#include <ext2fs/ext2_types.h> /* Changed from linux/types.h */
+#ifndef __GNUC_PREREQ
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+#define __GNUC_PREREQ(maj, min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+#define __GNUC_PREREQ(maj, min) 0
+#endif
+#endif
+
/*
* The second extended filesystem constants/structures
*/
#define EXT2_HASH_FLAG_INCOMPAT 0x1
+#define EXT4_DX_BLOCK_MASK 0x0fffffff
+
struct ext2_dx_entry {
__le32 hash;
__le32 block;
#define EXT2_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
+#define EXT4_VERITY_FL 0x00100000 /* Verity protected inode */
#define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
/* EXT4_EOFBLOCKS_FL 0x00400000 was here */
#define FS_NOCOW_FL 0x00800000 /* Do not cow file */
#define EXT4_SNAPFILE_DELETED_FL 0x04000000 /* Snapshot is being deleted */
#define EXT4_SNAPFILE_SHRUNK_FL 0x08000000 /* Snapshot shrink has completed */
#define EXT4_INLINE_DATA_FL 0x10000000 /* Inode has inline data */
+#define EXT4_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
+#define EXT4_CASEFOLD_FL 0x40000000 /* Casefolded file */
#define EXT2_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
-#define EXT2_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
-#define EXT2_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */
+#define EXT2_FL_USER_VISIBLE 0x604BDFFF /* User visible flags */
+#define EXT2_FL_USER_MODIFIABLE 0x604B80FF /* User modifiable flags */
/*
* ioctl commands
* Structure of an inode on the disk
*/
struct ext2_inode {
- __u16 i_mode; /* File mode */
+/*00*/ __u16 i_mode; /* File mode */
__u16 i_uid; /* Low 16 bits of Owner Uid */
__u32 i_size; /* Size in bytes */
__u32 i_atime; /* Access time */
__u32 i_ctime; /* Inode change time */
- __u32 i_mtime; /* Modification time */
+/*10*/ __u32 i_mtime; /* Modification time */
__u32 i_dtime; /* Deletion Time */
__u16 i_gid; /* Low 16 bits of Group Id */
__u16 i_links_count; /* Links count */
__u32 i_blocks; /* Blocks count */
- __u32 i_flags; /* File flags */
+/*20*/ __u32 i_flags; /* File flags */
union {
struct {
__u32 l_i_version; /* was l_i_reserved1 */
__u32 h_i_translator;
} hurd1;
} osd1; /* OS dependent 1 */
- __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
- __u32 i_generation; /* File version (for NFS) */
+/*28*/ __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
+/*64*/ __u32 i_generation; /* File version (for NFS) */
__u32 i_file_acl; /* File ACL */
- __u32 i_size_high; /* Formerly i_dir_acl, directory ACL */
- __u32 i_faddr; /* Fragment address */
+ __u32 i_size_high;
+/*70*/ __u32 i_faddr; /* Fragment address */
union {
struct {
__u16 l_i_blocks_hi;
* Permanent part of an large inode on the disk
*/
struct ext2_inode_large {
- __u16 i_mode; /* File mode */
+/*00*/ __u16 i_mode; /* File mode */
__u16 i_uid; /* Low 16 bits of Owner Uid */
__u32 i_size; /* Size in bytes */
__u32 i_atime; /* Access time */
__u32 i_ctime; /* Inode Change time */
- __u32 i_mtime; /* Modification time */
+/*10*/ __u32 i_mtime; /* Modification time */
__u32 i_dtime; /* Deletion Time */
__u16 i_gid; /* Low 16 bits of Group Id */
__u16 i_links_count; /* Links count */
__u32 i_blocks; /* Blocks count */
- __u32 i_flags; /* File flags */
+/*20*/ __u32 i_flags; /* File flags */
union {
struct {
__u32 l_i_version; /* was l_i_reserved1 */
__u32 h_i_translator;
} hurd1;
} osd1; /* OS dependent 1 */
- __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
- __u32 i_generation; /* File version (for NFS) */
+/*28*/ __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
+/*64*/ __u32 i_generation; /* File version (for NFS) */
__u32 i_file_acl; /* File ACL */
- __u32 i_size_high; /* Formerly i_dir_acl, directory ACL */
