2.6.26-rc1

 block

diff --git a/block/Kconfig b/block/Kconfig
index 7db9a41..3e97f2b 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -5,14 +5,18 @@ menuconfig BLOCK
        bool "Enable the block layer" if EMBEDDED
        default y
        help
-    This permits the block layer to be removed from the kernel if it's not
-    needed (on some embedded devices for example).  If this option is
-    disabled, then blockdev files will become unusable and some
-    filesystems (such as ext3) will become unavailable.
+    Provide block layer support for the kernel.
 
-    This option will also disable SCSI character devices and USB storage
-    since they make use of various block layer definitions and
-    facilities.
+    Disable this option to remove the block layer support from the
+    kernel. This may be useful for embedded devices.
+
+    If this option is disabled:
+
+      - block device files will become unusable
+      - some filesystems (such as ext3) will become unavailable.
+
+    Also, SCSI character devices and USB storage will be disabled since
+    they make use of various block layer definitions and facilities.
 
     Say Y here unless you know you really don't want to mount disks and
     suchlike.
@@ -23,9 +27,20 @@ config LBD
    bool "Support for Large Block Devices"
    depends on !64BIT
    help
-     Say Y here if you want to attach large (bigger than 2TB) discs to
-     your machine, or if you want to have a raid or loopback device
-     bigger than 2TB.  Otherwise say N.
+     Enable block devices of size 2TB and larger.
+
+     This option is required to support the full capacity of large
+     (2TB+) block devices, including RAID, disk, Network Block Device,
+     Logical Volume Manager (LVM) and loopback.
+
+     For example, RAID devices are frequently bigger than the capacity
+     of the largest individual hard drive.
+
+     This option is not required if you have individual disk drives
+     which total 2TB+ and you are not aggregating the capacity into
+     a large block device (e.g. using RAID or LVM).
+
+     If unsure, say N.
 
 config BLK_DEV_IO_TRACE
    bool "Support for tracing block io actions"
@@ -33,19 +48,21 @@ config BLK_DEV_IO_TRACE
    select RELAY
    select DEBUG_FS
    help
-     Say Y here, if you want to be able to trace the block layer actions
+     Say Y here if you want to be able to trace the block layer actions
      on a given queue. Tracing allows you to see any traffic happening
-     on a block device queue. For more information (and the user space
-     support tools needed), fetch the blktrace app from:
+     on a block device queue. For more information (and the userspace
+     support tools needed), fetch the blktrace tools from:
 
      git://git.kernel.dk/blktrace.git
 
+     If unsure, say N.
+
 config LSF
    bool "Support for Large Single Files"
    depends on !64BIT
    help
-     Say Y here if you want to be able to handle very large files (bigger
-     than 2TB), otherwise say N.
+     Say Y here if you want to be able to handle very large files (2TB
+     and larger), otherwise say N.
 
      If unsure, say Y.
 
@@ -53,14 +70,16 @@ config BLK_DEV_BSG
    bool "Block layer SG support v4 (EXPERIMENTAL)"
    depends on EXPERIMENTAL
    ---help---
-   Saying Y here will enable generic SG (SCSI generic) v4 support
-   for any block device.
-
-   Unlike SG v3 (aka block/scsi_ioctl.c drivers/scsi/sg.c), SG v4
-   can handle complicated SCSI commands: tagged variable length cdbs
-   with bidirectional data transfers and generic request/response
-   protocols (e.g. Task Management Functions and SMP in Serial
-   Attached SCSI).
+     Saying Y here will enable generic SG (SCSI generic) v4 support
+     for any block device.
+
+     Unlike SG v3 (aka block/scsi_ioctl.c drivers/scsi/sg.c), SG v4
+     can handle complicated SCSI commands: tagged variable length cdbs
+     with bidirectional data transfers and generic request/response
+     protocols (e.g. Task Management Functions and SMP in Serial
+     Attached SCSI).
+
+     If unsure, say N.
 
 endif # BLOCK