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>

26 files changed, 67 insertions, 53 deletions

diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index edef85ce1195..2f969e2bece1 100644
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -42,14 +42,8 @@ IRQ.txt
         - description of what an IRQ is.
 ManagementStyle
         - how to (attempt to) manage kernel hackers.
-MSI-HOWTO.txt
-        - the Message Signaled Interrupts (MSI) Driver Guide HOWTO and FAQ.
 RCU/
         - directory with info on RCU (read-copy update).
-README.DAC960
-        - info on Mylex DAC960/DAC1100 PCI RAID Controller Driver for Linux.
-README.cycladesZ
-        - info on Cyclades-Z firmware loading.
 SAK.txt
         - info on Secure Attention Keys.
 SM501.txt
@@ -86,20 +80,16 @@ blackfin/
         - directory with documentation for the Blackfin arch.
 block/
         - info on the Block I/O (BIO) layer.
+blockdev/
+        - info on block devices & drivers
 cachetlb.txt
         - describes the cache/TLB flushing interfaces Linux uses.
-cciss.txt
-        - info, major/minor #'s for Compaq's SMART Array Controllers.
 cdrom/
         - directory with information on the CD-ROM drivers that Linux has.
-computone.txt
-        - info on Computone Intelliport II/Plus Multiport Serial Driver.
 connector/
         - docs on the netlink based userspace<->kernel space communication mod.
 console/
         - documentation on Linux console drivers.
-cpqarray.txt
-        - info on using Compaq's SMART2 Intelligent Disk Array Controllers.
 cpu-freq/
         - info on CPU frequency and voltage scaling.
 cpu-hotplug.txt
@@ -126,8 +116,6 @@ device-mapper/
         - directory with info on Device Mapper.
 devices.txt
         - plain ASCII listing of all the nodes in /dev/ with major minor #'s.
-digiepca.txt
-        - info on Digi Intl. {PC,PCI,EISA}Xx and Xem series cards.
 dontdiff
         - file containing a list of files that should never be diff'ed.
 driver-model/
@@ -152,14 +140,10 @@ filesystems/
         - info on the vfs and the various filesystems that Linux supports.
 firmware_class/
         - request_firmware() hotplug interface info.
-floppy.txt
-        - notes and driver options for the floppy disk driver.
 frv/
         - Fujitsu FR-V Linux documentation.
 gpio.txt
         - overview of GPIO (General Purpose Input/Output) access conventions.
-hayes-esp.txt
-        - info on using the Hayes ESP serial driver.
 highuid.txt
         - notes on the change from 16 bit to 32 bit user/group IDs.
 timers/
@@ -186,8 +170,6 @@ io_ordering.txt
         - info on ordering I/O writes to memory-mapped addresses.
 ioctl/
         - directory with documents describing various IOCTL calls.
-ioctl-number.txt
-        - how to implement and register device/driver ioctl calls.
 iostats.txt
         - info on I/O statistics Linux kernel provides.
 irqflags-tracing.txt
@@ -250,14 +232,10 @@ mips/
         - directory with info about Linux on MIPS architecture.
 mono.txt
         - how to execute Mono-based .NET binaries with the help of BINFMT_MISC.
-moxa-smartio
-        - file with info on installing/using Moxa multiport serial driver.
 mutex-design.txt
         - info on the generic mutex subsystem.
 namespaces/
         - directory with various information about namespaces
-nbd.txt
-        - info on a TCP implementation of a network block device.
 netlabel/
         - directory with information on the NetLabel subsystem.
 networking/
@@ -270,8 +248,6 @@ numastat.txt
         - info on how to read Numa policy hit/miss statistics in sysfs.
 oops-tracing.txt
         - how to decode those nasty internal kernel error dump messages.
-paride.txt
-        - information about the parallel port IDE subsystem.
 parisc/
         - directory with info on using Linux on PA-RISC architecture.
 parport.txt
@@ -292,18 +268,12 @@ preempt-locking.txt
         - info on locking under a preemptive kernel.
 prio_tree.txt
         - info on radix-priority-search-tree use for indexing vmas.
-ramdisk.txt
-        - short guide on how to set up and use the RAM disk.
 rbtree.txt
         - info on what red-black trees are and what they are for.
-riscom8.txt
-        - notes on using the RISCom/8 multi-port serial driver.
 robust-futex-ABI.txt
         - documentation of the robust futex ABI.
 robust-futexes.txt
         - a description of what robust futexes are.
-rocket.txt
-        - info on the Comtrol RocketPort multiport serial driver.
 rt-mutex-design.txt
         - description of the RealTime mutex implementation design.
 rt-mutex.txt
@@ -332,8 +302,6 @@ sparc/
         - directory with info on using Linux on Sparc architecture.
 sparse.txt
         - info on how to obtain and use the sparse tool for typechecking.
-specialix.txt
