macros.h

来自「Linux内核源代码 为压缩文件 是<<Linux内核>&gt」· C头文件 代码 · 共 54 行

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/* *  macros.h * *  Copyright (C) 1995 Martin von L鰓is *  Copyright (C) 1996 R間is Duchesne */#define NTFS_FD(vol)		((vol)->u.fd)/* Linux */#ifdef NTFS_IN_LINUX_KERNEL#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)     (&((ino)->u.ntfs_i))#else#define NTFS_SB(vol)		((struct super_block*)(vol)->u.sb)#define NTFS_SB2VOL(sb)		((ntfs_volume*)(sb)->u.generic_sbp)#define NTFS_INO2VOL(ino)	((ntfs_volume*)((ino)->i_sb->u.generic_sbp))#define NTFS_LINO2NINO(ino)     ((ntfs_inode*)((ino)->u.generic_ip))#endif/* BSD */#define NTFS_MNT(vol)		((struct mount*)(vol)->u.sb)#define NTFS_MNT2VOL(sb)	((ntfs_volume*)(sb)->mnt_data)#define NTFS_V2INO(ino)		((ntfs_inode*)((ino)->v_data))/* Classical min and max macros still missing in standard headers... */#ifndef min#define min(a,b)	((a) <= (b) ? (a) : (b))#define max(a,b)	((a) >= (b) ? (a) : (b))#endif#define IS_MAGIC(a,b)		(*(int*)(a)==*(int*)(b))#define IS_MFT_RECORD(a)	IS_MAGIC((a),"FILE")#define IS_NTFS_VOLUME(a)	IS_MAGIC((a)+3,"NTFS")#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/* * Local variables: *  c-file-style: "linux" * End: */

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