Create/use more directory structure in the Documentation/ tree.

Create Documentation/blockdev/ sub-directory and populate it.
Populate the Documentation/serial/ sub-directory.
Move MSI-HOWTO.txt to Documentation/PCI/.
Move ioctl-number.txt to Documentation/ioctl/.
Update all relevant 00-INDEX files.
Update all relevant Kconfig files and source files.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 61ad8d6..0344a8a 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -21,7 +21,8 @@
 	---help---
 	  If you want to use the floppy disk drive(s) of your PC under Linux,
 	  say Y. Information about this driver, especially important for IBM
-	  Thinkpad users, is contained in <file:Documentation/floppy.txt>.
+	  Thinkpad users, is contained in
+	  <file:Documentation/blockdev/floppy.txt>.
 	  That file also contains the location of the Floppy driver FAQ as
 	  well as location of the fdutils package used to configure additional
 	  parameters of the driver at run time.
@@ -76,7 +77,7 @@
 	  your computer's parallel port. Most of them are actually IDE devices
 	  using a parallel port IDE adapter. This option enables the PARIDE
 	  subsystem which contains drivers for many of these external drives.
-	  Read <file:Documentation/paride.txt> for more information.
+	  Read <file:Documentation/blockdev/paride.txt> for more information.
 
 	  If you have said Y to the "Parallel-port support" configuration
 	  option, you may share a single port between your printer and other
@@ -114,9 +115,9 @@
 	help
 	  This is the driver for Compaq Smart Array controllers.  Everyone
 	  using these boards should say Y here.  See the file
-	  <file:Documentation/cpqarray.txt> for the current list of boards
-	  supported by this driver, and for further information on the use of
-	  this driver.
+	  <file:Documentation/blockdev/cpqarray.txt> for the current list of
+	  boards supported by this driver, and for further information on the
+	  use of this driver.
 
 config BLK_CPQ_CISS_DA
 	tristate "Compaq Smart Array 5xxx support"
@@ -124,7 +125,7 @@
 	help
 	  This is the driver for Compaq Smart Array 5xxx controllers.
 	  Everyone using these boards should say Y here.
-	  See <file:Documentation/cciss.txt> for the current list of
+	  See <file:Documentation/blockdev/cciss.txt> for the current list of
 	  boards supported by this driver, and for further information
 	  on the use of this driver.
 
@@ -135,7 +136,7 @@
 	help
 	  When enabled (Y), this option allows SCSI tape drives and SCSI medium
 	  changers (tape robots) to be accessed via a Compaq 5xxx array 
-	  controller.  (See <file:Documentation/cciss.txt> for more details.)
+	  controller.  (See <file:Documentation/blockdev/cciss.txt> for more details.)
 
 	  "SCSI support" and "SCSI tape support" must also be enabled for this 
 	  option to work.
@@ -149,8 +150,8 @@
 	help
 	  This driver adds support for the Mylex DAC960, AcceleRAID, and
 	  eXtremeRAID PCI RAID controllers.  See the file
-	  <file:Documentation/README.DAC960> for further information about
-	  this driver.
+	  <file:Documentation/blockdev/README.DAC960> for further information
+	  about this driver.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called DAC960.
@@ -278,9 +279,9 @@
 	  userland (making server and client physically the same computer,
 	  communicating using the loopback network device).
 
-	  Read <file:Documentation/nbd.txt> for more information, especially
-	  about where to find the server code, which runs in user space and
-	  does not need special kernel support.
+	  Read <file:Documentation/blockdev/nbd.txt> for more information,
+	  especially about where to find the server code, which runs in user
+	  space and does not need special kernel support.
 
 	  Note that this has nothing to do with the network file systems NFS
 	  or Coda; you can say N here even if you intend to use NFS or Coda.
@@ -321,8 +322,8 @@
 	  store a copy of a minimal root file system off of a floppy into RAM
 	  during the initial install of Linux.
 