- __u32 i_faddr; /* Fragment address */
+ __u32 i_size_high;
+/*70*/ __u32 i_faddr; /* Fragment address */
union {
struct {
__u16 l_i_blocks_hi;
__u32 h_i_author;
} hurd2;
} osd2; /* OS dependent 2 */
- __u16 i_extra_isize;
+/*80*/ __u16 i_extra_isize;
__u16 i_checksum_hi; /* crc32c(uuid+inum+inode) */
__u32 i_ctime_extra; /* extra Change time (nsec << 2 | epoch) */
__u32 i_mtime_extra; /* extra Modification time (nsec << 2 | epoch) */
__u32 i_atime_extra; /* extra Access time (nsec << 2 | epoch) */
- __u32 i_crtime; /* File creation time */
+/*90*/ __u32 i_crtime; /* File creation time */
__u32 i_crtime_extra; /* extra File creation time (nsec << 2 | epoch)*/
__u32 i_version_hi; /* high 32 bits for 64-bit version */
+/*9c*/ __u32 i_projid; /* Project ID */
};
#define EXT4_INODE_CSUM_HI_EXTRA_END \
(offsetof(struct ext2_inode_large, i_checksum_hi) + sizeof(__u16) - \
EXT2_GOOD_OLD_INODE_SIZE)
-#define i_dir_acl i_size_high
+#define EXT4_EPOCH_BITS 2
+#define EXT4_EPOCH_MASK ((1 << EXT4_EPOCH_BITS) - 1)
#define i_checksum_lo osd2.linux2.l_i_checksum_lo
+#define inode_includes(size, field) \
+ (size >= (sizeof(((struct ext2_inode_large *)0)->field) + \
+ offsetof(struct ext2_inode_large, field)))
+
#if defined(__KERNEL__) || defined(__linux__)
#define i_reserved1 osd1.linux1.l_i_reserved1
#define i_frag osd2.linux2.l_i_frag
#define inode_uid(inode) ((inode).i_uid | (inode).osd2.linux2.l_i_uid_high << 16)
#define inode_gid(inode) ((inode).i_gid | (inode).osd2.linux2.l_i_gid_high << 16)
+#define inode_projid(inode) ((inode).i_projid)
#define ext2fs_set_i_uid_high(inode,x) ((inode).osd2.linux2.l_i_uid_high = (x))
#define ext2fs_set_i_gid_high(inode,x) ((inode).osd2.linux2.l_i_gid_high = (x))
+static inline
+struct ext2_inode *EXT2_INODE(struct ext2_inode_large *large_inode)
+{
+ return (struct ext2_inode *) large_inode;
+}
+
/*
* File system states
*/
#define EXT4_MAX_SALT_SIZE 256
#define EXT4_PBKDF2_ITERATIONS 0xFFFF
+#define EXT2_LABEL_LEN 16
+
/*
* Policy provided via an ioctl on the topmost directory. This
* structure is also in the kernel.
* Structure of the super block
*/
struct ext2_super_block {
- __u32 s_inodes_count; /* Inodes count */
+/*000*/ __u32 s_inodes_count; /* Inodes count */
__u32 s_blocks_count; /* Blocks count */
__u32 s_r_blocks_count; /* Reserved blocks count */
__u32 s_free_blocks_count; /* Free blocks count */
- __u32 s_free_inodes_count; /* Free inodes count */
+/*010*/ __u32 s_free_inodes_count; /* Free inodes count */
__u32 s_first_data_block; /* First Data Block */
__u32 s_log_block_size; /* Block size */
__u32 s_log_cluster_size; /* Allocation cluster size */
- __u32 s_blocks_per_group; /* # Blocks per group */
+/*020*/ __u32 s_blocks_per_group; /* # Blocks per group */
__u32 s_clusters_per_group; /* # Fragments per group */
__u32 s_inodes_per_group; /* # Inodes per group */
__u32 s_mtime; /* Mount time */
- __u32 s_wtime; /* Write time */
+/*030*/ __u32 s_wtime; /* Write time */
__u16 s_mnt_count; /* Mount count */
__s16 s_max_mnt_count; /* Maximal mount count */
__u16 s_magic; /* Magic signature */
__u16 s_state; /* File system state */
__u16 s_errors; /* Behaviour when detecting errors */
__u16 s_minor_rev_level; /* minor revision level */
- __u32 s_lastcheck; /* time of last check */
+/*040*/ __u32 s_lastcheck; /* time of last check */
__u32 s_checkinterval; /* max. time between checks */
__u32 s_creator_os; /* OS */
__u32 s_rev_level; /* Revision level */
- __u16 s_def_resuid; /* Default uid for reserved blocks */
+/*050*/ __u16 s_def_resuid; /* Default uid for reserved blocks */
__u16 s_def_resgid; /* Default gid for reserved blocks */
/*
* These fields are for EXT2_DYNAMIC_REV superblocks only.
