196 static inline struct bio_vec *bvec_init_iter_all(struct bvec_iter_all *iter_all)  in bvec_init_iter_all()  argument
198 	iter_all->done = 0;  in bvec_init_iter_all()
199 	iter_all->idx = 0;  in bvec_init_iter_all()
201 	return &iter_all->bv;  in bvec_init_iter_all()
205 				struct bvec_iter_all *iter_all)  in bvec_advance()  argument
207 	struct bio_vec *bv = &iter_all->bv;  in bvec_advance()
209 	if (iter_all->done) {  in bvec_advance()
217 			   bvec->bv_len - iter_all->done);  in bvec_advance()
218 	iter_all->done += bv->bv_len;  in bvec_advance()
220 	if (iter_all->done == bvec->bv_len) {  in bvec_advance()
221 		iter_all->idx++;  in bvec_advance()
222 		iter_all->done = 0;  in bvec_advance()