struct btrfs_io_bio;
struct io_failure_record;
-typedef int (extent_submit_bio_hook_t)(void *private_data, struct bio *bio,
+typedef blk_status_t (extent_submit_bio_hook_t)(void *private_data, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset);
struct extent_io_ops {