Go to the source code of this file.

Data Structures
struct	logfs_segment_header

struct	logfs_disk_super

struct	logfs_object_header

struct	logfs_disk_inode

struct	logfs_disk_dentry

struct	logfs_segment_entry

struct	logfs_journal_header

struct	logfs_je_area

struct	logfs_je_dynsb

struct	logfs_je_anchor

struct	logfs_je_spillout

struct	logfs_je_journal_ec

struct	logfs_je_free_segments

struct	logfs_seg_alias

struct	logfs_obj_alias

Macros
#define	BUILD_BUG_ON(condition)

#define	SIZE_CHECK(type, size)

#define	LOGFS_MAGIC 0x7a3a8e5cb9d5bf67ull

#define	LOGFS_MAGIC_U32 0xc97e8168u

#define	LOGFS_BLOCKSIZE (4096ull)

#define	LOGFS_BLOCK_FACTOR (LOGFS_BLOCKSIZE / sizeof(u64))

#define	LOGFS_BLOCK_BITS (9)

#define	I0_BLOCKS (16)

#define	I1_BLOCKS LOGFS_BLOCK_FACTOR

#define	I2_BLOCKS (LOGFS_BLOCK_FACTOR * I1_BLOCKS)

#define	I3_BLOCKS (LOGFS_BLOCK_FACTOR * I2_BLOCKS)

#define	I4_BLOCKS (LOGFS_BLOCK_FACTOR * I3_BLOCKS)

#define	I5_BLOCKS (LOGFS_BLOCK_FACTOR * I4_BLOCKS)

#define	INDIRECT_INDEX I0_BLOCKS

#define	LOGFS_EMBEDDED_FIELDS (I0_BLOCKS + 1)

#define	LOGFS_EMBEDDED_SIZE (LOGFS_EMBEDDED_FIELDS * sizeof(u64))

#define	LOGFS_I0_SIZE (I0_BLOCKS * LOGFS_BLOCKSIZE)

#define	LOGFS_I1_SIZE (I1_BLOCKS * LOGFS_BLOCKSIZE)

#define	LOGFS_I2_SIZE (I2_BLOCKS * LOGFS_BLOCKSIZE)

#define	LOGFS_I3_SIZE (I3_BLOCKS * LOGFS_BLOCKSIZE)

#define	LOGFS_I4_SIZE (I4_BLOCKS * LOGFS_BLOCKSIZE)

#define	LOGFS_I5_SIZE (I5_BLOCKS * LOGFS_BLOCKSIZE)

#define	LOGFS_FULLY_POPULATED (1ULL << 63)

#define	pure_ofs(ofs) (ofs & ~LOGFS_FULLY_POPULATED)

#define	LOGFS_MAX_INDIRECT (5)

#define	LOGFS_MAX_LEVELS (LOGFS_MAX_INDIRECT + 1)

#define	LOGFS_NO_AREAS (2 * LOGFS_MAX_LEVELS)

#define	LOGFS_MAX_NAMELEN (255)

#define	LOGFS_JOURNAL_SEGS (16)

#define	MAX_CACHED_SEGS (64)

#define	LOGFS_OBJECT_HEADERSIZE (0x1c)

#define	LOGFS_SEGMENT_HEADERSIZE (0x18)

#define	LOGFS_MAX_OBJECTSIZE (LOGFS_OBJECT_HEADERSIZE + LOGFS_BLOCKSIZE)

#define	LOGFS_SEGMENT_RESERVE (LOGFS_SEGMENT_HEADERSIZE + LOGFS_MAX_OBJECTSIZE - 1)

#define	LOGFS_FEATURES_INCOMPAT (0ull)

#define	LOGFS_FEATURES_RO_COMPAT (0ull)

#define	LOGFS_FEATURES_COMPAT (0ull)

#define	LOGFS_IF_COMPRESSED 0x00000004 /* == FS_COMPR_FL */

#define	LOGFS_IF_DIRTY 0x20000000

#define	LOGFS_IF_ZOMBIE 0x40000000

#define	LOGFS_IF_STILLBORN 0x80000000

#define	LOGFS_FL_USER_VISIBLE (LOGFS_IF_COMPRESSED)

#define	LOGFS_FL_USER_MODIFIABLE (LOGFS_IF_COMPRESSED)

#define	LOGFS_FL_INHERITED (LOGFS_IF_COMPRESSED)

#define	INODE_POINTER_OFS (offsetof(struct logfs_disk_inode, di_data) / sizeof(__be64))

#define	INODE_USED_OFS (offsetof(struct logfs_disk_inode, di_used_bytes) / sizeof(__be64))

#define	INODE_SIZE_OFS (offsetof(struct logfs_disk_inode, di_size) / sizeof(__be64))

