Data Structures
struct	ubifs_ch

union	ubifs_dev_desc

struct	ubifs_ino_node

struct	ubifs_dent_node

struct	ubifs_data_node

struct	ubifs_trun_node

struct	ubifs_pad_node

struct	ubifs_sb_node

struct	ubifs_mst_node

struct	ubifs_ref_node

struct	ubifs_branch

struct	ubifs_idx_node

struct	ubifs_cs_node

struct	ubifs_orph_node

Macros
#define	UBIFS_NODE_MAGIC 0x06101831

#define	UBIFS_FORMAT_VERSION 4

#define	UBIFS_RO_COMPAT_VERSION 0

#define	UBIFS_MIN_LEB_SZ (15*1024)

#define	UBIFS_CRC32_INIT 0xFFFFFFFFU

#define	UBIFS_MIN_COMPR_LEN 128

#define	UBIFS_MIN_COMPRESS_DIFF 64

#define	UBIFS_ROOT_INO 1

#define	UBIFS_FIRST_INO 64

#define	UBIFS_MAX_NLEN 255

#define	UBIFS_MAX_JHEADS 1

#define	UBIFS_BLOCK_SIZE 4096

#define	UBIFS_BLOCK_SHIFT 12

#define	UBIFS_PADDING_BYTE 0xCE

#define	UBIFS_MAX_KEY_LEN 16

#define	UBIFS_SK_LEN 8

#define	UBIFS_MIN_FANOUT 3

#define	UBIFS_MAX_LEVELS 512

#define	UBIFS_MAX_INO_DATA UBIFS_BLOCK_SIZE

#define	UBIFS_LPT_FANOUT 4

#define	UBIFS_LPT_FANOUT_SHIFT 2

#define	UBIFS_LPT_CRC_BITS 16

#define	UBIFS_LPT_CRC_BYTES 2

#define	UBIFS_LPT_TYPE_BITS 4

#define	UBIFS_KEY_OFFSET offsetof(struct ubifs_ino_node, key)

#define	UBIFS_GC_HEAD 0

#define	UBIFS_BASE_HEAD 1

#define	UBIFS_DATA_HEAD 2

#define	UBIFS_S_KEY_BLOCK_BITS 29

#define	UBIFS_S_KEY_BLOCK_MASK 0x1FFFFFFF

#define	UBIFS_S_KEY_HASH_BITS UBIFS_S_KEY_BLOCK_BITS

#define	UBIFS_S_KEY_HASH_MASK UBIFS_S_KEY_BLOCK_MASK

#define	UBIFS_SB_LEBS 1

#define	UBIFS_MST_LEBS 2

#define	UBIFS_SB_LNUM 0

#define	UBIFS_MST_LNUM (UBIFS_SB_LNUM + UBIFS_SB_LEBS)

#define	UBIFS_LOG_LNUM (UBIFS_MST_LNUM + UBIFS_MST_LEBS)

#define	UBIFS_MIN_LOG_LEBS 2

#define	UBIFS_MIN_BUD_LEBS 3

#define	UBIFS_MIN_JNL_LEBS (UBIFS_MIN_LOG_LEBS + UBIFS_MIN_BUD_LEBS)

#define	UBIFS_MIN_LPT_LEBS 2

#define	UBIFS_MIN_ORPH_LEBS 1

#define	UBIFS_MIN_MAIN_LEBS (UBIFS_MIN_BUD_LEBS + 6)

#define	UBIFS_MIN_LEB_CNT

#define	UBIFS_CH_SZ sizeof(struct ubifs_ch)

#define	UBIFS_INO_NODE_SZ sizeof(struct ubifs_ino_node)

#define	UBIFS_DATA_NODE_SZ sizeof(struct ubifs_data_node)

#define	UBIFS_DENT_NODE_SZ sizeof(struct ubifs_dent_node)

#define	UBIFS_TRUN_NODE_SZ sizeof(struct ubifs_trun_node)

