl number.