On Thu, Nov 15, 2018 at 04:52:59PM +0800, Ming Lei wrote: > diff --git a/block/blk-zoned.c b/block/blk-zoned.c > index 13ba2011a306..789b09ae402a 100644 > --- a/block/blk-zoned.c > +++ b/block/blk-zoned.c > @@ -123,6 +123,7 @@ static int blk_report_zones(struct gendisk *disk, sector_t sector, > unsigned int z = 0, n, nrz = *nr_zones; > sector_t capacity = get_capacity(disk); > int ret; > + struct bvec_iter_all iter_all; > > while (z < nrz && sector < capacity) { > n = nrz - z; iter_all is added but not used and I don't see any bio_for_each_segment_all for conversion in this function.