From cf2775f175128fc9fd7ffb88981e068d27bc85db Mon Sep 17 00:00:00 2001 From: Allan Graves Date: Wed, 28 Feb 2007 20:13:29 -0800 Subject: [PATCH] [PATCH] uml: enable RAW Add the RAW device driver options to the UML Kconfig.char file so that you may use them in UML. Signed-off-by: Allan Graves Signed-off-by: Jeff Dike Cc: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/Kconfig.char | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char index e03e40c7aac3..a5b079d5e865 100644 --- a/arch/um/Kconfig.char +++ b/arch/um/Kconfig.char @@ -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" -- 2.20.1