gfp_t gfp_flags);
struct bio *btrfs_io_bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs);
struct bio *btrfs_bio_clone(struct bio *bio, gfp_t gfp_mask);
-struct bio *btrfs_bio_clone_partial(struct bio *orig, gfp_t gfp_mask,
- int offset, int size);
+struct bio *btrfs_bio_clone_partial(struct bio *orig, int offset, int size);
struct btrfs_fs_info;
struct btrfs_inode;