jfs_incore.h File Reference

#include <linux/mutex.h>
#include <linux/rwsem.h>
#include <linux/slab.h>
#include <linux/bitops.h>
#include "jfs_types.h"
#include "jfs_xtree.h"
#include "jfs_dtree.h"

Go to the source code of this file.

Data Structures
struct	jfs_inode_info
struct	jfs_sb_info

Macros
#define	JFS_SUPER_MAGIC   0x3153464a /* "JFS1" */
#define	i_xtroot   u.file._xtroot
#define	i_imap   u.file._imap
#define	i_dirtable   u.dir._table
#define	i_dtroot   u.dir._dtroot
#define	i_inline   u.link._inline
#define	i_inline_ea   u.link._inline_ea
#define	IREAD_LOCK(ip, subclass)   down_read_nested(&JFS_IP(ip)->rdwrlock, subclass)
#define	IREAD_UNLOCK(ip)   up_read(&JFS_IP(ip)->rdwrlock)
#define	IWRITE_LOCK(ip, subclass)   down_write_nested(&JFS_IP(ip)->rdwrlock, subclass)
#define	IWRITE_UNLOCK(ip)   up_write(&JFS_IP(ip)->rdwrlock)
#define	set_cflag(flag, ip)   set_bit(flag, &(JFS_IP(ip)->cflag))
#define	clear_cflag(flag, ip)   clear_bit(flag, &(JFS_IP(ip)->cflag))
#define	test_cflag(flag, ip)   test_bit(flag, &(JFS_IP(ip)->cflag))
#define	test_and_clear_cflag(flag, ip)   test_and_clear_bit(flag, &(JFS_IP(ip)->cflag))
#define	IN_LAZYCOMMIT   1

Enumerations
enum	cflags {   COMMIT_Nolink, COMMIT_Inlineea, COMMIT_Freewmap, COMMIT_Dirty,   COMMIT_Dirtable, COMMIT_Stale, COMMIT_Synclist }
enum	commit_mutex_class { COMMIT_MUTEX_PARENT, COMMIT_MUTEX_CHILD, COMMIT_MUTEX_SECOND_PARENT, COMMIT_MUTEX_VICTIM }
enum	rdwrlock_class { RDWRLOCK_NORMAL, RDWRLOCK_IMAP, RDWRLOCK_DMAP }

Macro Definition Documentation

#define clear_cflag	(		flag,
			ip
	)		clear_bit(flag, &(JFS_IP(ip)->cflag))

Definition at line 151 of file jfs_incore.h.

#define i_dirtable   u.dir._table

Definition at line 102 of file jfs_incore.h.

#define i_dtroot   u.dir._dtroot

Definition at line 103 of file jfs_incore.h.

#define i_imap   u.file._imap

Definition at line 101 of file jfs_incore.h.

#define i_inline   u.link._inline

Definition at line 104 of file jfs_incore.h.

#define i_inline_ea   u.link._inline_ea

Definition at line 105 of file jfs_incore.h.

#define i_xtroot   u.file._xtroot

Definition at line 100 of file jfs_incore.h.

#define IN_LAZYCOMMIT   1

Definition at line 202 of file jfs_incore.h.

#define IREAD_LOCK	(		ip,
			subclass
	)		down_read_nested(&JFS_IP(ip)->rdwrlock, subclass)

Definition at line 107 of file jfs_incore.h.

#define IREAD_UNLOCK

(

ip

)

up_read(&JFS_IP(ip)->rdwrlock)

Definition at line 109 of file jfs_incore.h.

#define IWRITE_LOCK	(		ip,
			subclass
	)		down_write_nested(&JFS_IP(ip)->rdwrlock, subclass)

Definition at line 110 of file jfs_incore.h.

#define IWRITE_UNLOCK

(

ip

)

up_write(&JFS_IP(ip)->rdwrlock)

Definition at line 112 of file jfs_incore.h.

#define JFS_SUPER_MAGIC   0x3153464a /* "JFS1" */

Definition at line 33 of file jfs_incore.h.

#define set_cflag	(		flag,
			ip
	)		set_bit(flag, &(JFS_IP(ip)->cflag))

Definition at line 150 of file jfs_incore.h.

#define test_and_clear_cflag	(		flag,
			ip
	)		test_and_clear_bit(flag, &(JFS_IP(ip)->cflag))

Definition at line 153 of file jfs_incore.h.

#define test_cflag	(		flag,
			ip
	)		test_bit(flag, &(JFS_IP(ip)->cflag))

Definition at line 152 of file jfs_incore.h.

Enumeration Type Documentation

enum cflags

Enumerator:

COMMIT_Nolink
COMMIT_Inlineea
COMMIT_Freewmap
COMMIT_Dirty
COMMIT_Dirtable
COMMIT_Stale
COMMIT_Synclist

Definition at line 117 of file jfs_incore.h.

enum commit_mutex_class

Enumerator:

COMMIT_MUTEX_PARENT
COMMIT_MUTEX_CHILD
COMMIT_MUTEX_SECOND_PARENT
COMMIT_MUTEX_VICTIM

Definition at line 130 of file jfs_incore.h.

enum rdwrlock_class

Enumerator:

RDWRLOCK_NORMAL
RDWRLOCK_IMAP
RDWRLOCK_DMAP

Definition at line 143 of file jfs_incore.h.