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/*

 * macros.h

 *

 * Copyright (C) 1995 Martin von Löwis

 * Copyright (C) 1996 Régis Duchesne

 * Copyright (c) 2001 Anton Altaparmakov

 */

#include <linux/ntfs_fs_i.h>

#include <linux/fs.h>

#include <asm/page.h>

#define NTFS_FD(vol)            ((vol)->u.fd)

#define NTFS_SB(vol)            ((struct super_block*)(vol)->sb)

#define NTFS_SB2VOL(sb)         (&(sb)->u.ntfs_sb)

#define NTFS_INO2VOL(ino)       (&((ino)->i_sb->u.ntfs_sb))

#define NTFS_LINO2NINO(ino)     ((struct ntfs_inode_info*)(&((ino)->u.ntfs_i)))

static inline struct inode *VFS_I(struct ntfs_inode_info *ntfs_ino)

{

        struct inode *i = (struct inode*)((char*)ntfs_ino -

                        ((char*)&(((struct inode*)NULL)->u.ntfs_i) -

                        (char*)NULL));

#ifdef DEBUG

        if ((char*)NTFS_LINO2NINO(i) != (char*)ntfs_ino)

                BUG();

#endif

        return i;

}

#define IS_MAGIC(a,b)           (*(int*)(a) == *(int*)(b))

#define IS_MFT_RECORD(a)        IS_MAGIC((a),"FILE")

#define IS_INDEX_RECORD(a)      IS_MAGIC((a),"INDX")

/* 'NTFS' in little endian */

#define NTFS_SUPER_MAGIC        0x5346544E

#define NTFS_AFLAG_RO           1

#define NTFS_AFLAG_HIDDEN       2

#define NTFS_AFLAG_SYSTEM       4

#define NTFS_AFLAG_ARCHIVE      20

#define NTFS_AFLAG_COMPRESSED   0x800

#define NTFS_AFLAG_DIR          0x10000000