[PATCH] devfs: Last little devfs cleanups throughout the kernel tree.

Just removes a few unused #defines and fixes some comments due to
devfs now being gone.

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

6 files changed, 17 insertions, 38 deletions

diff --git a/Documentation/Changes b/Documentation/Changes
index b02f476c2973..488272074c36 100644
--- a/Documentation/Changes
+++ b/Documentation/Changes
@@ -181,8 +181,8 @@ Intel IA32 microcode
 --------------------
 
 A driver has been added to allow updating of Intel IA32 microcode,
-accessible as both a devfs regular file and as a normal (misc)
-character device.  If you are not using devfs you may need to:
+accessible as a normal (misc) character device.  If you are not using
+udev you may need to:
 
 mkdir /dev/cpu
 mknod /dev/cpu/microcode c 10 184
@@ -201,7 +201,9 @@ with programs using shared memory.
 udev
 ----
 udev is a userspace application for populating /dev dynamically with
-only entries for devices actually present. udev replaces devfs.
+only entries for devices actually present.  udev replaces the basic
+functionality of devfs, while allowing persistant device naming for
+devices.
 
 FUSE
 ----
@@ -231,18 +233,13 @@ The PPP driver has been restructured to support multilink and to
 enable it to operate over diverse media layers.  If you use PPP,
 upgrade pppd to at least 2.4.0.
 
-If you are not using devfs, you must have the device file /dev/ppp
+If you are not using udev, you must have the device file /dev/ppp
 which can be made by:
 
 mknod /dev/ppp c 108 0
 
 as root.
 
-If you use devfsd and build ppp support as modules, you will need
-the following in your /etc/devfsd.conf file:
-
-LOOKUP	PPP	MODLOAD
-
 Isdn4k-utils
 ------------
 
diff --git a/Documentation/DocBook/kernel-api.tmpl b/Documentation/DocBook/kernel-api.tmpl
index 3630a0d7695f..1ae4dc0fd856 100644
--- a/Documentation/DocBook/kernel-api.tmpl
+++ b/Documentation/DocBook/kernel-api.tmpl
@@ -348,11 +348,6 @@ X!Earch/i386/kernel/mca.c
      </sect1>
   </chapter>
 
-  <chapter id="devfs">
-     <title>The Device File System</title>
-!Efs/devfs/base.c
-  </chapter>
-
   <chapter id="sysfs">
      <title>The Filesystem for Exporting Kernel Objects</title>
 !Efs/sysfs/file.c
diff --git a/Documentation/README.DAC960 b/Documentation/README.DAC960
index 98ea617a0dd6..0e8f618ab534 100644
--- a/Documentation/README.DAC960
+++ b/Documentation/README.DAC960
@@ -78,9 +78,9 @@ also known as "System Drives", and Drive Groups are also called "Packs".  Both
 terms are in use in the Mylex documentation; I have chosen to standardize on
 the more generic "Logical Drive" and "Drive Group".
 
-DAC960 RAID disk devices are named in the style of the Device File System
-(DEVFS).  The device corresponding to Logical Drive D on Controller C is
-referred to as /dev/rd/cCdD, and the partitions are called /dev/rd/cCdDp1
+DAC960 RAID disk devices are named in the style of the obsolete Device File
+System (DEVFS).  The device corresponding to Logical Drive D on Controller C
+is referred to as /dev/rd/cCdD, and the partitions are called /dev/rd/cCdDp1
 through /dev/rd/cCdDp7.  For example, partition 3 of Logical Drive 5 on
 Controller 2 is referred to as /dev/rd/c2d5p3.  Note that unlike with SCSI
 disks the device names will not change in the event of a disk drive failure.
diff --git a/Documentation/initrd.txt b/Documentation/initrd.txt
index 7de1c80cd719..b1b6440237a6 100644
--- a/Documentation/initrd.txt
+++ b/Documentation/initrd.txt
@@ -67,8 +67,7 @@ initrd adds the following new options:
     as the last process has closed it, all data is freed and /dev/initrd
     can't be opened anymore.
 
