Lines Matching defs:ext4_super_block
1105 struct ext4_super_block { struct
1106 /*00*/ __le32 s_inodes_count; /* Inodes count */
1107 __le32 s_blocks_count_lo; /* Blocks count */
1108 __le32 s_r_blocks_count_lo; /* Reserved blocks count */
1109 __le32 s_free_blocks_count_lo; /* Free blocks count */
1110 /*10*/ __le32 s_free_inodes_count; /* Free inodes count */
1111 __le32 s_first_data_block; /* First Data Block */
1112 __le32 s_log_block_size; /* Block size */
1113 __le32 s_log_cluster_size; /* Allocation cluster size */
1114 /*20*/ __le32 s_blocks_per_group; /* # Blocks per group */
1115 __le32 s_clusters_per_group; /* # Clusters per group */
1116 __le32 s_inodes_per_group; /* # Inodes per group */
1117 __le32 s_mtime; /* Mount time */
1118 /*30*/ __le32 s_wtime; /* Write time */
1119 __le16 s_mnt_count; /* Mount count */
1120 __le16 s_max_mnt_count; /* Maximal mount count */
1121 __le16 s_magic; /* Magic signature */
1122 __le16 s_state; /* File system state */
1123 __le16 s_errors; /* Behaviour when detecting errors */
1124 __le16 s_minor_rev_level; /* minor revision level */
1125 /*40*/ __le32 s_lastcheck; /* time of last check */
1126 __le32 s_checkinterval; /* max. time between checks */
1127 __le32 s_creator_os; /* OS */
1128 __le32 s_rev_level; /* Revision level */
1129 /*50*/ __le16 s_def_resuid; /* Default uid for reserved blocks */
1130 __le16 s_def_resgid; /* Default gid for reserved blocks */
1144 __le32 s_first_ino; /* First non-reserved inode */
1145 __le16 s_inode_size; /* size of inode structure */
1146 __le16 s_block_group_nr; /* block group # of this superblock */
1147 __le32 s_feature_compat; /* compatible feature set */
1148 /*60*/ __le32 s_feature_incompat; /* incompatible feature set */
1149 __le32 s_feature_ro_compat; /* readonly-compatible feature set */
1150 /*68*/ __u8 s_uuid[16]; /* 128-bit uuid for volume */
1151 /*78*/ char s_volume_name[16]; /* volume name */
1152 /*88*/ char s_last_mounted[64]; /* directory where last mounted */
1153 /*C8*/ __le32 s_algorithm_usage_bitmap; /* For compression */
1158 __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/
1159 __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */
1160 __le16 s_reserved_gdt_blocks; /* Per group desc for online growth */
1164 /*D0*/ __u8 s_journal_uuid[16]; /* uuid of journal superblock */
1165 /*E0*/ __le32 s_journal_inum; /* inode number of journal file */
1166 __le32 s_journal_dev; /* device number of journal file */
1167 __le32 s_last_orphan; /* start of list of inodes to delete */
1168 __le32 s_hash_seed[4]; /* HTREE hash seed */
1169 __u8 s_def_hash_version; /* Default hash version to use */
1170 __u8 s_jnl_backup_type;
1171 __le16 s_desc_size; /* size of group descriptor */
1172 /*100*/ __le32 s_default_mount_opts;
1173 __le32 s_first_meta_bg; /* First metablock block group */
1174 __le32 s_mkfs_time; /* When the filesystem was created */
1198 #define EXT4_S_ERR_START offsetof(struct ext4_super_block, s_error_count) argument
1210 #define EXT4_S_ERR_END offsetof(struct ext4_super_block, s_mount_opts) argument
1211 __u8 s_mount_opts[64];
1212 __le32 s_usr_quota_inum; /* inode for tracking user quota */
1213 __le32 s_grp_quota_inum; /* inode for tracking group quota */
1214 __le32 s_overhead_clusters; /* overhead blocks/clusters in fs */
1215 __le32 s_backup_bgs[2]; /* groups with sparse_super2 SBs */
1216 __u8 s_encrypt_algos[4]; /* Encryption algorithms in use */
1217 __u8 s_encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
1218 __le32 s_lpf_ino; /* Location of the lost+found inode */
1219 __le32 s_reserved[100]; /* Padding to the end of the block */
1220 __le32 s_checksum; /* crc32c(superblock) */