#define	UBIFS_PAD_NODE_SZ sizeof(struct ubifs_pad_node)

#define	UBIFS_SB_NODE_SZ sizeof(struct ubifs_sb_node)

#define	UBIFS_MST_NODE_SZ sizeof(struct ubifs_mst_node)

#define	UBIFS_REF_NODE_SZ sizeof(struct ubifs_ref_node)

#define	UBIFS_IDX_NODE_SZ sizeof(struct ubifs_idx_node)

#define	UBIFS_CS_NODE_SZ sizeof(struct ubifs_cs_node)

#define	UBIFS_ORPH_NODE_SZ sizeof(struct ubifs_orph_node)

#define	UBIFS_XENT_NODE_SZ UBIFS_DENT_NODE_SZ

#define	UBIFS_BRANCH_SZ sizeof(struct ubifs_branch)

#define	UBIFS_MAX_DATA_NODE_SZ (UBIFS_DATA_NODE_SZ + UBIFS_BLOCK_SIZE)

#define	UBIFS_MAX_INO_NODE_SZ (UBIFS_INO_NODE_SZ + UBIFS_MAX_INO_DATA)

#define	UBIFS_MAX_DENT_NODE_SZ (UBIFS_DENT_NODE_SZ + UBIFS_MAX_NLEN + 1)

#define	UBIFS_MAX_XENT_NODE_SZ UBIFS_MAX_DENT_NODE_SZ

#define	UBIFS_MAX_NODE_SZ UBIFS_MAX_INO_NODE_SZ

#define	UBIFS_FL_MASK 0x0000001F

Enumerations
enum	{ UBIFS_LPT_PNODE, UBIFS_LPT_NNODE, UBIFS_LPT_LTAB, UBIFS_LPT_LSAVE, UBIFS_LPT_NODE_CNT, UBIFS_LPT_NOT_A_NODE = (1 << UBIFS_LPT_TYPE_BITS) - 1 }

enum	{ UBIFS_ITYPE_REG, UBIFS_ITYPE_DIR, UBIFS_ITYPE_LNK, UBIFS_ITYPE_BLK, UBIFS_ITYPE_CHR, UBIFS_ITYPE_FIFO, UBIFS_ITYPE_SOCK, UBIFS_ITYPES_CNT }

enum	{ UBIFS_KEY_HASH_R5, UBIFS_KEY_HASH_TEST }

enum	{ UBIFS_SIMPLE_KEY_FMT }

enum	{ UBIFS_INO_KEY, UBIFS_DATA_KEY, UBIFS_DENT_KEY, UBIFS_XENT_KEY, UBIFS_KEY_TYPES_CNT }

enum	{ UBIFS_COMPR_FL = 0x01, UBIFS_SYNC_FL = 0x02, UBIFS_IMMUTABLE_FL = 0x04, UBIFS_APPEND_FL = 0x08, UBIFS_DIRSYNC_FL = 0x10, UBIFS_XATTR_FL = 0x20 }

enum	{ UBIFS_COMPR_NONE, UBIFS_COMPR_LZO, UBIFS_COMPR_ZLIB, UBIFS_COMPR_TYPES_CNT }

enum	{ UBIFS_INO_NODE, UBIFS_DATA_NODE, UBIFS_DENT_NODE, UBIFS_XENT_NODE, UBIFS_TRUN_NODE, UBIFS_PAD_NODE, UBIFS_SB_NODE, UBIFS_MST_NODE, UBIFS_REF_NODE, UBIFS_IDX_NODE, UBIFS_CS_NODE, UBIFS_ORPH_NODE, UBIFS_NODE_TYPES_CNT }