__u16 s_inode_size; /* size of inode structure */
__u16 s_block_group_nr; /* block group # of this superblock */
__u32 s_feature_compat; /* compatible feature set */
- __u32 s_feature_incompat; /* incompatible feature set */
+/*060*/ __u32 s_feature_incompat; /* incompatible feature set */
__u32 s_feature_ro_compat; /* readonly-compatible feature set */
- __u8 s_uuid[16]; /* 128-bit uuid for volume */
- char s_volume_name[16]; /* volume name */
- char s_last_mounted[64]; /* directory where last mounted */
- __u32 s_algorithm_usage_bitmap; /* For compression */
+/*068*/ __u8 s_uuid[16]; /* 128-bit uuid for volume */
+/*078*/ char s_volume_name[EXT2_LABEL_LEN]; /* volume name */
+/*088*/ char s_last_mounted[64]; /* directory where last mounted */
+/*0c8*/ __u32 s_algorithm_usage_bitmap; /* For compression */
/*
* Performance hints. Directory preallocation should only
* happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on.
/*
* Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set.
*/
- __u8 s_journal_uuid[16]; /* uuid of journal superblock */
- __u32 s_journal_inum; /* inode number of journal file */
+/*0d0*/ __u8 s_journal_uuid[16]; /* uuid of journal superblock */
+/*0e0*/ __u32 s_journal_inum; /* inode number of journal file */
__u32 s_journal_dev; /* device number of journal file */
__u32 s_last_orphan; /* start of list of inodes to delete */
- __u32 s_hash_seed[4]; /* HTREE hash seed */
- __u8 s_def_hash_version; /* Default hash version to use */
- __u8 s_jnl_backup_type; /* Default type of journal backup */
+/*0ec*/ __u32 s_hash_seed[4]; /* HTREE hash seed */
+/*0fc*/ __u8 s_def_hash_version; /* Default hash version to use */
+ __u8 s_jnl_backup_type; /* Default type of journal backup */
__u16 s_desc_size; /* Group desc. size: INCOMPAT_64BIT */
- __u32 s_default_mount_opts;
+/*100*/ __u32 s_default_mount_opts; /* default EXT2_MOUNT_* flags used */
__u32 s_first_meta_bg; /* First metablock group */
__u32 s_mkfs_time; /* When the filesystem was created */
- __u32 s_jnl_blocks[17]; /* Backup of the journal inode */
- __u32 s_blocks_count_hi; /* Blocks count high 32bits */
+/*10c*/ __u32 s_jnl_blocks[17]; /* Backup of the journal inode */
+/*150*/ __u32 s_blocks_count_hi; /* Blocks count high 32bits */
__u32 s_r_blocks_count_hi; /* Reserved blocks count high 32 bits*/
- __u32 s_free_blocks_hi; /* Free blocks count */
+ __u32 s_free_blocks_hi; /* Free blocks count */
__u16 s_min_extra_isize; /* All inodes have at least # bytes */
- __u16 s_want_extra_isize; /* New inodes should reserve # bytes */
- __u32 s_flags; /* Miscellaneous flags */
- __u16 s_raid_stride; /* RAID stride */
- __u16 s_mmp_update_interval; /* # seconds to wait in MMP checking */
- __u64 s_mmp_block; /* Block for multi-mount protection */
- __u32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/
+ __u16 s_want_extra_isize; /* New inodes should reserve # bytes */
+/*160*/ __u32 s_flags; /* Miscellaneous flags */
+ __u16 s_raid_stride; /* RAID stride in blocks */
+ __u16 s_mmp_update_interval; /* # seconds to wait in MMP checking */
+ __u64 s_mmp_block; /* Block for multi-mount protection */
+/*170*/ __u32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/
__u8 s_log_groups_per_flex; /* FLEX_BG group size */
- __u8 s_checksum_type; /* metadata checksum algorithm */
+ __u8 s_checksum_type; /* metadata checksum algorithm */
__u8 s_encryption_level; /* versioning level for encryption */
__u8 s_reserved_pad; /* Padding to next 32bits */
__u64 s_kbytes_written; /* nr of lifetime kilobytes written */
- __u32 s_snapshot_inum; /* Inode number of active snapshot */
