[PATCH 1/3] UML - Enable RAW

[PATCH 1/3] UML - Enable RAW

[Jeff Dike]

From: Allan Graves <allan.graves@gmail.com>
Date:   Fri Jan 26 17:49:00 2007

    [PATCH] Enable raw.ko in UML
        - This patch adds the RAW device driver options to the UML
Kconfig.char file so that you may use them in UML.

Signed-off-by: Allan Graves<allan.graves@gmail.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
--
 arch/um/Kconfig.char |   19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

Index: linux-2.6.18-mm/arch/um/Kconfig.char
===================================================================
--- linux-2.6.18-mm.orig/arch/um/Kconfig.char	2007-01-17 06:02:47.000000000 -0500
+++ linux-2.6.18-mm/arch/um/Kconfig.char	2007-01-23 11:29:06.000000000 -0500
@@ -146,6 +146,25 @@ config LEGACY_PTYS
 	  security.  This option enables these legacy devices; on most
 	  systems, it is safe to say N.
 
+config RAW_DRIVER
+        tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)"
+        help
+          The raw driver permits block devices to be bound to /dev/raw/rawN.
+          Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O.
+          See the raw(8) manpage for more details.
+
+          The raw driver is deprecated and will be removed soon.
+          Applications should simply open the device (eg /dev/hda1)
+          with the O_DIRECT flag.
+
+config MAX_RAW_DEVS
+        int "Maximum number of RAW devices to support (1-8192)"
+        depends on RAW_DRIVER
+        default "256"
+        help
+          The maximum number of RAW devices that are supported.
+          Default is 256. Increase this number in case you need lots of
+          raw devices.
 
 config LEGACY_PTY_COUNT
 	int "Maximum number of legacy PTY in use"

-- 
Work email - jdike at linux dot intel dot com