jfs_dtree.c File Reference

#include <linux/fs.h>
#include <linux/quotaops.h>
#include <linux/slab.h>
#include "jfs_incore.h"
#include "jfs_superblock.h"
#include "jfs_filsys.h"
#include "jfs_metapage.h"
#include "jfs_dmap.h"
#include "jfs_unicode.h"
#include "jfs_debug.h"

Go to the source code of this file.

Data Structures
struct	dtsplit
struct	jfs_dirent

Macros
#define	DT_PAGE(IP, MP)   BT_PAGE(IP, MP, dtpage_t, i_dtroot)
#define	DT_GETPAGE(IP, BN, MP, SIZE, P, RC)
#define	DT_PUTPAGE(MP)   BT_PUTPAGE(MP)
#define	DT_GETSEARCH(IP, LEAF, BN, MP, P, INDEX)   BT_GETSEARCH(IP, LEAF, BN, MP, dtpage_t, P, INDEX, i_dtroot)
#define	ciToUpper(c)   UniStrupr((c)->name)

Functions
int	dtSearch (struct inode *ip, struct component_name *key, ino_t *data, struct btstack *btstack, int flag)
int	dtInsert (tid_t tid, struct inode *ip, struct component_name *name, ino_t *fsn, struct btstack *btstack)
int	dtDelete (tid_t tid, struct inode *ip, struct component_name *key, ino_t *ino, int flag)
void	dtInitRoot (tid_t tid, struct inode *ip, u32 idotdot)
int	jfs_readdir (struct file *filp, void *dirent, filldir_t filldir)
int	dtModify (tid_t tid, struct inode *ip, struct component_name *key, ino_t *orig_ino, ino_t new_ino, int flag)

Macro Definition Documentation

#define ciToUpper

(

c

)

UniStrupr((c)->name)

Definition at line 198 of file jfs_dtree.c.

#define DT_GETPAGE	(		IP,
			BN,
			MP,
			SIZE,
			P,
			RC
	)

Value:

{\
    BT_GETPAGE(IP, BN, MP, dtpage_t, SIZE, P, RC, i_dtroot)\
    if (!(RC))\
    {\
        if (((P)->header.nextindex > (((BN)==0)?DTROOTMAXSLOT:(P)->header.maxslot)) ||\
            ((BN) && ((P)->header.maxslot > DTPAGEMAXSLOT)))\
        {\
            BT_PUTPAGE(MP);\
            jfs_error((IP)->i_sb, "DT_GETPAGE: dtree page corrupt");\
            MP = NULL;\
			RC = -EIO;\
        }\
    }\
}

Definition at line 127 of file jfs_dtree.c.

#define DT_GETSEARCH	(		IP,
			LEAF,
			BN,
			MP,
			P,
			INDEX
	)		BT_GETSEARCH(IP, LEAF, BN, MP, dtpage_t, P, INDEX, i_dtroot)

Definition at line 146 of file jfs_dtree.c.

#define DT_PAGE	(		IP,
			MP
	)		BT_PAGE(IP, MP, dtpage_t, i_dtroot)

Definition at line 124 of file jfs_dtree.c.

#define DT_PUTPAGE

(

MP

)

BT_PUTPAGE(MP)

Definition at line 144 of file jfs_dtree.c.

Function Documentation

int dtDelete	(	tid_t	tid,
		struct inode *	ip,
		struct component_name *	key,
		ino_t *	ino,
		int	flag
	)

Definition at line 2082 of file jfs_dtree.c.

void dtInitRoot	(	tid_t	tid,
		struct inode *	ip,
		u32	idotdot
	)

Definition at line 2826 of file jfs_dtree.c.

int dtInsert	(	tid_t	tid,
		struct inode *	ip,
		struct component_name *	name,
		ino_t *	fsn,
		struct btstack *	btstack
	)

Definition at line 821 of file jfs_dtree.c.

int dtModify	(	tid_t	tid,
		struct inode *	ip,
		struct component_name *	key,
		ino_t *	orig_ino,
		ino_t	new_ino,
		int	flag
	)

Definition at line 4512 of file jfs_dtree.c.

int dtSearch	(	struct inode *	ip,
		struct component_name *	key,
		ino_t *	data,
		struct btstack *	btstack,
		int	flag
	)

Definition at line 580 of file jfs_dtree.c.

int jfs_readdir	(	struct file *	filp,
		void *	dirent,
		filldir_t	filldir
	)

Definition at line 3005 of file jfs_dtree.c.