+/*180*/ __u32 s_snapshot_inum; /* Inode number of active snapshot */
__u32 s_snapshot_id; /* sequential ID of active snapshot */
- __u64 s_snapshot_r_blocks_count; /* reserved blocks for active
- snapshot's future use */
- __u32 s_snapshot_list; /* inode number of the head of the on-disk snapshot list */
+ __u64 s_snapshot_r_blocks_count; /* active snapshot reserved blocks */
+/*190*/ __u32 s_snapshot_list; /* inode number of disk snapshot list */
#define EXT4_S_ERR_START ext4_offsetof(struct ext2_super_block, s_error_count)
__u32 s_error_count; /* number of fs errors */
__u32 s_first_error_time; /* first time an error happened */
__u32 s_first_error_ino; /* inode involved in first error */
- __u64 s_first_error_block; /* block involved of first error */
+/*1a0*/ __u64 s_first_error_block; /* block involved in first error */
__u8 s_first_error_func[32]; /* function where the error happened */
- __u32 s_first_error_line; /* line number where error happened */
+/*1c8*/ __u32 s_first_error_line; /* line number where error happened */
__u32 s_last_error_time; /* most recent time of an error */
- __u32 s_last_error_ino; /* inode involved in last error */
+/*1d0*/ __u32 s_last_error_ino; /* inode involved in last error */
__u32 s_last_error_line; /* line number where error happened */
__u64 s_last_error_block; /* block involved of last error */
- __u8 s_last_error_func[32]; /* function where the error happened */
+/*1e0*/ __u8 s_last_error_func[32]; /* function where the error happened */
#define EXT4_S_ERR_END ext4_offsetof(struct ext2_super_block, s_mount_opts)
- __u8 s_mount_opts[64];
- __u32 s_usr_quota_inum; /* inode number of user quota file */
+/*200*/ __u8 s_mount_opts[64];
+/*240*/ __u32 s_usr_quota_inum; /* inode number of user quota file */
__u32 s_grp_quota_inum; /* inode number of group quota file */
__u32 s_overhead_blocks; /* overhead blocks/clusters in fs */
- __u32 s_backup_bgs[2]; /* If sparse_super2 enabled */
- __u8 s_encrypt_algos[4]; /* Encryption algorithms in use */
- __u8 s_encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
- __le32 s_lpf_ino; /* Location of the lost+found inode */
- __le32 s_reserved[100]; /* Padding to the end of the block */
- __u32 s_checksum; /* crc32c(superblock) */
+/*24c*/ __u32 s_backup_bgs[2]; /* If sparse_super2 enabled */
+/*254*/ __u8 s_encrypt_algos[4]; /* Encryption algorithms in use */
+/*258*/ __u8 s_encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
+/*268*/ __le32 s_lpf_ino; /* Location of the lost+found inode */
+ __le32 s_prj_quota_inum; /* inode for tracking project quota */
+/*270*/ __le32 s_checksum_seed; /* crc32c(orig_uuid) if csum_seed set */
+/*274*/ __u8 s_wtime_hi;
+ __u8 s_mtime_hi;
+ __u8 s_mkfs_time_hi;
+ __u8 s_lastcheck_hi;
+ __u8 s_first_error_time_hi;
+ __u8 s_last_error_time_hi;
+ __u8 s_pad[2];
+/*27c*/ __le16 s_encoding; /* Filename charset encoding */
+ __le16 s_encoding_flags; /* Filename charset encoding flags */
+ __le32 s_reserved[95]; /* Padding to the end of the block */
+/*3fc*/ __u32 s_checksum; /* crc32c(superblock) */
};
#define EXT4_S_ERR_LEN (EXT4_S_ERR_END - EXT4_S_ERR_START)
#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400
#define EXT4_FEATURE_RO_COMPAT_REPLICA 0x0800
#define EXT4_FEATURE_RO_COMPAT_READONLY 0x1000
-
+#define EXT4_FEATURE_RO_COMPAT_PROJECT 0x2000 /* Project quota */
+#define EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS 0x4000
+#define EXT4_FEATURE_RO_COMPAT_VERITY 0x8000
#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001
#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002
