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