--- block/Kconfig.iosched

+++ block/Kconfig.iosched

@@ -50,16 +50,6 @@ config IOSCHED_VR

Requests are chosen according to SSTF with a penalty of rev_penalty

for switching head direction.

-config IOSCHED_SIO

- tristate "Simple I/O scheduler"

- default y

- ---help---

- The Simple I/O scheduler is an extremely simple scheduler,

- based on noop and deadline, that relies on deadlines to

- ensure fairness. The algorithm does not do any sorting but

- basic merging, trying to keep a minimum overhead. It is aimed

- mainly for aleatory access devices (eg: flash devices).

-

choice

prompt "Default I/O scheduler"

default DEFAULT_CFQ

@@ -73,9 +63,6 @@ choice

config DEFAULT_CFQ

bool "CFQ" if IOSCHED_CFQ=y

- config DEFAULT_SIO

- bool "SIO" if IOSCHED_SIO=y

-

config DEFAULT_VR

bool "V(R)" if IOSCHED_VR=y

@@ -88,7 +75,6 @@ config DEFAULT_IOSCHED

string

default "deadline" if DEFAULT_DEADLINE

default "cfq" if DEFAULT_CFQ

- default "sio" if DEFAULT_SIO

default "vr" if DEFAULT_VR

default "noop" if DEFAULT_NOOP