__u8 i_compress_algorithm; /* compress algorithm */
__u8 i_log_cluster_size; /* log of cluster size */
__le16 i_compress_flag; /* compress flag */
+ /* 0 bit: chksum flag
+ * [10,15] bits: compress level
+ */
__le32 i_extra_end[0]; /* for attribute size calculation */
} __packed;
__le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */