156 static void btrfs_io_bio_endio_readpage(struct btrfs_io_bio *bio, int err)  in btrfs_io_bio_endio_readpage()  argument
158 	kfree(bio->csum_allocated);  in btrfs_io_bio_endio_readpage()
162 				   struct inode *inode, struct bio *bio,  in __btrfs_lookup_bio_sums()  argument
165 	struct bio_vec *bvec = bio->bi_io_vec;  in __btrfs_lookup_bio_sums()
166 	struct btrfs_io_bio *btrfs_bio = btrfs_io_bio(bio);  in __btrfs_lookup_bio_sums()
185 	nblocks = bio->bi_iter.bi_size >> inode->i_sb->s_blocksize_bits;  in __btrfs_lookup_bio_sums()
204 	if (bio->bi_iter.bi_size > PAGE_CACHE_SIZE * 8)  in __btrfs_lookup_bio_sums()
207 	WARN_ON(bio->bi_vcnt <= 0);  in __btrfs_lookup_bio_sums()
220 	disk_bytenr = (u64)bio->bi_iter.bi_sector << 9;  in __btrfs_lookup_bio_sums()
223 	while (bio_index < bio->bi_vcnt) {  in __btrfs_lookup_bio_sums()
296 			  struct bio *bio, u32 *dst)  in btrfs_lookup_bio_sums()  argument
298 	return __btrfs_lookup_bio_sums(root, inode, bio, 0, dst, 0);  in btrfs_lookup_bio_sums()
302 			      struct bio *bio, u64 offset)  in btrfs_lookup_bio_sums_dio()  argument
304 	return __btrfs_lookup_bio_sums(root, inode, bio, offset, NULL, 1);  in btrfs_lookup_bio_sums_dio()
427 		       struct bio *bio, u64 file_start, int contig)  in btrfs_csum_one_bio()  argument
432 	struct bio_vec *bvec = bio->bi_io_vec;  in btrfs_csum_one_bio()
439 	WARN_ON(bio->bi_vcnt <= 0);  in btrfs_csum_one_bio()
440 	sums = kzalloc(btrfs_ordered_sum_size(root, bio->bi_iter.bi_size),  in btrfs_csum_one_bio()
445 	sums->len = bio->bi_iter.bi_size;  in btrfs_csum_one_bio()
455 	sums->bytenr = (u64)bio->bi_iter.bi_sector << 9;  in btrfs_csum_one_bio()
458 	while (bio_index < bio->bi_vcnt) {  in btrfs_csum_one_bio()
470 			bytes_left = bio->bi_iter.bi_size - total_bytes;  in btrfs_csum_one_bio()
478 			sums->bytenr = ((u64)bio->bi_iter.bi_sector << 9) +  in btrfs_csum_one_bio()