include/linux/devfs_fs_kernel.h

   1 #ifndef _LINUX_DEVFS_FS_KERNEL_H
   2 #define _LINUX_DEVFS_FS_KERNEL_H
   3
   4 #include <linux/fs.h>
   5 #include <linux/spinlock.h>
   6 #include <linux/types.h>
   7
   8 #include <asm/semaphore.h>
   9
  10 #define DEVFS_SUPER_MAGIC                0x1373
  11
  12 #ifdef CONFIG_DEVFS_FS
  13 extern int devfs_mk_bdev(dev_t dev, umode_t mode, const char *fmt, ...)
  14     __attribute__ ((format(printf, 3, 4)));
  15 extern int devfs_mk_cdev(dev_t dev, umode_t mode, const char *fmt, ...)
  16     __attribute__ ((format(printf, 3, 4)));
  17 extern int devfs_mk_symlink(const char *name, const char *link);
  18 extern int devfs_mk_dir(const char *fmt, ...)
  19     __attribute__ ((format(printf, 1, 2)));
  20 extern void devfs_remove(const char *fmt, ...)
  21     __attribute__ ((format(printf, 1, 2)));
  22 extern int devfs_register_tape(const char *name);
  23 extern void devfs_unregister_tape(int num);
  24 extern void mount_devfs_fs(void);
  25 #else                           /*  CONFIG_DEVFS_FS  */
  26 static inline int devfs_mk_bdev(dev_t dev, umode_t mode, const char *fmt, ...)
  27 {
  28         return 0;
  29 }
  30 static inline int devfs_mk_cdev(dev_t dev, umode_t mode, const char *fmt, ...)
  31 {
  32         return 0;
  33 }
  34 static inline int devfs_mk_symlink(const char *name, const char *link)
  35 {
  36         return 0;
  37 }
  38 static inline int devfs_mk_dir(const char *fmt, ...)
  39 {
  40         return 0;
  41 }
  42 static inline void devfs_remove(const char *fmt, ...)
  43 {
  44 }
  45 static inline int devfs_register_tape(const char *name)
  46 {
  47         return -1;
  48 }
  49 static inline void devfs_unregister_tape(int num)
  50 {
  51 }
  52 static inline void mount_devfs_fs(void)
  53 {
  54         return;
  55 }
  56 #endif                          /*  CONFIG_DEVFS_FS  */
  57 #endif                          /*  _LINUX_DEVFS_FS_KERNEL_H  */