On Wed, Oct 10, 2018 at 09:12:30PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > vfs_clone_file_prep_inodes cannot return 0 if it is asked to remap from > a zero byte file because that's what btrfs does. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > --- Maybe it would be a good time to switch btrfs to use vfs_clone_file_prep_inodes so that we don't have any discrepancies? Otherwise looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>