enum	{ UBIFS_MST_DIRTY = 1, UBIFS_MST_NO_ORPHS = 2, UBIFS_MST_RCVRY = 4 }

enum	{ UBIFS_NO_NODE_GROUP = 0, UBIFS_IN_NODE_GROUP, UBIFS_LAST_OF_NODE_GROUP }

enum	{ UBIFS_FLG_BIGLPT = 0x02, UBIFS_FLG_SPACE_FIXUP = 0x04 }

Variables
: zero-terminated name
struct ubifs_dent_node - directory entry node. : common header : node key : target inode number : reserved for future, zeroes : type of the target inode (UBIFS_ITYPE_REG, UBIFS_ITYPE_DIR, etc) : name length : reserved for future, zeroes Note, do not forget to amend 'zero_dent_node_unused()' function when changing the padding fields.
struct ubifs_ch	__packed

Macro Definition Documentation

#define UBIFS_BASE_HEAD 1

Definition at line 141 of file ubifs-media.h.

#define UBIFS_BLOCK_SHIFT 12

Definition at line 106 of file ubifs-media.h.

#define UBIFS_BLOCK_SIZE 4096

Definition at line 105 of file ubifs-media.h.

#define UBIFS_BRANCH_SZ sizeof(struct ubifs_branch)

Definition at line 292 of file ubifs-media.h.

#define UBIFS_CH_SZ sizeof(struct ubifs_ch)

Definition at line 277 of file ubifs-media.h.

#define UBIFS_CRC32_INIT 0xFFFFFFFFU

Definition at line 68 of file ubifs-media.h.

#define UBIFS_CS_NODE_SZ sizeof(struct ubifs_cs_node)

Definition at line 287 of file ubifs-media.h.

#define UBIFS_DATA_HEAD 2

Definition at line 143 of file ubifs-media.h.

#define UBIFS_DATA_NODE_SZ sizeof(struct ubifs_data_node)

Definition at line 279 of file ubifs-media.h.

#define UBIFS_DENT_NODE_SZ sizeof(struct ubifs_dent_node)

Definition at line 280 of file ubifs-media.h.

#define UBIFS_FIRST_INO 64

Definition at line 87 of file ubifs-media.h.

#define UBIFS_FL_MASK 0x0000001F

Definition at line 327 of file ubifs-media.h.

#define UBIFS_FORMAT_VERSION 4

Definition at line 49 of file ubifs-media.h.

#define UBIFS_GC_HEAD 0

Definition at line 139 of file ubifs-media.h.

#define UBIFS_IDX_NODE_SZ sizeof(struct ubifs_idx_node)

Definition at line 286 of file ubifs-media.h.

#define UBIFS_INO_NODE_SZ sizeof(struct ubifs_ino_node)

Definition at line 278 of file ubifs-media.h.

#define UBIFS_KEY_OFFSET offsetof(struct ubifs_ino_node, key)

Definition at line 136 of file ubifs-media.h.

#define UBIFS_LOG_LNUM (UBIFS_MST_LNUM + UBIFS_MST_LEBS)

Definition at line 243 of file ubifs-media.h.

#define UBIFS_LPT_CRC_BITS 16

Definition at line 131 of file ubifs-media.h.

#define UBIFS_LPT_CRC_BYTES 2

Definition at line 132 of file ubifs-media.h.

#define UBIFS_LPT_FANOUT 4

Definition at line 127 of file ubifs-media.h.

#define UBIFS_LPT_FANOUT_SHIFT 2

Definition at line 128 of file ubifs-media.h.

#define UBIFS_LPT_TYPE_BITS 4

Definition at line 133 of file ubifs-media.h.

#define UBIFS_MAX_DATA_NODE_SZ (UBIFS_DATA_NODE_SZ + UBIFS_BLOCK_SIZE)

Definition at line 295 of file ubifs-media.h.

#define UBIFS_MAX_DENT_NODE_SZ (UBIFS_DENT_NODE_SZ + UBIFS_MAX_NLEN + 1)

Definition at line 297 of file ubifs-media.h.