-	  Note that the kernel command line option "ramdisk=XX" is now
-	  obsolete. For details, read <file:Documentation/ramdisk.txt>.
+	  Note that the kernel command line option "ramdisk=XX" is now obsolete.
+	  For details, read <file:Documentation/blockdev/ramdisk.txt>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called rd.
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 14db747..cf29cc4 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4124,7 +4124,7 @@
 		printk("\n");
 	} else
 		DPRINT("botched floppy option\n");
-	DPRINT("Read Documentation/floppy.txt\n");
+	DPRINT("Read Documentation/blockdev/floppy.txt\n");
 	return 0;
 }
 
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 43b35d0..43d6ba8 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -124,7 +124,7 @@
 	  which give you many serial ports. You would need something like this
 	  to connect more than two modems to your Linux box, for instance in
 	  order to become a dial-in server. If you have a card like that, say
-	  Y here and read <file:Documentation/computone.txt>.
+	  Y here and read <file:Documentation/serial/computone.txt>.
 
 	  To compile this driver as module, choose M here: the
 	  module will be called ip2.
@@ -136,7 +136,7 @@
 	  This driver supports Comtrol RocketPort and RocketModem PCI boards.   
           These boards provide 2, 4, 8, 16, or 32 high-speed serial ports or
           modems.  For information about the RocketPort/RocketModem  boards
-          and this driver read <file:Documentation/rocket.txt>.
+          and this driver read <file:Documentation/serial/rocket.txt>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called rocket.
@@ -154,7 +154,7 @@
 	  your Linux box, for instance in order to become a dial-in server.
 
 	  For information about the Cyclades-Z card, read
-	  <file:Documentation/README.cycladesZ>.
+	  <file:Documentation/serial/README.cycladesZ>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called cyclades.
@@ -183,7 +183,7 @@
 	  box, for instance in order to become a dial-in server. This driver
 	  supports the original PC (ISA) boards as well as PCI, and EISA. If
 	  you have a card like this, say Y here and read the file
-	  <file:Documentation/digiepca.txt>.
+	  <file:Documentation/serial/digiepca.txt>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called epca.
@@ -289,7 +289,7 @@
 	  which gives you many serial ports. You would need something like
 	  this to connect more than two modems to your Linux box, for instance
 	  in order to become a dial-in server. If you have a card like that,
-	  say Y here and read the file <file:Documentation/riscom8.txt>.
+	  say Y here and read the file <file:Documentation/serial/riscom8.txt>.
 
 	  Also it's possible to say M here and compile this driver as kernel
 	  loadable module; the module will be called riscom8.
@@ -304,8 +304,8 @@
 	  your Linux box, for instance in order to become a dial-in server.
 
 	  If you have a card like that, say Y here and read the file
-	  <file:Documentation/specialix.txt>. Also it's possible to say M here
-	  and compile this driver as kernel loadable module which will be
+	  <file:Documentation/serial/specialix.txt>. Also it's possible to say
+	  M here and compile this driver as kernel loadable module which will be
 	  called specialix.
 
 config SX
@@ -313,7 +313,7 @@
 	depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA)
 	help
 	  This is a driver for the SX and SI multiport serial cards.
-	  Please read the file <file:Documentation/sx.txt> for details.
+	  Please read the file <file:Documentation/serial/sx.txt> for details.
 
 	  This driver can only be built as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want).
@@ -344,8 +344,8 @@
 	  like this to connect more than two modems to your Linux box, for
 	  instance in order to become a dial-in server.  If you say Y here,
 	  you will be asked for your specific card model in the next
-	  questions.  Make sure to read <file:Documentation/stallion.txt> in
-	  this case.  If you have never heard about all this, it's safe to
+	  questions.  Make sure to read <file:Documentation/serial/stallion.txt>
+	  in this case.  If you have never heard about all this, it's safe to
 	  say N.
 
 config STALLION
@@ -354,7 +354,7 @@
 	help
 	  If you have an EasyIO or EasyConnection 8/32 multiport Stallion
 	  card, then this is for you; say Y.  Make sure to read
-	  <file:Documentation/stallion.txt>.
+	  <file:Documentation/serial/stallion.txt>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called stallion.
@@ -365,7 +365,7 @@
 	help
 	  If you have an EasyConnection 8/64, ONboard, Brumby or Stallion
 	  serial multiport card, say Y here. Make sure to read
-	  <file:Documentation/stallion.txt>.
+	  <file:Documentation/serial/stallion.txt>.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called istallion.
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 242fd46..a16b94f 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -72,7 +72,7 @@
 /*
  * There is a bunch of documentation about the card, jumpers, config
  * settings, restrictions, cables, device names and numbers in
- * Documentation/specialix.txt
+ * Documentation/serial/specialix.txt
  */
 
 #include <linux/module.h>