| ext2fs.h (294504) | ext2fs.h (297335) |
|---|---|
| 1/*- 2 * modified for EXT2FS support in Lites 1.1 3 * 4 * Aug 1995, Godmar Back (gback@cs.utah.edu) 5 * University of Utah, Department of Computer Science 6 * | 1/*- 2 * modified for EXT2FS support in Lites 1.1 3 * 4 * Aug 1995, Godmar Back (gback@cs.utah.edu) 5 * University of Utah, Department of Computer Science 6 * |
| 7 * $FreeBSD: head/sys/fs/ext2fs/ext2fs.h 294504 2016-01-21 14:50:28Z pfg $ | 7 * $FreeBSD: head/sys/fs/ext2fs/ext2fs.h 297335 2016-03-28 07:44:55Z kevlo $ |
| 8 */ 9/*- 10 * Copyright (c) 2009 Aditya Sarawgi 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: --- 51 unchanged lines hidden (view full) --- 67 uint32_t e2fs_creator; /* creator OS */ 68 uint32_t e2fs_rev; /* revision level */ 69 uint16_t e2fs_ruid; /* default uid for reserved blocks */ 70 uint16_t e2fs_rgid; /* default gid for reserved blocks */ 71 /* EXT2_DYNAMIC_REV superblocks */ 72 uint32_t e2fs_first_ino; /* first non-reserved inode */ 73 uint16_t e2fs_inode_size; /* size of inode structure */ 74 uint16_t e2fs_block_group_nr; /* block grp number of this sblk*/ | 8 */ 9/*- 10 * Copyright (c) 2009 Aditya Sarawgi 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: --- 51 unchanged lines hidden (view full) --- 67 uint32_t e2fs_creator; /* creator OS */ 68 uint32_t e2fs_rev; /* revision level */ 69 uint16_t e2fs_ruid; /* default uid for reserved blocks */ 70 uint16_t e2fs_rgid; /* default gid for reserved blocks */ 71 /* EXT2_DYNAMIC_REV superblocks */ 72 uint32_t e2fs_first_ino; /* first non-reserved inode */ 73 uint16_t e2fs_inode_size; /* size of inode structure */ 74 uint16_t e2fs_block_group_nr; /* block grp number of this sblk*/ |
| 75 uint32_t e2fs_features_compat; /* compatible feature set */ | 75 uint32_t e2fs_features_compat; /* compatible feature set */ |
| 76 uint32_t e2fs_features_incompat; /* incompatible feature set */ 77 uint32_t e2fs_features_rocompat; /* RO-compatible feature set */ 78 uint8_t e2fs_uuid[16]; /* 128-bit uuid for volume */ 79 char e2fs_vname[16]; /* volume name */ 80 char e2fs_fsmnt[64]; /* name mounted on */ 81 uint32_t e2fs_algo; /* For compression */ 82 uint8_t e2fs_prealloc; /* # of blocks for old prealloc */ 83 uint8_t e2fs_dir_prealloc; /* # of blocks for old prealloc dirs */ 84 uint16_t e2fs_reserved_ngdb; /* # of reserved gd blocks for resize */ 85 char e3fs_journal_uuid[16]; /* uuid of journal superblock */ 86 uint32_t e3fs_journal_inum; /* inode number of journal file */ 87 uint32_t e3fs_journal_dev; /* device number of journal file */ 88 uint32_t e3fs_last_orphan; /* start of list of inodes to delete */ 89 uint32_t e3fs_hash_seed[4]; /* HTREE hash seed */ 90 char e3fs_def_hash_version; /* Default hash version to use */ | 76 uint32_t e2fs_features_incompat; /* incompatible feature set */ 77 uint32_t e2fs_features_rocompat; /* RO-compatible feature set */ 78 uint8_t e2fs_uuid[16]; /* 128-bit uuid for volume */ 79 char e2fs_vname[16]; /* volume name */ 80 char e2fs_fsmnt[64]; /* name mounted on */ 81 uint32_t e2fs_algo; /* For compression */ 82 uint8_t e2fs_prealloc; /* # of blocks for old prealloc */ 83 uint8_t e2fs_dir_prealloc; /* # of blocks for old prealloc dirs */ 84 uint16_t e2fs_reserved_ngdb; /* # of reserved gd blocks for resize */ 85 char e3fs_journal_uuid[16]; /* uuid of journal superblock */ 86 uint32_t e3fs_journal_inum; /* inode number of journal file */ 87 uint32_t e3fs_journal_dev; /* device number of journal file */ 88 uint32_t e3fs_last_orphan; /* start of list of inodes to delete */ 89 uint32_t e3fs_hash_seed[4]; /* HTREE hash seed */ 90 char e3fs_def_hash_version; /* Default hash version to use */ |
| 91 char e3fs_reserved_char_pad; | 91 char e3fs_jnl_backup_type; 92 uint16_t e3fs_desc_size; /* size of group descriptor */ |
| 92 uint32_t e3fs_default_mount_opts; 93 uint32_t e3fs_first_meta_bg; /* First metablock block group */ | 93 uint32_t e3fs_default_mount_opts; 94 uint32_t e3fs_first_meta_bg; /* First metablock block group */ |