#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200
#define EXT4_FEATURE_INCOMPAT_EA_INODE 0x0400
#define EXT4_FEATURE_INCOMPAT_DIRDATA 0x1000
-/* 0x2000 was EXT4_FEATURE_INCOMPAT_BG_USE_META_CSUM but this was never used */
+#define EXT4_FEATURE_INCOMPAT_CSUM_SEED 0x2000
#define EXT4_FEATURE_INCOMPAT_LARGEDIR 0x4000 /* >2GB or 3-lvl htree */
#define EXT4_FEATURE_INCOMPAT_INLINE_DATA 0x8000 /* data in inode */
#define EXT4_FEATURE_INCOMPAT_ENCRYPT 0x10000
+#define EXT4_FEATURE_INCOMPAT_FNAME_ENCODING 0x20000
#define EXT4_FEATURE_COMPAT_FUNCS(name, ver, flagname) \
static inline int ext2fs_has_feature_##name(struct ext2_super_block *sb) \
EXT4_FEATURE_RO_COMPAT_FUNCS(metadata_csum, 4, METADATA_CSUM)
EXT4_FEATURE_RO_COMPAT_FUNCS(replica, 4, REPLICA)
EXT4_FEATURE_RO_COMPAT_FUNCS(readonly, 4, READONLY)
+EXT4_FEATURE_RO_COMPAT_FUNCS(project, 4, PROJECT)
+EXT4_FEATURE_RO_COMPAT_FUNCS(shared_blocks, 4, SHARED_BLOCKS)
+EXT4_FEATURE_RO_COMPAT_FUNCS(verity, 4, VERITY)
EXT4_FEATURE_INCOMPAT_FUNCS(compression, 2, COMPRESSION)
EXT4_FEATURE_INCOMPAT_FUNCS(filetype, 2, FILETYPE)
EXT4_FEATURE_INCOMPAT_FUNCS(flex_bg, 4, FLEX_BG)
EXT4_FEATURE_INCOMPAT_FUNCS(ea_inode, 4, EA_INODE)
EXT4_FEATURE_INCOMPAT_FUNCS(dirdata, 4, DIRDATA)
+EXT4_FEATURE_INCOMPAT_FUNCS(csum_seed, 4, CSUM_SEED)
EXT4_FEATURE_INCOMPAT_FUNCS(largedir, 4, LARGEDIR)
EXT4_FEATURE_INCOMPAT_FUNCS(inline_data, 4, INLINE_DATA)
EXT4_FEATURE_INCOMPAT_FUNCS(encrypt, 4, ENCRYPT)
+EXT4_FEATURE_INCOMPAT_FUNCS(fname_encoding, 4, FNAME_ENCODING)
#define EXT2_FEATURE_COMPAT_SUPP 0
#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \
- EXT4_FEATURE_INCOMPAT_MMP)
+ EXT4_FEATURE_INCOMPAT_MMP| \
+ EXT4_FEATURE_INCOMPAT_LARGEDIR| \
+ EXT4_FEATURE_INCOMPAT_EA_INODE)
#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
EXT4_FEATURE_RO_COMPAT_DIR_NLINK| \
- EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+ EXT2_FEATURE_RO_COMPAT_BTREE_DIR| \
+ EXT4_FEATURE_RO_COMPAT_VERITY)
/*
* Default values for user and/or group using reserved blocks
* bigger than 255 chars, it's safe to reclaim the extra byte for the
* file_type field.
*
- * This structure is deprecated due to endianity issues. Please use struct
+ * This structure is deprecated due to endian issues. Please use struct
* ext2_dir_entry and accessor functions
* ext2fs_dirent_name_len
* ext2fs_dirent_set_name_len
EXT2_DIR_ROUND) & \
~EXT2_DIR_ROUND)
+/*
+ * Constants for ext4's extended time encoding
+ */
+#define EXT4_EPOCH_BITS 2
+#define EXT4_EPOCH_MASK ((1 << EXT4_EPOCH_BITS) - 1)
+#define EXT4_NSEC_MASK (~0UL << EXT4_EPOCH_BITS)
+
/*
* This structure is used for multiple mount protection. It is written
* into the block number saved in the s_mmp_block field in the superblock.
* regardless of how old the timestamp is.
*
* The timestamp in the MMP structure will be updated by e2fsck at some
- * arbitary intervals (start of passes, after every few groups of inodes
+ * arbitrary intervals (start of passes, after every few groups of inodes
* in pass1 and pass1b). There is no guarantee that e2fsck is updating
* the MMP block in a timely manner, and the updates it does are purely
* for the convenience of the sysadmin and not for automatic validation.
*/
#define EXT4_INLINE_DATA_DOTDOT_SIZE (4)
+#define EXT4_ENC_ASCII 0
+#define EXT4_ENC_UTF8_11_0 1
+
+#define EXT4_ENC_STRICT_MODE_FL (1 << 0) /* Reject invalid sequences */
+#define EXT4_UTF8_NORMALIZATION_TYPE_NFKD (1 << 1)
+#define EXT4_UTF8_CASEFOLD_TYPE_NFKDCF (1 << 4)
+
#endif /* _LINUX_EXT2_FS_H */
projects / thirdparty / e2fsprogs.git / blobdiff