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-rw-r--r--init/Kconfig27
1 files changed, 27 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index eb77e8ccde1..087c14f3c59 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -612,6 +612,33 @@ config RT_GROUP_SCHED
endif #CGROUP_SCHED
+config BLK_CGROUP
+ tristate "Block IO controller"
+ depends on CGROUPS && BLOCK
+ default n
+ ---help---
+ Generic block IO controller cgroup interface. This is the common
+ cgroup interface which should be used by various IO controlling
+ policies.
+
+ Currently, CFQ IO scheduler uses it to recognize task groups and
+ control disk bandwidth allocation (proportional time slice allocation)
+ to such task groups.
+
+ This option only enables generic Block IO controller infrastructure.
+ One needs to also enable actual IO controlling logic in CFQ for it
+ to take effect. (CONFIG_CFQ_GROUP_IOSCHED=y).
+
+ See Documentation/cgroups/blkio-controller.txt for more information.
+
+config DEBUG_BLK_CGROUP
+ bool "Enable Block IO controller debugging"
+ depends on BLK_CGROUP
+ default n
+ ---help---
+ Enable some debugging help. Currently it exports additional stat
+ files in a cgroup which can be useful for debugging.
+
endif # CGROUPS
config MM_OWNER