[PATCH] block cleanups: Add kconfig default iosched submenu

[mirror_ubuntu-zesty-kernel.git] / drivers / block / Kconfig.iosched

diff --git a/drivers/block/Kconfig.iosched b/drivers/block/Kconfig.iosched
index 6070a480600b6ba2e24902e70a48a71290faaf7c..5b90d2fa63b8382d80de600d0410e4a1cf0518e2 100644 (file)
--- a/drivers/block/Kconfig.iosched
+++ b/drivers/block/Kconfig.iosched
@@ -38,4 +38,32 @@ config IOSCHED_CFQ
          among all processes in the system. It should provide a fair
          working environment, suitable for desktop systems.
 
+choice
+       prompt "Default I/O scheduler"
+       default DEFAULT_AS
+       help
+         Select the I/O scheduler which will be used by default for all
+         block devices.
+
+       config DEFAULT_AS
+               bool "Anticipatory" if IOSCHED_AS
+
+       config DEFAULT_DEADLINE
+               bool "Deadline" if IOSCHED_DEADLINE
+
+       config DEFAULT_CFQ
+               bool "CFQ" if IOSCHED_CFQ
+
+       config DEFAULT_NOOP
+               bool "No-op"
+
+endchoice
+
+config DEFAULT_IOSCHED
+       string
+       default "anticipatory" if DEFAULT_AS
+       default "deadline" if DEFAULT_DEADLINE
+       default "cfq" if DEFAULT_CFQ
+       default "noop" if DEFAULT_NOOP
+
 endmenu