Lines Matching defs:ext2_super_block
640 struct ext2_super_block { struct
641 /*000*/ __u32 s_inodes_count; /* Inodes count */
642 __u32 s_blocks_count; /* Blocks count */
643 __u32 s_r_blocks_count; /* Reserved blocks count */
644 __u32 s_free_blocks_count; /* Free blocks count */
645 /*010*/ __u32 s_free_inodes_count; /* Free inodes count */
646 __u32 s_first_data_block; /* First Data Block */
647 __u32 s_log_block_size; /* Block size */
648 __u32 s_log_cluster_size; /* Allocation cluster size */
649 /*020*/ __u32 s_blocks_per_group; /* # Blocks per group */
650 __u32 s_clusters_per_group; /* # Fragments per group */
651 __u32 s_inodes_per_group; /* # Inodes per group */
652 __u32 s_mtime; /* Mount time */
653 /*030*/ __u32 s_wtime; /* Write time */
654 __u16 s_mnt_count; /* Mount count */
655 __s16 s_max_mnt_count; /* Maximal mount count */
656 __u16 s_magic; /* Magic signature */
657 __u16 s_state; /* File system state */
658 __u16 s_errors; /* Behaviour when detecting errors */
659 __u16 s_minor_rev_level; /* minor revision level */
660 /*040*/ __u32 s_lastcheck; /* time of last check */
661 __u32 s_checkinterval; /* max. time between checks */
662 __u32 s_creator_os; /* OS */
663 __u32 s_rev_level; /* Revision level */
664 /*050*/ __u16 s_def_resuid; /* Default uid for reserved blocks */
665 __u16 s_def_resgid; /* Default gid for reserved blocks */
679 __u32 s_first_ino; /* First non-reserved inode */
680 __u16 s_inode_size; /* size of inode structure */
681 __u16 s_block_group_nr; /* block group # of this superblock */
682 __u32 s_feature_compat; /* compatible feature set */
683 /*060*/ __u32 s_feature_incompat; /* incompatible feature set */
684 __u32 s_feature_ro_compat; /* readonly-compatible feature set */
685 /*068*/ __u8 s_uuid[16]; /* 128-bit uuid for volume */
686 /*078*/ char s_volume_name[EXT2_LABEL_LEN]; /* volume name */
687 /*088*/ char s_last_mounted[64]; /* directory where last mounted */
688 /*0c8*/ __u32 s_algorithm_usage_bitmap; /* For compression */
693 __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/
694 __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */
695 __u16 s_reserved_gdt_blocks; /* Per group table for online growth */
699 /*0d0*/ __u8 s_journal_uuid[16]; /* uuid of journal superblock */
700 /*0e0*/ __u32 s_journal_inum; /* inode number of journal file */
701 __u32 s_journal_dev; /* device number of journal file */
702 __u32 s_last_orphan; /* start of list of inodes to delete */
703 /*0ec*/ __u32 s_hash_seed[4]; /* HTREE hash seed */
704 /*0fc*/ __u8 s_def_hash_version; /* Default hash version to use */
705 __u8 s_jnl_backup_type; /* Default type of journal backup */
706 __u16 s_desc_size; /* Group desc. size: INCOMPAT_64BIT */
730 #define EXT4_S_ERR_START ext4_offsetof(struct ext2_super_block, s_error_count) argument
742 #define EXT4_S_ERR_END ext4_offsetof(struct ext2_super_block, s_mount_opts) argument
743 /*200*/ __u8 s_mount_opts[64];
744 /*240*/ __u32 s_usr_quota_inum; /* inode number of user quota file */
745 __u32 s_grp_quota_inum; /* inode number of group quota file */
746 __u32 s_overhead_blocks; /* overhead blocks/clusters in fs */
747 /*24c*/ __u32 s_backup_bgs[2]; /* If sparse_super2 enabled */
748 /*254*/ __u8 s_encrypt_algos[4]; /* Encryption algorithms in use */
749 /*258*/ __u8 s_encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
750 /*268*/ __le32 s_lpf_ino; /* Location of the lost+found inode */
751 __le32 s_prj_quota_inum; /* inode for tracking project quota */
752 /*270*/ __le32 s_checksum_seed; /* crc32c(orig_uuid) if csum_seed set */
753 /*274*/ __u8 s_wtime_hi;
754 __u8 s_mtime_hi;
755 __u8 s_mkfs_time_hi;
756 __u8 s_lastcheck_hi;
757 __u8 s_first_error_time_hi;
758 __u8 s_last_error_time_hi;
759 __u8 s_pad[2];
760 /*27c*/ __le16 s_encoding; /* Filename charset encoding */
761 __le16 s_encoding_flags; /* Filename charset encoding flags */
762 __le32 s_reserved[95]; /* Padding to the end of the block */
763 /*3fc*/ __u32 s_checksum; /* crc32c(superblock) */