[PATCH] devfs: Remove devfs from the kernel tree

This is the first patch in a series of patches that removes devfs
support from the kernel.  This patch removes the core devfs code, and
its private header file.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 0 insertions, 64 deletions

diff --git a/include/linux/compat_ioctl.h b/include/linux/compat_ioctl.h
index 917d62e41480..269d000bb2a3 100644
--- a/include/linux/compat_ioctl.h
+++ b/include/linux/compat_ioctl.h
@@ -567,11 +567,6 @@ COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER)
 COMPATIBLE_IOCTL(AUTOFS_IOC_ASKREGHOST)
 COMPATIBLE_IOCTL(AUTOFS_IOC_TOGGLEREGHOST)
 COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT)
-/* DEVFS */
-COMPATIBLE_IOCTL(DEVFSDIOC_GET_PROTO_REV)
-COMPATIBLE_IOCTL(DEVFSDIOC_SET_EVENT_MASK)
-COMPATIBLE_IOCTL(DEVFSDIOC_RELEASE_EVENT_QUEUE)
-COMPATIBLE_IOCTL(DEVFSDIOC_SET_DEBUG_MASK)
 /* Raw devices */
 COMPATIBLE_IOCTL(RAW_SETBIND)
 COMPATIBLE_IOCTL(RAW_GETBIND)
diff --git a/include/linux/devfs_fs.h b/include/linux/devfs_fs.h
deleted file mode 100644
index de236f431877..000000000000
--- a/include/linux/devfs_fs.h
+++ /dev/null
@@ -1,41 +0,0 @@
-#ifndef _LINUX_DEVFS_FS_H
-#define _LINUX_DEVFS_FS_H
-
-#include <linux/ioctl.h>
-
-#define DEVFSD_PROTOCOL_REVISION_KERNEL  5
-
-#define DEVFSD_IOCTL_BASE       'd'
-
-/*  These are the various ioctls  */
-#define DEVFSDIOC_GET_PROTO_REV         _IOR(DEVFSD_IOCTL_BASE, 0, int)
-#define DEVFSDIOC_SET_EVENT_MASK        _IOW(DEVFSD_IOCTL_BASE, 2, int)
-#define DEVFSDIOC_RELEASE_EVENT_QUEUE   _IOW(DEVFSD_IOCTL_BASE, 3, int)
-#define DEVFSDIOC_SET_DEBUG_MASK        _IOW(DEVFSD_IOCTL_BASE, 4, int)
-
-#define DEVFSD_NOTIFY_REGISTERED    0
-#define DEVFSD_NOTIFY_UNREGISTERED  1
-#define DEVFSD_NOTIFY_ASYNC_OPEN    2
-#define DEVFSD_NOTIFY_CLOSE         3
-#define DEVFSD_NOTIFY_LOOKUP        4
-#define DEVFSD_NOTIFY_CHANGE        5
-#define DEVFSD_NOTIFY_CREATE        6
-#define DEVFSD_NOTIFY_DELETE        7
-
-#define DEVFS_PATHLEN               1024        /*  Never change this otherwise the
-                                                   binary interface will change   */
-
-struct devfsd_notify_struct {   /*  Use native C types to ensure same types in kernel and user space     */
-        unsigned int type;      /*  DEVFSD_NOTIFY_* value                   */
-        unsigned int mode;      /*  Mode of the inode or device entry       */
-        unsigned int major;     /*  Major number of device entry            */
-        unsigned int minor;     /*  Minor number of device entry            */
-        unsigned int uid;       /*  Uid of process, inode or device entry   */
-        unsigned int gid;       /*  Gid of process, inode or device entry   */
-        unsigned int overrun_count;     /*  Number of lost events                   */
-        unsigned int namelen;   /*  Number of characters not including '\0' */
-        /*  The device name MUST come last                                       */
-        char devname[DEVFS_PATHLEN];    /*  This will be '\0' terminated            */
-};
-
-#endif                          /*  _LINUX_DEVFS_FS_H  */
diff --git a/include/linux/devfs_fs_kernel.h b/include/linux/devfs_fs_kernel.h
index 0d74a6f22abc..ef34d7ffe49d 100644
--- a/include/linux/devfs_fs_kernel.h
+++ b/include/linux/devfs_fs_kernel.h
@@ -4,25 +4,8 @@
 #include <linux/fs.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;
@@ -53,5 +36,4 @@ static inline void mount_devfs_fs(void)
 {
         return;
 }
-#endif                          /*  CONFIG_DEVFS_FS  */
 #endif                          /*  _LINUX_DEVFS_FS_KERNEL_H  */