-  root=/dev/ram0   (without devfs)
-  root=/dev/rd/0   (with devfs)
+  root=/dev/ram0
 
     initrd is mounted as root, and the normal boot procedure is followed,
     with the RAM disk still mounted as root.
@@ -90,8 +89,7 @@ you're building an install floppy), the root file system creation
 procedure should create the /initrd directory.
 
 If initrd will not be mounted in some cases, its content is still
-accessible if the following device has been created (note that this
-does not work if using devfs):
+accessible if the following device has been created:
 
 # mknod /dev/initrd b 1 250 
 # chmod 400 /dev/initrd
@@ -119,8 +117,7 @@ We'll describe the loopback device method:
     (if space is critical, you may want to use the Minix FS instead of Ext2)
  3) mount the file system, e.g.
     # mount -t ext2 -o loop initrd /mnt
- 4) create the console device (not necessary if using devfs, but it can't
-    hurt to do it anyway):
+ 4) create the console device:
     # mkdir /mnt/dev
     # mknod /mnt/dev/console c 5 1
  5) copy all the files that are needed to properly use the initrd
@@ -152,12 +149,7 @@ have to be given:
 
   root=/dev/ram0 init=/linuxrc rw
 
-if not using devfs, or
-
-  root=/dev/rd/0 init=/linuxrc rw
-
-if using devfs. (rw is only necessary if writing to the initrd file
-system.)
+(rw is only necessary if writing to the initrd file system.)
 
 With LOADLIN, you simply execute
 
@@ -217,9 +209,9 @@ following command:
 # exec chroot . what-follows <dev/console >dev/console 2>&1
 
 Where what-follows is a program under the new root, e.g. /sbin/init
-If the new root file system will be used with devfs and has no valid
-/dev directory, devfs must be mounted before invoking chroot in order to
-provide /dev/console.
+If the new root file system will be used with udev and has no valid
+/dev directory, udev must be initialized before invoking chroot in order
+to provide /dev/console.
 
 Note: implementation details of pivot_root may change with time. In order
 to ensure compatibility, the following points should be observed:
@@ -236,7 +228,7 @@ Now, the initrd can be unmounted and the memory allocated by the RAM
 disk can be freed:
 
 # umount /initrd
-# blockdev --flushbufs /dev/ram0    # /dev/rd/0 if using devfs
+# blockdev --flushbufs /dev/ram0
 
 It is also possible to use initrd with an NFS-mounted root, see the
 pivot_root(8) man page for details.
diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt
index 1543802ef53e..edc04d74ae23 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl-number.txt
@@ -119,7 +119,6 @@ Code	Seq#	Include File		Comments
 'c'	00-7F	linux/comstats.h	conflict!
 'c'	00-7F	linux/coda.h		conflict!
 'd'	00-FF	linux/char/drm/drm/h	conflict!
-'d'	00-1F	linux/devfs_fs.h	conflict!
 'd'	00-DF	linux/video_decoder.h	conflict!
 'd'	F0-FF	linux/digi1.h
 'e'	all	linux/digi1.h		conflict!
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2e352a605fcf..bf5d2cd6a56e 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -35,7 +35,6 @@ parameter is applicable:
 	APM	Advanced Power Management support is enabled.
 	AX25	Appropriate AX.25 support is enabled.
 	CD	Appropriate CD support is enabled.
-	DEVFS	devfs support is enabled.
 	DRM	Direct Rendering Management support is enabled.
 	EDD	BIOS Enhanced Disk Drive Services (EDD) is enabled
 	EFI	EFI Partitioning (GPT) is enabled
@@ -440,9 +439,6 @@ running once the system is up.
 			Format: <area>[,<node>]
 			See also Documentation/networking/decnet.txt.
 
-	devfs=		[DEVFS]
-			See Documentation/filesystems/devfs/boot-options.
-
 	dhash_entries=	[KNL]
 			Set number of hash buckets for dentry cache.