The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/fs/ntfs/macros.h

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    1 /*
    2  * macros.h
    3  *
    4  * Copyright (C) 1995 Martin von Löwis
    5  * Copyright (C) 1996 Régis Duchesne
    6  * Copyright (c) 2001 Anton Altaparmakov
    7  */
    8 #include <linux/ntfs_fs_i.h>
    9 #include <linux/fs.h>
   10 #include <asm/page.h>
   11 
   12 #define NTFS_FD(vol)            ((vol)->u.fd)
   13 
   14 #define NTFS_SB(vol)            ((struct super_block*)(vol)->sb)
   15 #define NTFS_SB2VOL(sb)         (&(sb)->u.ntfs_sb)
   16 #define NTFS_INO2VOL(ino)       (&((ino)->i_sb->u.ntfs_sb))
   17 #define NTFS_LINO2NINO(ino)     ((struct ntfs_inode_info*)(&((ino)->u.ntfs_i)))
   18 static inline struct inode *VFS_I(struct ntfs_inode_info *ntfs_ino)
   19 {
   20         struct inode *i = (struct inode*)((char*)ntfs_ino -
   21                         ((char*)&(((struct inode*)NULL)->u.ntfs_i) -
   22                         (char*)NULL));
   23 #ifdef DEBUG
   24         if ((char*)NTFS_LINO2NINO(i) != (char*)ntfs_ino)
   25                 BUG();
   26 #endif
   27         return i;
   28 }
   29 
   30 #define IS_MAGIC(a,b)           (*(int*)(a) == *(int*)(b))
   31 #define IS_MFT_RECORD(a)        IS_MAGIC((a),"FILE")
   32 #define IS_INDEX_RECORD(a)      IS_MAGIC((a),"INDX")
   33 
   34 /* 'NTFS' in little endian */
   35 #define NTFS_SUPER_MAGIC        0x5346544E
   36 
   37 #define NTFS_AFLAG_RO           1
   38 #define NTFS_AFLAG_HIDDEN       2
   39 #define NTFS_AFLAG_SYSTEM       4
   40 #define NTFS_AFLAG_ARCHIVE      20
   41 #define NTFS_AFLAG_COMPRESSED   0x800
   42 #define NTFS_AFLAG_DIR          0x10000000
   43 

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