Re: [PATCH 04/26] vfs: exit early from zero length remap operations

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Mon, Oct 15, 2018 at 08:10:23PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> If a remap caller asks us to remap to the source file's EOF and the
> source file has zero bytes, exit early.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>