Lines Matching defs:journal_superblock_s
182 typedef struct journal_superblock_s struct
185 journal_header_t s_header;
189 __be32 s_blocksize; /* journal device blocksize */
190 __be32 s_maxlen; /* total blocks in journal file */
191 __be32 s_first; /* first block of log information */
195 __be32 s_sequence; /* first commit ID expected in log */
196 __be32 s_start; /* blocknr of start of log */
200 __s32 s_errno;
204 __be32 s_feature_compat; /* compatible feature set */
205 __be32 s_feature_incompat; /* incompatible feature set */
206 __be32 s_feature_ro_compat; /* readonly-compatible feature set */
208 __u8 s_uuid[16]; /* 128-bit uuid for journal */
211 __be32 s_nr_users; /* Nr of filesystems sharing log */
213 __be32 s_dynsuper; /* Blocknr of dynamic superblock copy*/
216 __be32 s_max_transaction; /* Limit of journal blocks per trans.*/
217 __be32 s_max_trans_data; /* Limit of data blocks per trans. */
220 __u8 s_checksum_type; /* checksum type */
221 __u8 s_padding2[3];
223 __be32 s_num_fc_blks; /* Number of fast commit blocks */
225 __be32 s_padding[41];
226 __be32 s_checksum; /* crc32c(superblock) */
229 __u8 s_users[JBD2_USERS_SIZE]; /* ids of all fs'es sharing the log */