| 94 uint32_t e3fs_mkfs_time; /* when the fs was created */ 95 uint32_t e3fs_jnl_blks[17]; /* backup of the journal inode */ 96 uint32_t e4fs_bcount_hi; /* block count */ 97 uint32_t e4fs_rbcount_hi; /* reserved blocks count */ 98 uint32_t e4fs_fbcount_hi; /* free blocks count */ 99 uint16_t e4fs_min_extra_isize;/* all inodes have at least some bytes */ | 95 uint32_t e3fs_mkfs_time; /* when the fs was created */ 96 uint32_t e3fs_jnl_blks[17]; /* backup of the journal inode */ 97 uint32_t e4fs_bcount_hi; /* high bits of blocks count */ 98 uint32_t e4fs_rbcount_hi; /* high bits of reserved blocks count */ 99 uint32_t e4fs_fbcount_hi; /* high bits of free blocks count */ 100 uint16_t e4fs_min_extra_isize; /* all inodes have at least some bytes */ |
| 100 uint16_t e4fs_want_extra_isize; /* inodes must reserve some bytes */ | 101 uint16_t e4fs_want_extra_isize; /* inodes must reserve some bytes */ |
| 101 uint32_t e4fs_flags; /* miscellaneous flags */ 102 uint16_t e4fs_raid_stride; /* RAID stride */ 103 uint16_t e4fs_mmpintv; /* number of seconds to wait in MMP checking */ 104 uint64_t e4fs_mmpblk; /* block for multi-mount protection */ 105 uint32_t e4fs_raid_stripe_wid;/* blocks on all data disks (N * stride) */ 106 uint8_t e4fs_log_gpf; /* FLEX_BG group size */ 107 uint8_t e4fs_char_pad2; 108 uint16_t e4fs_pad; 109 uint32_t reserved2[162]; /* Padding to the end of the block */ | 102 uint32_t e4fs_flags; /* miscellaneous flags */ 103 uint16_t e4fs_raid_stride; /* RAID stride */ 104 uint16_t e4fs_mmpintv; /* number of seconds to wait in MMP checking */ 105 uint64_t e4fs_mmpblk; /* block for multi-mount protection */ 106 uint32_t e4fs_raid_stripe_wid; /* blocks on all data disks (N * stride) */ 107 uint8_t e4fs_log_gpf; /* FLEX_BG group size */ 108 uint8_t e4fs_chksum_type; /* metadata checksum algorithm used */ 109 uint8_t e4fs_encrypt; /* versioning level for encryption */ 110 uint8_t e4fs_reserved_pad; 111 uint64_t e4fs_kbytes_written; /* number of lifetime kilobytes */ 112 uint32_t e4fs_snapinum; /* inode number of active snapshot */ 113 uint32_t e4fs_snapid; /* sequential ID of active snapshot */ 114 uint64_t e4fs_snaprbcount; /* reserved blocks for active snapshot */ 115 uint32_t e4fs_snaplist; /* inode number for on-disk snapshot */ 116 uint32_t e4fs_errcount; /* number of file system errors */ 117 uint32_t e4fs_first_errtime; /* first time an error happened */ 118 uint32_t e4fs_first_errino; /* inode involved in first error */ 119 uint64_t e4fs_first_errblk; /* block involved of first error */ 120 uint8_t e4fs_first_errfunc[32]; /* function where error happened */ 121 uint32_t e4fs_first_errline; /* line number where error happened */ 122 uint32_t e4fs_last_errtime; /* most recent time of an error */ 123 uint32_t e4fs_last_errino; /* inode involved in last error */ 124 uint32_t e4fs_last_errline; /* line number where error happened */ 125 uint64_t e4fs_last_errblk; /* block involved of last error */ 126 uint8_t e4fs_last_errfunc[32]; /* function where error happened */ 127 uint8_t e4fs_mount_opts[64]; 128 uint32_t e4fs_usrquota_inum; /* inode for tracking user quota */ 129 uint32_t e4fs_grpquota_inum; /* inode for tracking group quota */ 130 uint32_t e4fs_overhead_clusters; /* overhead blocks/clusters */ 131 uint32_t e4fs_backup_bgs[2]; /* groups with sparse_super2 SBs */ 132 uint8_t e4fs_encrypt_algos[4]; /* encryption algorithms in use */ 133 uint8_t e4fs_encrypt_pw_salt[16]; /* salt used for string2key */ 134 uint32_t e4fs_lpf_ino; /* location of the lost+found inode */ 135 uint32_t e4fs_proj_quota_inum; /* inode for tracking project quota */ 136 uint32_t e4fs_chksum_seed; /* checksum seed */ 137 uint32_t e4fs_reserved[98]; /* padding to the end of the block */ 138 uint32_t e4fs_sbchksum; /* superblock checksum */ |
| 110}; 111 112/* 113 * The path name on which the file system is mounted is maintained 114 * in fs_fsmnt. MAXMNTLEN defines the amount of space allocated in 115 * the super block for this name. 116 */ 117#define MAXMNTLEN 512 --- 185 unchanged lines hidden --- | 139}; 140 141/* 142 * The path name on which the file system is mounted is maintained 143 * in fs_fsmnt. MAXMNTLEN defines the amount of space allocated in 144 * the super block for this name. 145 */ 146#define MAXMNTLEN 512 --- 185 unchanged lines hidden --- |