111 	struct bio *check;  in bch_data_verify()  local
115 	check = bio_kmalloc(nr_segs, GFP_NOIO);  in bch_data_verify()
116 	if (!check)  in bch_data_verify()
118 	bio_init(check, bio->bi_bdev, check->bi_inline_vecs, nr_segs,  in bch_data_verify()
120 	check->bi_iter.bi_sector = bio->bi_iter.bi_sector;  in bch_data_verify()
121 	check->bi_iter.bi_size = bio->bi_iter.bi_size;  in bch_data_verify()
123 	bch_bio_map(check, NULL);  in bch_data_verify()
124 	if (bch_bio_alloc_pages(check, GFP_NOIO))  in bch_data_verify()
127 	submit_bio_wait(check);  in bch_data_verify()
134 		cbv = bio_iter_iovec(check, citer);  in bch_data_verify()
145 		bio_advance_iter(check, &citer, bv.bv_len);  in bch_data_verify()
148 	bio_free_pages(check);  in bch_data_verify()
150 	bio_uninit(check);  in bch_data_verify()
151 	kfree(check);  in bch_data_verify()