#define	INODE_HEIGHT_OFS (0)

Enumerations
enum	{ SEG_SUPER = 0x01, SEG_JOURNAL = 0x02, SEG_OSTORE = 0x03 }

enum	{ OBJ_BLOCK = 0x04, OBJ_INODE = 0x05, OBJ_DENTRY = 0x06 }

enum	{ LOGFS_INO_MAPPING = 0x00, LOGFS_INO_MASTER = 0x01, LOGFS_INO_ROOT = 0x02, LOGFS_INO_SEGFILE = 0x03, LOGFS_RESERVED_INOS = 0x10 }

Functions
	SIZE_CHECK (logfs_segment_header, LOGFS_SEGMENT_HEADERSIZE)

	SIZE_CHECK (logfs_disk_super, 256)

struct logfs_object_header	__attribute__ ((packed))

	SIZE_CHECK (logfs_object_header, LOGFS_OBJECT_HEADERSIZE)

	SIZE_CHECK (logfs_disk_inode, 200)

Variables
__be32	crc

__be16	len

__u8	type

__u8	compr

__be64	ino

__be64	bix

__be32	data_crc

__be16	namelen

__u8	name [LOGFS_MAX_NAMELEN]

__be32	segno

__be32	used_bytes

__u8	gc_level

__u8	vim

: file name
struct logfs_disk_dentry - on-medium dentry structure : inode number : length of file name : file type, identical to bits 12..15 of mode
#define	RESERVED 0xffffffff

#define	BADSEG 0xffffffff

#define	MAX_JOURNAL_HEADER (sizeof(struct logfs_journal_header) + sizeof(struct logfs_je_area))

enum	logfs_vim { VIM_DEFAULT = 0, VIM_SEGFILE = 1 }

enum	{ COMPR_NONE = 0, COMPR_ZLIB = 1 }

enum	{ JE_FIRST = 0x01, JEG_BASE = 0x00, JE_COMMIT = 0x02, JE_DYNSB = 0x03, JE_ANCHOR = 0x04, JE_ERASECOUNT = 0x05, JE_SPILLOUT = 0x06, JE_OBJ_ALIAS = 0x0d, JE_AREA = 0x0e, JE_LAST = 0x0e }

enum { ... }	__attribute__

	SIZE_CHECK (logfs_disk_dentry, 266)

	SIZE_CHECK (logfs_segment_entry, 8)

	SIZE_CHECK (logfs_journal_header, 16)

	SIZE_CHECK (logfs_je_area, 10)

	SIZE_CHECK (logfs_je_dynsb, 64)

	SIZE_CHECK (logfs_je_anchor, 168)

	SIZE_CHECK (logfs_je_spillout, 0)

	SIZE_CHECK (logfs_je_journal_ec, 0)

	SIZE_CHECK (logfs_je_free_segments, 8)

	SIZE_CHECK (logfs_seg_alias, 8)

	SIZE_CHECK (logfs_obj_alias, 32)

Macro Definition Documentation

#define BADSEG 0xffffffff

Definition at line 397 of file logfs_abi.h.

#define BUILD_BUG_ON ( condition )

Definition at line 15 of file logfs_abi.h.

#define I0_BLOCKS (16)

Definition at line 85 of file logfs_abi.h.

#define I1_BLOCKS LOGFS_BLOCK_FACTOR

Definition at line 86 of file logfs_abi.h.

#define I2_BLOCKS (LOGFS_BLOCK_FACTOR * I1_BLOCKS)

Definition at line 87 of file logfs_abi.h.

#define I3_BLOCKS (LOGFS_BLOCK_FACTOR * I2_BLOCKS)

Definition at line 88 of file logfs_abi.h.

#define I4_BLOCKS (LOGFS_BLOCK_FACTOR * I3_BLOCKS)

Definition at line 89 of file logfs_abi.h.

#define I5_BLOCKS (LOGFS_BLOCK_FACTOR * I4_BLOCKS)

Definition at line 90 of file logfs_abi.h.

#define INDIRECT_INDEX I0_BLOCKS

Definition at line 92 of file logfs_abi.h.

#define INODE_HEIGHT_OFS (0)

Definition at line 376 of file logfs_abi.h.

#define INODE_POINTER_OFS (offsetof(struct logfs_disk_inode, di_data) / sizeof(__be64))

Definition at line 370 of file logfs_abi.h.

#define INODE_SIZE_OFS (offsetof(struct logfs_disk_inode, di_size) / sizeof(__be64))

Definition at line 374 of file logfs_abi.h.

#define INODE_USED_OFS (offsetof(struct logfs_disk_inode, di_used_bytes) / sizeof(__be64))

Definition at line 372 of file logfs_abi.h.

#define LOGFS_BLOCK_BITS (9)

Definition at line 79 of file logfs_abi.h.

#define LOGFS_BLOCK_FACTOR (LOGFS_BLOCKSIZE / sizeof(u64))

Definition at line 78 of file logfs_abi.h.

#define LOGFS_BLOCKSIZE (4096ull)

Definition at line 77 of file logfs_abi.h.

#define LOGFS_EMBEDDED_FIELDS (I0_BLOCKS + 1)

Definition at line 93 of file logfs_abi.h.

#define LOGFS_EMBEDDED_SIZE (LOGFS_EMBEDDED_FIELDS * sizeof(u64))

Definition at line 103 of file logfs_abi.h.

#define LOGFS_FEATURES_COMPAT (0ull)

Definition at line 198 of file logfs_abi.h.

#define LOGFS_FEATURES_INCOMPAT (0ull)

Definition at line 196 of file logfs_abi.h.

#define LOGFS_FEATURES_RO_COMPAT (0ull)

Definition at line 197 of file logfs_abi.h.

#define LOGFS_FL_INHERITED (LOGFS_IF_COMPRESSED)

Definition at line 329 of file logfs_abi.h.

#define LOGFS_FL_USER_MODIFIABLE (LOGFS_IF_COMPRESSED)

Definition at line 327 of file logfs_abi.h.

#define LOGFS_FL_USER_VISIBLE (LOGFS_IF_COMPRESSED)

Definition at line 326 of file logfs_abi.h.

#define LOGFS_FULLY_POPULATED (1ULL << 63)

Definition at line 116 of file logfs_abi.h.

#define LOGFS_I0_SIZE (I0_BLOCKS * LOGFS_BLOCKSIZE)

Definition at line 104 of file logfs_abi.h.

#define LOGFS_I1_SIZE (I1_BLOCKS * LOGFS_BLOCKSIZE)

Definition at line 105 of file logfs_abi.h.

#define LOGFS_I2_SIZE (I2_BLOCKS * LOGFS_BLOCKSIZE)

Definition at line 106 of file logfs_abi.h.

#define LOGFS_I3_SIZE (I3_BLOCKS * LOGFS_BLOCKSIZE)

Definition at line 107 of file logfs_abi.h.

#define LOGFS_I4_SIZE (I4_BLOCKS * LOGFS_BLOCKSIZE)

Definition at line 108 of file logfs_abi.h.

#define LOGFS_I5_SIZE (I5_BLOCKS * LOGFS_BLOCKSIZE)

Definition at line 109 of file logfs_abi.h.

#define LOGFS_IF_COMPRESSED 0x00000004 /* == FS_COMPR_FL */

Definition at line 320 of file logfs_abi.h.

#define LOGFS_IF_DIRTY 0x20000000

Definition at line 321 of file logfs_abi.h.

#define LOGFS_IF_STILLBORN 0x80000000

Definition at line 323 of file logfs_abi.h.

#define LOGFS_IF_ZOMBIE 0x40000000

Definition at line 322 of file logfs_abi.h.

#define LOGFS_JOURNAL_SEGS (16)

Definition at line 141 of file logfs_abi.h.

#define LOGFS_MAGIC 0x7a3a8e5cb9d5bf67ull

Definition at line 64 of file logfs_abi.h.

#define LOGFS_MAGIC_U32 0xc97e8168u

Definition at line 65 of file logfs_abi.h.

#define LOGFS_MAX_INDIRECT (5)

Definition at line 133 of file logfs_abi.h.

#define LOGFS_MAX_LEVELS (LOGFS_MAX_INDIRECT + 1)

Definition at line 134 of file logfs_abi.h.

#define LOGFS_MAX_NAMELEN (255)

Definition at line 138 of file logfs_abi.h.

#define LOGFS_MAX_OBJECTSIZE (LOGFS_OBJECT_HEADERSIZE + LOGFS_BLOCKSIZE)

Definition at line 157 of file logfs_abi.h.

#define LOGFS_NO_AREAS (2 * LOGFS_MAX_LEVELS)

Definition at line 135 of file logfs_abi.h.

#define LOGFS_OBJECT_HEADERSIZE (0x1c)

Definition at line 155 of file logfs_abi.h.

#define LOGFS_SEGMENT_HEADERSIZE (0x18)

Definition at line 156 of file logfs_abi.h.

#define LOGFS_SEGMENT_RESERVE (LOGFS_SEGMENT_HEADERSIZE + LOGFS_MAX_OBJECTSIZE - 1)

Definition at line 158 of file logfs_abi.h.