#define UBIFS_MAX_INO_DATA UBIFS_BLOCK_SIZE

Definition at line 124 of file ubifs-media.h.

#define UBIFS_MAX_INO_NODE_SZ (UBIFS_INO_NODE_SZ + UBIFS_MAX_INO_DATA)

Definition at line 296 of file ubifs-media.h.

#define UBIFS_MAX_JHEADS 1

Definition at line 96 of file ubifs-media.h.

#define UBIFS_MAX_KEY_LEN 16

Definition at line 112 of file ubifs-media.h.

#define UBIFS_MAX_LEVELS 512

Definition at line 121 of file ubifs-media.h.

#define UBIFS_MAX_NLEN 255

Definition at line 93 of file ubifs-media.h.

#define UBIFS_MAX_NODE_SZ UBIFS_MAX_INO_NODE_SZ

Definition at line 301 of file ubifs-media.h.

#define UBIFS_MAX_XENT_NODE_SZ UBIFS_MAX_DENT_NODE_SZ

Definition at line 298 of file ubifs-media.h.

#define UBIFS_MIN_BUD_LEBS 3

Definition at line 258 of file ubifs-media.h.

#define UBIFS_MIN_COMPR_LEN 128

Definition at line 74 of file ubifs-media.h.

#define UBIFS_MIN_COMPRESS_DIFF 64

Definition at line 81 of file ubifs-media.h.

#define UBIFS_MIN_FANOUT 3

Definition at line 118 of file ubifs-media.h.

#define UBIFS_MIN_JNL_LEBS (UBIFS_MIN_LOG_LEBS + UBIFS_MIN_BUD_LEBS)

Definition at line 260 of file ubifs-media.h.

#define UBIFS_MIN_LEB_CNT

Value:

(UBIFS_SB_LEBS + UBIFS_MST_LEBS + \
               UBIFS_MIN_LOG_LEBS + UBIFS_MIN_LPT_LEBS + \
               UBIFS_MIN_ORPH_LEBS + UBIFS_MIN_MAIN_LEBS)

Definition at line 272 of file ubifs-media.h.

#define UBIFS_MIN_LEB_SZ (15*1024)

Definition at line 65 of file ubifs-media.h.

#define UBIFS_MIN_LOG_LEBS 2

Definition at line 256 of file ubifs-media.h.

#define UBIFS_MIN_LPT_LEBS 2

Definition at line 262 of file ubifs-media.h.

#define UBIFS_MIN_MAIN_LEBS (UBIFS_MIN_BUD_LEBS + 6)

Definition at line 269 of file ubifs-media.h.

#define UBIFS_MIN_ORPH_LEBS 1

Definition at line 264 of file ubifs-media.h.

#define UBIFS_MST_LEBS 2

Definition at line 236 of file ubifs-media.h.

#define UBIFS_MST_LNUM (UBIFS_SB_LNUM + UBIFS_SB_LEBS)

Definition at line 241 of file ubifs-media.h.

#define UBIFS_MST_NODE_SZ sizeof(struct ubifs_mst_node)

Definition at line 284 of file ubifs-media.h.

#define UBIFS_NODE_MAGIC 0x06101831

Definition at line 37 of file ubifs-media.h.

#define UBIFS_ORPH_NODE_SZ sizeof(struct ubifs_orph_node)

Definition at line 288 of file ubifs-media.h.

#define UBIFS_PAD_NODE_SZ sizeof(struct ubifs_pad_node)

Definition at line 282 of file ubifs-media.h.

#define UBIFS_PADDING_BYTE 0xCE

Definition at line 109 of file ubifs-media.h.

#define UBIFS_REF_NODE_SZ sizeof(struct ubifs_ref_node)

Definition at line 285 of file ubifs-media.h.

#define UBIFS_RO_COMPAT_VERSION 0

Definition at line 62 of file ubifs-media.h.

#define UBIFS_ROOT_INO 1

Definition at line 84 of file ubifs-media.h.

#define UBIFS_S_KEY_BLOCK_BITS 29

Definition at line 211 of file ubifs-media.h.

#define UBIFS_S_KEY_BLOCK_MASK 0x1FFFFFFF

Definition at line 212 of file ubifs-media.h.

#define UBIFS_S_KEY_HASH_BITS UBIFS_S_KEY_BLOCK_BITS

Definition at line 213 of file ubifs-media.h.

#define UBIFS_S_KEY_HASH_MASK UBIFS_S_KEY_BLOCK_MASK

Definition at line 214 of file ubifs-media.h.

#define UBIFS_SB_LEBS 1

Definition at line 234 of file ubifs-media.h.

#define UBIFS_SB_LNUM 0

Definition at line 239 of file ubifs-media.h.

#define UBIFS_SB_NODE_SZ sizeof(struct ubifs_sb_node)

Definition at line 283 of file ubifs-media.h.

#define UBIFS_SK_LEN 8

Definition at line 115 of file ubifs-media.h.

#define UBIFS_TRUN_NODE_SZ sizeof(struct ubifs_trun_node)

Definition at line 281 of file ubifs-media.h.

#define UBIFS_XENT_NODE_SZ UBIFS_DENT_NODE_SZ

Definition at line 290 of file ubifs-media.h.

Enumeration Type Documentation

anonymous enum

Enumerator:

UBIFS_LPT_PNODE
UBIFS_LPT_NNODE
UBIFS_LPT_LTAB
UBIFS_LPT_LSAVE
UBIFS_LPT_NODE_CNT
UBIFS_LPT_NOT_A_NODE

Definition at line 155 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_ITYPE_REG
UBIFS_ITYPE_DIR
UBIFS_ITYPE_LNK
UBIFS_ITYPE_BLK
UBIFS_ITYPE_CHR
UBIFS_ITYPE_FIFO
UBIFS_ITYPE_SOCK
UBIFS_ITYPES_CNT

Definition at line 176 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_KEY_HASH_R5
UBIFS_KEY_HASH_TEST

Definition at line 193 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_SIMPLE_KEY_FMT

Definition at line 203 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_INO_KEY
UBIFS_DATA_KEY
UBIFS_DENT_KEY
UBIFS_XENT_KEY
UBIFS_KEY_TYPES_CNT

Definition at line 225 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_COMPR_FL
UBIFS_SYNC_FL
UBIFS_IMMUTABLE_FL
UBIFS_APPEND_FL
UBIFS_DIRSYNC_FL
UBIFS_XATTR_FL

Definition at line 317 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_COMPR_NONE
UBIFS_COMPR_LZO
UBIFS_COMPR_ZLIB
UBIFS_COMPR_TYPES_CNT

Definition at line 337 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_INO_NODE
UBIFS_DATA_NODE
UBIFS_DENT_NODE
UBIFS_XENT_NODE
UBIFS_TRUN_NODE
UBIFS_PAD_NODE
UBIFS_SB_NODE
UBIFS_MST_NODE
UBIFS_REF_NODE
UBIFS_IDX_NODE
UBIFS_CS_NODE
UBIFS_ORPH_NODE
UBIFS_NODE_TYPES_CNT

Definition at line 365 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_MST_DIRTY
UBIFS_MST_NO_ORPHS
UBIFS_MST_RCVRY

Definition at line 388 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_NO_NODE_GROUP
UBIFS_IN_NODE_GROUP
UBIFS_LAST_OF_NODE_GROUP

Definition at line 401 of file ubifs-media.h.

anonymous enum

Enumerator:

UBIFS_FLG_BIGLPT
UBIFS_FLG_SPACE_FIXUP

Definition at line 413 of file ubifs-media.h.

Variable Documentation

struct ubifs_orph_node __packed

Data Structures

Macros

Enumerations

Variables

Macro Definition Documentation

Enumeration Type Documentation

Variable Documentation