486 static void o2hb_bio_end_io(struct bio *bio)  in o2hb_bio_end_io()  argument
488 	struct o2hb_bio_wait_ctxt *wc = bio->bi_private;  in o2hb_bio_end_io()
490 	if (bio->bi_status) {  in o2hb_bio_end_io()
491 		mlog(ML_ERROR, "IO Error %d\n", bio->bi_status);  in o2hb_bio_end_io()
492 		wc->wc_error = blk_status_to_errno(bio->bi_status);  in o2hb_bio_end_io()
496 	bio_put(bio);  in o2hb_bio_end_io()
501 static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,  in o2hb_setup_one_bio()
511 	struct bio *bio;  in o2hb_setup_one_bio()  local
518 	bio = bio_alloc(reg->hr_bdev, 16, opf, GFP_ATOMIC);  in o2hb_setup_one_bio()
519 	if (!bio) {  in o2hb_setup_one_bio()
521 		bio = ERR_PTR(-ENOMEM);  in o2hb_setup_one_bio()
526 	bio->bi_iter.bi_sector = (reg->hr_start_block + cs) << (bits - 9);  in o2hb_setup_one_bio()
527 	bio->bi_private = wc;  in o2hb_setup_one_bio()
528 	bio->bi_end_io = o2hb_bio_end_io;  in o2hb_setup_one_bio()
541 		len = bio_add_page(bio, page, vec_len, vec_start);  in o2hb_setup_one_bio()
550 	return bio;  in o2hb_setup_one_bio()
560 	struct bio *bio;  in o2hb_read_slots()  local
565 		bio = o2hb_setup_one_bio(reg, &wc, &current_slot, max_slots,  in o2hb_read_slots()
567 		if (IS_ERR(bio)) {  in o2hb_read_slots()
568 			status = PTR_ERR(bio);  in o2hb_read_slots()
574 		submit_bio(bio);  in o2hb_read_slots()
592 	struct bio *bio;  in o2hb_issue_node_write()  local
598 	bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1,  in o2hb_issue_node_write()
600 	if (IS_ERR(bio)) {  in o2hb_issue_node_write()
601 		status = PTR_ERR(bio);  in o2hb_issue_node_write()
607 	submit_bio(bio);  in o2hb_issue_node_write()