On Tue, Oct 15, 2019 at 05:43:40PM +0200, Christoph Hellwig wrote: > File systems like gfs2 don't support delayed allocations or unwritten > extents and thus allocate normal mapped blocks to fill holes. To > cover the case of such file systems allocating new blocks to fill holes > also zero out mapped blocks with the new flag. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Sensible. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx