jbd2.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	journal_header_s
struct	commit_header
struct	journal_block_tag_s
struct	jbd2_journal_revoke_header_s
struct	journal_superblock_s

Macros
#define	JBD2_DEBUG
#define	jfs_debug   jbd_debug
#define	journal_oom_retry   1
#define	JBD2_DEFAULT_MAX_COMMIT_AGE   5
#define	jbd_debug(f, a...)
#define	JBD2_MIN_JOURNAL_BLOCKS   1024
#define	JBD2_MAGIC_NUMBER   0xc03b3998U
#define	JBD2_DESCRIPTOR_BLOCK   1
#define	JBD2_COMMIT_BLOCK   2
#define	JBD2_SUPERBLOCK_V1   3
#define	JBD2_SUPERBLOCK_V2   4
#define	JBD2_REVOKE_BLOCK   5
#define	JBD2_CRC32_CHKSUM   1
#define	JBD2_MD5_CHKSUM   2
#define	JBD2_SHA1_CHKSUM   3
#define	JBD2_CRC32_CHKSUM_SIZE   4
#define	JBD2_CHECKSUM_BYTES   (32 / sizeof(__u32))
#define	JBD2_TAG_SIZE32   (offsetof(journal_block_tag_t, t_blocknr_high))
#define	JBD2_TAG_SIZE64   (sizeof(journal_block_tag_t))
#define	JBD2_FLAG_ESCAPE   1
#define	JBD2_FLAG_SAME_UUID   2
#define	JBD2_FLAG_DELETED   4
#define	JBD2_FLAG_LAST_TAG   8
#define	JBD2_HAS_COMPAT_FEATURE(j, mask)    ((j)->j_format_version >= 2 && ((j)->j_superblock->s_feature_compat & cpu_to_be32((mask))))
#define	JBD2_HAS_RO_COMPAT_FEATURE(j, mask)    ((j)->j_format_version >= 2 && ((j)->j_superblock->s_feature_ro_compat & cpu_to_be32((mask))))
#define	JBD2_HAS_INCOMPAT_FEATURE(j, mask)    ((j)->j_format_version >= 2 && ((j)->j_superblock->s_feature_incompat & cpu_to_be32((mask))))
#define	JBD2_FEATURE_COMPAT_CHECKSUM   0x00000001
#define	JBD2_FEATURE_INCOMPAT_REVOKE   0x00000001
#define	JBD2_FEATURE_INCOMPAT_64BIT   0x00000002
#define	JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT   0x00000004
#define	JBD2_KNOWN_COMPAT_FEATURES   JBD2_FEATURE_COMPAT_CHECKSUM
#define	JBD2_KNOWN_ROCOMPAT_FEATURES   0
#define	JBD2_KNOWN_INCOMPAT_FEATURES
#define	BJ_None   0
#define	BJ_Metadata   1
#define	BJ_Forget   2
#define	BJ_IO   3
#define	BJ_Shadow   4
#define	BJ_LogCtl   5
#define	BJ_Reserved   6
#define	BJ_Types   7

Typedefs
typedef struct journal_header_s	journal_header_t
typedef struct journal_block_tag_s	journal_block_tag_t
typedef struct jbd2_journal_revoke_header_s	jbd2_journal_revoke_header_t
typedef struct journal_superblock_s	journal_superblock_t

Macro Definition Documentation

BJ_Forget

#define BJ_Forget   2

BJ_IO

#define BJ_IO   3

BJ_LogCtl

#define BJ_LogCtl   5

BJ_Metadata

#define BJ_Metadata   1

BJ_None

#define BJ_None   0

BJ_Reserved

#define BJ_Reserved   6

BJ_Shadow

#define BJ_Shadow   4

BJ_Types

#define BJ_Types   7

JBD2_CHECKSUM_BYTES

#define JBD2_CHECKSUM_BYTES   (32 / sizeof(__u32))

JBD2_COMMIT_BLOCK

#define JBD2_COMMIT_BLOCK   2

JBD2_CRC32_CHKSUM

#define JBD2_CRC32_CHKSUM   1

JBD2_CRC32_CHKSUM_SIZE

#define JBD2_CRC32_CHKSUM_SIZE   4

JBD2_DEBUG

#define JBD2_DEBUG

JBD2_DEFAULT_MAX_COMMIT_AGE

#define JBD2_DEFAULT_MAX_COMMIT_AGE   5

JBD2_DESCRIPTOR_BLOCK

#define JBD2_DESCRIPTOR_BLOCK   1

JBD2_FEATURE_COMPAT_CHECKSUM

#define JBD2_FEATURE_COMPAT_CHECKSUM   0x00000001

JBD2_FEATURE_INCOMPAT_64BIT

#define JBD2_FEATURE_INCOMPAT_64BIT   0x00000002

JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT

#define JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT   0x00000004

JBD2_FEATURE_INCOMPAT_REVOKE

#define JBD2_FEATURE_INCOMPAT_REVOKE   0x00000001

JBD2_FLAG_DELETED

#define JBD2_FLAG_DELETED   4

JBD2_FLAG_ESCAPE

#define JBD2_FLAG_ESCAPE   1

JBD2_FLAG_LAST_TAG

#define JBD2_FLAG_LAST_TAG   8

JBD2_FLAG_SAME_UUID

#define JBD2_FLAG_SAME_UUID   2

JBD2_HAS_COMPAT_FEATURE

#define JBD2_HAS_COMPAT_FEATURE	(		j,
			mask
	)		((j)->j_format_version >= 2 && ((j)->j_superblock->s_feature_compat & cpu_to_be32((mask))))

JBD2_HAS_INCOMPAT_FEATURE

#define JBD2_HAS_INCOMPAT_FEATURE	(		j,
			mask
	)		((j)->j_format_version >= 2 && ((j)->j_superblock->s_feature_incompat & cpu_to_be32((mask))))

JBD2_HAS_RO_COMPAT_FEATURE

#define JBD2_HAS_RO_COMPAT_FEATURE	(		j,
			mask
	)		((j)->j_format_version >= 2 && ((j)->j_superblock->s_feature_ro_compat & cpu_to_be32((mask))))

JBD2_KNOWN_COMPAT_FEATURES

#define JBD2_KNOWN_COMPAT_FEATURES   JBD2_FEATURE_COMPAT_CHECKSUM

JBD2_KNOWN_INCOMPAT_FEATURES

#define JBD2_KNOWN_INCOMPAT_FEATURES

Value:

    (JBD2_FEATURE_INCOMPAT_REVOKE | JBD2_FEATURE_INCOMPAT_64BIT | \
     JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)

JBD2_KNOWN_ROCOMPAT_FEATURES

#define JBD2_KNOWN_ROCOMPAT_FEATURES   0

JBD2_MAGIC_NUMBER

#define JBD2_MAGIC_NUMBER   0xc03b3998U

JBD2_MD5_CHKSUM

#define JBD2_MD5_CHKSUM   2

JBD2_MIN_JOURNAL_BLOCKS

#define JBD2_MIN_JOURNAL_BLOCKS   1024

JBD2_REVOKE_BLOCK

#define JBD2_REVOKE_BLOCK   5

JBD2_SHA1_CHKSUM

#define JBD2_SHA1_CHKSUM   3

JBD2_SUPERBLOCK_V1

#define JBD2_SUPERBLOCK_V1   3

JBD2_SUPERBLOCK_V2

#define JBD2_SUPERBLOCK_V2   4

JBD2_TAG_SIZE32

#define JBD2_TAG_SIZE32   (offsetof(journal_block_tag_t, t_blocknr_high))

JBD2_TAG_SIZE64

#define JBD2_TAG_SIZE64   (sizeof(journal_block_tag_t))

jbd_debug

#define jbd_debug	(		f,
			a...
	)

jfs_debug

#define jfs_debug   jbd_debug

journal_oom_retry

#define journal_oom_retry   1

Typedef Documentation

jbd2_journal_revoke_header_t

typedef struct jbd2_journal_revoke_header_s jbd2_journal_revoke_header_t

journal_block_tag_t

typedef struct journal_block_tag_s journal_block_tag_t

journal_header_t

typedef struct journal_header_s journal_header_t

journal_superblock_t

typedef struct journal_superblock_s journal_superblock_t