-        - info on hardware/driver for specialix IO8+ multiport serial card.
 spi/
         - overview of Linux kernel Serial Peripheral Interface (SPI) support.
 spinlocks.txt
@@ -342,14 +310,10 @@ stable_api_nonsense.txt
         - info on why the kernel does not have a stable in-kernel api or abi.
 stable_kernel_rules.txt
         - rules and procedures for the -stable kernel releases.
-stallion.txt
-        - info on using the Stallion multiport serial driver.
 svga.txt
         - short guide on selecting video modes at boot via VGA BIOS.
 sysfs-rules.txt
         - How not to use sysfs.
-sx.txt
-        - info on the Specialix SX/SI multiport serial driver.
 sysctl/
         - directory with info on the /proc/sys/* files.
 sysrq.txt
@@ -358,8 +322,6 @@ telephony/
         - directory with info on telephony (e.g. voice over IP) support.
 time_interpolators.txt
         - info on time interpolators.
-tty.txt
-        - guide to the locking policies of the tty layer.
 uml/
         - directory with information about User Mode Linux.
 unicode.txt
diff --git a/Documentation/PCI/00-INDEX b/Documentation/PCI/00-INDEX
index 49f43946c6b6..812b17fe3ed0 100644
--- a/Documentation/PCI/00-INDEX
+++ b/Documentation/PCI/00-INDEX
@@ -1,5 +1,7 @@
 00-INDEX
         - this file
+MSI-HOWTO.txt
+        - the Message Signaled Interrupts (MSI) Driver Guide HOWTO and FAQ.
 PCI-DMA-mapping.txt
         - info for PCI drivers using DMA portably across all platforms
 PCIEBUS-HOWTO.txt
diff --git a/Documentation/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt
index 256defd7e174..256defd7e174 100644
--- a/Documentation/MSI-HOWTO.txt
+++ b/Documentation/PCI/MSI-HOWTO.txt
diff --git a/Documentation/blockdev/00-INDEX b/Documentation/blockdev/00-INDEX
new file mode 100644
index 000000000000..86f054c47013
--- /dev/null
+++ b/Documentation/blockdev/00-INDEX
@@ -0,0 +1,16 @@
+00-INDEX
+        - this file
+README.DAC960
+        - info on Mylex DAC960/DAC1100 PCI RAID Controller Driver for Linux.
+cciss.txt
+        - info, major/minor #'s for Compaq's SMART Array Controllers.
+cpqarray.txt
+        - info on using Compaq's SMART2 Intelligent Disk Array Controllers.
+floppy.txt
+        - notes and driver options for the floppy disk driver.
+nbd.txt
+        - info on a TCP implementation of a network block device.
+paride.txt
+        - information about the parallel port IDE subsystem.
+ramdisk.txt
+        - short guide on how to set up and use the RAM disk.
diff --git a/Documentation/README.DAC960 b/Documentation/blockdev/README.DAC960
index 0e8f618ab534..0e8f618ab534 100644
--- a/Documentation/README.DAC960
+++ b/Documentation/blockdev/README.DAC960
diff --git a/Documentation/cciss.txt b/Documentation/blockdev/cciss.txt
index 89698e8df7d4..89698e8df7d4 100644
--- a/Documentation/cciss.txt
+++ b/Documentation/blockdev/cciss.txt
diff --git a/Documentation/cpqarray.txt b/Documentation/blockdev/cpqarray.txt
index c7154e20ef5e..c7154e20ef5e 100644
--- a/Documentation/cpqarray.txt
+++ b/Documentation/blockdev/cpqarray.txt
diff --git a/Documentation/floppy.txt b/Documentation/blockdev/floppy.txt
index 6ccab88705cb..6ccab88705cb 100644
--- a/Documentation/floppy.txt
+++ b/Documentation/blockdev/floppy.txt
diff --git a/Documentation/nbd.txt b/Documentation/blockdev/nbd.txt
index aeb93ffe6416..aeb93ffe6416 100644
--- a/Documentation/nbd.txt
+++ b/Documentation/blockdev/nbd.txt
diff --git a/Documentation/paride.txt b/Documentation/blockdev/paride.txt
index e4312676bdda..e4312676bdda 100644
--- a/Documentation/paride.txt
+++ b/Documentation/blockdev/paride.txt
diff --git a/Documentation/ramdisk.txt b/Documentation/blockdev/ramdisk.txt
index 6c820baa19a6..6c820baa19a6 100644
--- a/Documentation/ramdisk.txt
+++ b/Documentation/blockdev/ramdisk.txt
diff --git a/Documentation/ioctl/00-INDEX b/Documentation/ioctl/00-INDEX
new file mode 100644
index 000000000000..d2fe4d4729ef
--- /dev/null
+++ b/Documentation/ioctl/00-INDEX
@@ -0,0 +1,10 @@
+00-INDEX
+        - this file
+cdrom.txt
+        - summary of CDROM ioctl calls
+hdio.txt
+        - summary of HDIO_ ioctl calls
+ioctl-decoding.txt
+        - how to decode the bits of an IOCTL code
+ioctl-number.txt
+        - how to implement and register device/driver ioctl calls
diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
index b880ce5dbd33..b880ce5dbd33 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl/ioctl-number.txt
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c600c4ffc657..9fa6508892c2 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -629,7 +629,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
         digiepca=       [HW,SERIAL]
                         See drivers/char/README.epca and
-                        Documentation/digiepca.txt.
+                        Documentation/serial/digiepca.txt.
 
         disable_mtrr_cleanup [X86]
         enable_mtrr_cleanup [X86]
@@ -740,7 +740,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         See header of drivers/scsi/fdomain.c.
 
         floppy=         [HW]
-                        See Documentation/floppy.txt.
+                        See Documentation/blockdev/floppy.txt.
 
         force_pal_cache_flush
                         [IA-64] Avoid check_sal_cache_flush which may hang on
@@ -1101,7 +1101,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         the same attribute, the last one is used.
 
         load_ramdisk=   [RAM] List of ramdisks to load from floppy
-                        See Documentation/ramdisk.txt.
+                        See Documentation/blockdev/ramdisk.txt.
 
         lockd.nlm_grace_period=P  [NFS] Assign grace period.
                         Format: <integer>
@@ -1596,7 +1596,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
         pcd.            [PARIDE]
                         See header of drivers/block/paride/pcd.c.
-                        See also Documentation/paride.txt.
+                        See also Documentation/blockdev/paride.txt.
 
         pci=option[,option...]  [PCI] various PCI subsystem options:
                 off             [X86] don't probe for the PCI bus
@@ -1697,7 +1697,7 @@ and is between 256 and 4096 characters. It is defined in the file
         pcmv=           [HW,PCMCIA] BadgePAD 4
 
         pd.             [PARIDE]
-                        See Documentation/paride.txt.
+                        See Documentation/blockdev/paride.txt.
 
         pdcchassis=     [PARISC,HW] Disable/Enable PDC Chassis Status codes at
                         boot time.
@@ -1705,10 +1705,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         See arch/parisc/kernel/pdc_chassis.c
 
         pf.             [PARIDE]
-                        See Documentation/paride.txt.
+                        See Documentation/blockdev/paride.txt.
 
         pg.             [PARIDE]
-                        See Documentation/paride.txt.
+                        See Documentation/blockdev/paride.txt.
 
         pirq=           [SMP,APIC] Manual mp-table setup
                         See Documentation/x86/i386/IO-APIC.txt.
@@ -1778,7 +1778,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
         prompt_ramdisk= [RAM] List of RAM disks to prompt for floppy disk
                         before loading.
-                        See Documentation/ramdisk.txt.
+                        See Documentation/blockdev/ramdisk.txt.
 
         psmouse.proto=  [HW,MOUSE] Highest PS2 mouse protocol extension to
                         probe for; one of (bare|imps|exps|lifebook|any).
@@ -1798,7 +1798,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq>
 
         pt.             [PARIDE]
-                        See Documentation/paride.txt.
+                        See Documentation/blockdev/paride.txt.
 
         pty.legacy_count=
                         [KNL] Number of legacy pty's. Overwrites compiled-in
@@ -1812,10 +1812,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         See Documentation/md.txt.
 
         ramdisk_blocksize=      [RAM]
-                        See Documentation/ramdisk.txt.
+                        See Documentation/blockdev/ramdisk.txt.
 
         ramdisk_size=   [RAM] Sizes of RAM disks in kilobytes
-                        See Documentation/ramdisk.txt.
+                        See Documentation/blockdev/ramdisk.txt.
 
         rcupdate.blimit=        [KNL,BOOT]
                         Set maximum number of finished RCU callbacks to process
@@ -2147,7 +2147,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         See Documentation/sonypi.txt
 
         specialix=      [HW,SERIAL] Specialix multi-serial port adapter
-                        See Documentation/specialix.txt.
+                        See Documentation/serial/specialix.txt.
 
         spia_io_base=   [HW,MTD]
         spia_fio_base=
diff --git a/Documentation/serial/00-INDEX b/Documentation/serial/00-INDEX
new file mode 100644
index 000000000000..07dcdb0d2a36
--- /dev/null
+++ b/Documentation/serial/00-INDEX
@@ -0,0 +1,24 @@
+00-INDEX
+        - this file.
+README.cycladesZ
+        - info on Cyclades-Z firmware loading.
+computone.txt
+        - info on Computone Intelliport II/Plus Multiport Serial Driver.
+digiepca.txt
+        - info on Digi Intl. {PC,PCI,EISA}Xx and Xem series cards.
+hayes-esp.txt
+        - info on using the Hayes ESP serial driver.
+moxa-smartio
+        - file with info on installing/using Moxa multiport serial driver.
+riscom8.txt
+        - notes on using the RISCom/8 multi-port serial driver.
+rocket.txt
+        - info on the Comtrol RocketPort multiport serial driver.
+specialix.txt
+        - info on hardware/driver for specialix IO8+ multiport serial card.
+stallion.txt
+        - info on using the Stallion multiport serial driver.
+sx.txt
+        - info on the Specialix SX/SI multiport serial driver.
+tty.txt
+        - guide to the locking policies of the tty layer.
diff --git a/Documentation/README.cycladesZ b/Documentation/serial/README.cycladesZ
index 024a69443cc2..024a69443cc2 100644
--- a/Documentation/README.cycladesZ
+++ b/Documentation/serial/README.cycladesZ
diff --git a/Documentation/computone.txt b/Documentation/serial/computone.txt
index 5e2a0c76bfa0..c57ea4781e5d 100644
--- a/Documentation/computone.txt
+++ b/Documentation/serial/computone.txt
@@ -247,7 +247,7 @@ shar archive to make it easier to extract the script from the documentation.
 To create the ip2mkdev shell script change to a convenient directory (/tmp
 works just fine) and run the following command:
 
-        unshar Documentation/computone.txt
+        unshar Documentation/serial/computone.txt
                 (This file)
 
 You should now have a file ip2mkdev in your current working directory with
diff --git a/Documentation/digiepca.txt b/Documentation/serial/digiepca.txt
index f2560e22f2c9..f2560e22f2c9 100644
--- a/Documentation/digiepca.txt
+++ b/Documentation/serial/digiepca.txt
diff --git a/Documentation/hayes-esp.txt b/Documentation/serial/hayes-esp.txt
index 09b5d5856758..09b5d5856758 100644
--- a/Documentation/hayes-esp.txt
+++ b/Documentation/serial/hayes-esp.txt
diff --git a/Documentation/moxa-smartio b/Documentation/serial/moxa-smartio
index 5337e80a5b96..5337e80a5b96 100644
--- a/Documentation/moxa-smartio
+++ b/Documentation/serial/moxa-smartio
diff --git a/Documentation/riscom8.txt b/Documentation/serial/riscom8.txt
index 14f61fdad7ca..14f61fdad7ca 100644
--- a/Documentation/riscom8.txt
+++ b/Documentation/serial/riscom8.txt
diff --git a/Documentation/rocket.txt b/Documentation/serial/rocket.txt
index 1d8582990435..1d8582990435 100644
--- a/Documentation/rocket.txt
+++ b/Documentation/serial/rocket.txt
diff --git a/Documentation/specialix.txt b/Documentation/serial/specialix.txt
index 6eb6f3a3331c..6eb6f3a3331c 100644
--- a/Documentation/specialix.txt
+++ b/Documentation/serial/specialix.txt
diff --git a/Documentation/stallion.txt b/Documentation/serial/stallion.txt
index 5c4902d9a5be..5c4902d9a5be 100644
--- a/Documentation/stallion.txt
+++ b/Documentation/serial/stallion.txt
diff --git a/Documentation/sx.txt b/Documentation/serial/sx.txt
index cb4efa0fb5cc..cb4efa0fb5cc 100644
--- a/Documentation/sx.txt
+++ b/Documentation/serial/sx.txt
diff --git a/Documentation/tty.txt b/Documentation/serial/tty.txt
index 8e65c4498c52..8e65c4498c52 100644
--- a/Documentation/tty.txt
+++ b/Documentation/serial/tty.txt