1 files changed, 58 insertions, 0 deletions

diff --git a/include/linux/devfs_fs_kernel.h b/include/linux/devfs_fs_kernel.h
new file mode 100644
index 000000000000..89810e73d256
--- /dev/null
+++ b/include/linux/devfs_fs_kernel.h
@@ -0,0 +1,58 @@
+#ifndef _LINUX_DEVFS_FS_KERNEL_H
+#define _LINUX_DEVFS_FS_KERNEL_H
+
+#include <linux/fs.h>
+#include <linux/config.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <asm/semaphore.h>
+
+#define DEVFS_SUPER_MAGIC                0x1373
+
+#ifdef CONFIG_DEVFS_FS
+extern int devfs_mk_bdev(dev_t dev, umode_t mode, const char *fmt, ...)
+    __attribute__ ((format(printf, 3, 4)));
+extern int devfs_mk_cdev(dev_t dev, umode_t mode, const char *fmt, ...)
+    __attribute__ ((format(printf, 3, 4)));
+extern int devfs_mk_symlink(const char *name, const char *link);
+extern int devfs_mk_dir(const char *fmt, ...)
+    __attribute__ ((format(printf, 1, 2)));
+extern void devfs_remove(const char *fmt, ...)
+    __attribute__ ((format(printf, 1, 2)));
+extern int devfs_register_tape(const char *name);
+extern void devfs_unregister_tape(int num);
+extern void mount_devfs_fs(void);
+#else                           /*  CONFIG_DEVFS_FS  */
+static inline int devfs_mk_bdev(dev_t dev, umode_t mode, const char *fmt, ...)
+{
+        return 0;
+}
+static inline int devfs_mk_cdev(dev_t dev, umode_t mode, const char *fmt, ...)
+{
+        return 0;
+}
+static inline int devfs_mk_symlink(const char *name, const char *link)
+{
+        return 0;
+}
+static inline int devfs_mk_dir(const char *fmt, ...)
+{
+        return 0;
+}
+static inline void devfs_remove(const char *fmt, ...)
+{
+}
+static inline int devfs_register_tape(const char *name)
+{
+        return -1;
+}
+static inline void devfs_unregister_tape(int num)
+{
+}
+static inline void mount_devfs_fs(void)
+{
+        return;
+}
+#endif                          /*  CONFIG_DEVFS_FS  */
+#endif                          /*  _LINUX_DEVFS_FS_KERNEL_H  */