[PATCH] vfs: fix return type of ioctl_file_dedupe_range

[Christoph Hellwig]

On Mon, Aug 01, 2016 at 10:13:39AM -0700, Darrick J. Wong wrote:
> All the VFS functions in the dedupe ioctl path return int status, so
> the ioctl handler ought to as well.
> 
> Found by Coverity, CID 1350952.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong at oracle.com>

Looks fine,

Reviewed-by: Christoph Hellwig <hch at lst.de>