#define MAX_CACHED_SEGS (64)

Definition at line 144 of file logfs_abi.h.

#define MAX_JOURNAL_HEADER (sizeof(struct logfs_journal_header) + sizeof(struct logfs_je_area))

Definition at line 473 of file logfs_abi.h.

#define pure_ofs ( ofs ) (ofs & ~LOGFS_FULLY_POPULATED)

Definition at line 117 of file logfs_abi.h.

#define RESERVED 0xffffffff

Definition at line 396 of file logfs_abi.h.

#define SIZE_CHECK	(	type,
		size
	)

Value:

static inline void check_##type(void)               \
{                               \
    BUILD_BUG_ON(sizeof(struct type) != (size));        \
}

Definition at line 18 of file logfs_abi.h.

Enumeration Type Documentation

anonymous enum

Enumerator:

SEG_SUPER
SEG_JOURNAL
SEG_OSTORE

Definition at line 167 of file logfs_abi.h.

anonymous enum

Enumerator:

OBJ_BLOCK
OBJ_INODE
OBJ_DENTRY

Definition at line 267 of file logfs_abi.h.

anonymous enum

Enumerator:

LOGFS_INO_MAPPING
LOGFS_INO_MASTER
LOGFS_INO_ROOT
LOGFS_INO_SEGFILE
LOGFS_RESERVED_INOS

Definition at line 302 of file logfs_abi.h.

anonymous enum

Compression types.

COMPR_NONE - uncompressed COMPR_ZLIB - compressed with zlib

Enumerator:

COMPR_NONE
COMPR_ZLIB

Definition at line 591 of file logfs_abi.h.

anonymous enum

Enumerator:

JE_FIRST
JEG_BASE
JE_COMMIT
JE_DYNSB
JE_ANCHOR
JE_ERASECOUNT
JE_SPILLOUT
JE_OBJ_ALIAS
JE_AREA
JE_LAST

Definition at line 614 of file logfs_abi.h.

enum logfs_vim

Enumerator:

VIM_DEFAULT
VIM_SEGFILE

Definition at line 445 of file logfs_abi.h.

Function Documentation

struct logfs_object_header __attribute__ ( (packed) )

read

mcontroller : adapter info structure for old mimd_t apps

: base address : irq number : number of logical drives : pci bus : pci device : pci function : pci id : vendor id : slot number : unique id

Definition at line 171 of file esd_usb2.c.

SIZE_CHECK	(	logfs_segment_header	,
		LOGFS_SEGMENT_HEADERSIZE
	)

SIZE_CHECK	(	logfs_disk_super	,
		256
	)

SIZE_CHECK	(	logfs_object_header	,
		LOGFS_OBJECT_HEADERSIZE
	)

SIZE_CHECK	(	logfs_disk_inode	,
		200
	)

SIZE_CHECK	(	logfs_disk_dentry	,
		266
	)

SIZE_CHECK	(	logfs_segment_entry	,
		8
	)

SIZE_CHECK	(	logfs_journal_header	,
		16
	)

SIZE_CHECK	(	logfs_je_area	,
		10
	)

SIZE_CHECK	(	logfs_je_dynsb	,
		64
	)

SIZE_CHECK	(	logfs_je_anchor	,
		168
	)

SIZE_CHECK	(	logfs_je_spillout	,
		0
	)

SIZE_CHECK	(	logfs_je_journal_ec	,
		0
	)

SIZE_CHECK	(	logfs_je_free_segments	,
		8
	)

SIZE_CHECK	(	logfs_seg_alias	,
		8
	)

SIZE_CHECK	(	logfs_obj_alias	,
		32
	)

Variable Documentation

struct logfs_je_dynsb __attribute__

__be64 bix

Definition at line 298 of file logfs_abi.h.

__u8 compr

Definition at line 296 of file logfs_abi.h.

__be32 crc

Definition at line 293 of file logfs_abi.h.

__be32 data_crc

Definition at line 299 of file logfs_abi.h.

__u8 gc_level

Definition at line 472 of file logfs_abi.h.

__be64 ino

Definition at line 297 of file logfs_abi.h.

__be16 len

Definition at line 294 of file logfs_abi.h.

__u8 name[LOGFS_MAX_NAMELEN]

Definition at line 396 of file logfs_abi.h.

__be16 namelen

Definition at line 394 of file logfs_abi.h.

__be32 segno

Definition at line 470 of file logfs_abi.h.

__u8 type

Definition at line 295 of file logfs_abi.h.

__be32 used_bytes

Definition at line 471 of file logfs_abi.h.

__u8 vim

Definition at line 473 of file logfs_abi.h.

Data Structures

Macros

Enumerations

Functions

Variables

: file name

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation