u32 sums;
};
-void btrfs_init_compress(void);
+void __init btrfs_init_compress(void);
void btrfs_exit_compress(void);
int btrfs_compress_pages(unsigned int type_level, struct address_space *mapping,
extern const struct btrfs_compress_op btrfs_lzo_compress;
extern const struct btrfs_compress_op btrfs_zstd_compress;
+const char* btrfs_compress_type2str(enum btrfs_compression_type type);
+
int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);
#endif