539 	struct bio *comp_bio;  in btrfs_submit_compressed_read()  local
608 	comp_bio = btrfs_bio_alloc(bdev, cur_disk_byte);  in btrfs_submit_compressed_read()
609 	comp_bio->bi_opf = REQ_OP_READ;  in btrfs_submit_compressed_read()
610 	comp_bio->bi_private = cb;  in btrfs_submit_compressed_read()
611 	comp_bio->bi_end_io = end_compressed_bio_read;  in btrfs_submit_compressed_read()
621 		if (comp_bio->bi_iter.bi_size)  in btrfs_submit_compressed_read()
623 					comp_bio, 0);  in btrfs_submit_compressed_read()
626 		if (submit || bio_add_page(comp_bio, page, PAGE_SIZE, 0) <  in btrfs_submit_compressed_read()
628 			ret = btrfs_bio_wq_end_io(fs_info, comp_bio,  in btrfs_submit_compressed_read()
641 				ret = btrfs_lookup_bio_sums(inode, comp_bio,  in btrfs_submit_compressed_read()
645 			sums += DIV_ROUND_UP(comp_bio->bi_iter.bi_size,  in btrfs_submit_compressed_read()
648 			ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0);  in btrfs_submit_compressed_read()
650 				comp_bio->bi_status = ret;  in btrfs_submit_compressed_read()
651 				bio_endio(comp_bio);  in btrfs_submit_compressed_read()
654 			comp_bio = btrfs_bio_alloc(bdev, cur_disk_byte);  in btrfs_submit_compressed_read()
655 			comp_bio->bi_opf = REQ_OP_READ;  in btrfs_submit_compressed_read()
656 			comp_bio->bi_private = cb;  in btrfs_submit_compressed_read()
657 			comp_bio->bi_end_io = end_compressed_bio_read;  in btrfs_submit_compressed_read()
659 			bio_add_page(comp_bio, page, PAGE_SIZE, 0);  in btrfs_submit_compressed_read()
664 	ret = btrfs_bio_wq_end_io(fs_info, comp_bio, BTRFS_WQ_ENDIO_DATA);  in btrfs_submit_compressed_read()
668 		ret = btrfs_lookup_bio_sums(inode, comp_bio, sums);  in btrfs_submit_compressed_read()
672 	ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0);  in btrfs_submit_compressed_read()
674 		comp_bio->bi_status = ret;  in btrfs_submit_compressed_read()
675 		bio_endio(comp_bio);  in btrfs_submit_compressed_read()