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| -rw-r--r-- | arch/um/Kconfig.char | 19 |
1 files changed, 19 insertions, 0 deletions
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" |