#include <linux/types.h>
#include <linux/atomic.h>
#include <linux/rbtree.h>

Include dependency graph for fs.h:

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

Classes
struct	super_block

struct	inode

struct	dentry

struct	file

Macros
#define	NODEV 0

#define	MINORBITS 8

#define	MINORMASK ((1U << MINORBITS) - 1)

#define	MAJOR(dev) ((unsigned int)((int)(dev) >> MINORBITS))

#define	MINOR(dev) ((unsigned int)((int)(dev) & MINORMASK))

#define	NODEV 0

#define	MKDEV(ma, mi) (((ma) << MINORBITS) \| (mi))

#define	I_DIRTY_SYNC 1 /* Not dirty enough for O_DATASYNC */

#define	I_DIRTY_DATASYNC 2 /* Data-related inode changes pending */

#define	I_DIRTY_PAGES 4 /* Data-related inode changes pending */

#define	I_LOCK 8

#define	I_FREEING 16

#define	I_CLEAR 32

#define	I_DIRTY (I_DIRTY_SYNC \| I_DIRTY_DATASYNC \| I_DIRTY_PAGES)

#define	DT_UNKNOWN 0

#define	DT_FIFO 1

#define	DT_CHR 2

#define	DT_DIR 4

#define	DT_BLK 6

#define	DT_REG 8

#define	DT_LNK 10

#define	DT_SOCK 12

#define	DT_WHT 14

Typedefs
typedef struct block_device *	kdev_t

Functions
static unsigned int	kdev_t_to_nr (kdev_t dev)

static kdev_t	to_kdev_t (int dev)

void	iget (struct inode *inode)

void	iput (struct inode *inode)

ULONGLONG	bmap (struct inode *i, ULONGLONG b)

Macro Definition Documentation

◆ DT_BLK

#define DT_BLK 6

Definition at line 150 of file fs.h.

◆ DT_CHR

#define DT_CHR 2

Definition at line 148 of file fs.h.

◆ DT_DIR

#define DT_DIR 4

Definition at line 149 of file fs.h.

◆ DT_FIFO

#define DT_FIFO 1

Definition at line 147 of file fs.h.

◆ DT_LNK

#define DT_LNK 10

Definition at line 152 of file fs.h.

◆ DT_REG

#define DT_REG 8

Definition at line 151 of file fs.h.

◆ DT_SOCK

#define DT_SOCK 12

Definition at line 153 of file fs.h.

◆ DT_UNKNOWN

#define DT_UNKNOWN 0

Definition at line 146 of file fs.h.

◆ DT_WHT

#define DT_WHT 14

Definition at line 154 of file fs.h.

◆ I_CLEAR

#define I_CLEAR 32

Definition at line 112 of file fs.h.

◆ I_DIRTY

#define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES)

Definition at line 114 of file fs.h.

◆ I_DIRTY_DATASYNC

#define I_DIRTY_DATASYNC 2 /* Data-related inode changes pending */

Definition at line 108 of file fs.h.

◆ I_DIRTY_PAGES

#define I_DIRTY_PAGES 4 /* Data-related inode changes pending */

Definition at line 109 of file fs.h.

◆ I_DIRTY_SYNC

#define I_DIRTY_SYNC 1 /* Not dirty enough for O_DATASYNC */

Definition at line 107 of file fs.h.

◆ I_FREEING

#define I_FREEING 16

Definition at line 111 of file fs.h.

◆ I_LOCK

#define I_LOCK 8

Definition at line 110 of file fs.h.

◆ MAJOR

#define MAJOR ( dev ) ((unsigned int)((int)(dev) >> MINORBITS))

Definition at line 19 of file fs.h.

◆ MINOR

#define MINOR ( dev ) ((unsigned int)((int)(dev) & MINORMASK))

Definition at line 20 of file fs.h.

◆ MINORBITS

#define MINORBITS 8

Definition at line 16 of file fs.h.

◆ MINORMASK

#define MINORMASK ((1U << MINORBITS) - 1)

Definition at line 17 of file fs.h.

◆ MKDEV

#define MKDEV	(	ma,
		mi
	)	(((ma) << MINORBITS) \| (mi))

Definition at line 28 of file fs.h.

◆ NODEV [1/2]

#define NODEV 0

Definition at line 27 of file fs.h.

◆ NODEV [2/2]

#define NODEV 0

Definition at line 27 of file fs.h.

Typedef Documentation

◆ kdev_t

typedef struct block_device* kdev_t

Definition at line 14 of file fs.h.

Function Documentation

◆ bmap()

ULONGLONG bmap	(	struct inode *	i,
		ULONGLONG	b
	)

Definition at line 942 of file linux.c.

{
    ULONGLONG lcn = 0;
    struct super_block *s = i->i_sb;
 
    PEXT2_MCB  Mcb = (PEXT2_MCB)i->i_priv;
    PEXT2_VCB  Vcb = (PEXT2_VCB)s->s_priv;
    PEXT2_EXTENT extent = NULL;
    ULONGLONG  offset = (ULONGLONG)b;
    NTSTATUS   status;
 
    if (!Mcb || !Vcb) {
        goto errorout;
    }
 
    offset <<= BLOCK_BITS;
    status = Ext2BuildExtents(
                 NULL,
                 Vcb,
                 Mcb,
                 offset,
                 BLOCK_SIZE,
                 FALSE,
                 &extent
             );
 
    if (!NT_SUCCESS(status)) {
        goto errorout;
    }
 
    if (extent == NULL) {
        goto errorout;
    }
 
    lcn = (unsigned long)(extent->Lba >> BLOCK_BITS);
 
errorout:
 
    if (extent) {
        Ext2FreeExtent(extent);
    }
 
    return lcn;
}

Referenced by ext2_allocate_group_table(), and journal_bmap().

◆ iget()

void iget ( struct inode * inode )

Definition at line 987 of file linux.c.

{
    atomic_inc(&inode->i_count);
}

◆ iput()

void iput ( struct inode * inode )

Definition at line 992 of file linux.c.

{
    if (atomic_dec_and_test(&inode->i_count)) {
        kfree(inode);
    }
}

Referenced by Ext2RecoverJournal(), and journal_destroy().

◆ kdev_t_to_nr()

static unsigned int kdev_t_to_nr ( kdev_t dev )

inlinestatic

Definition at line 22 of file fs.h.

                                                    {
    /*return (unsigned int)(MAJOR(dev)<<8) | MINOR(dev);*/
    return 0;
}

◆ to_kdev_t()

static kdev_t to_kdev_t ( int dev )