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-rw-r--r--block/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 8b5f8e560eb4..41c0917ce622 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -26,6 +26,9 @@ menuconfig BLOCK
if BLOCK
+config BLK_RQ_ALLOC_TIME
+ bool
+
config BLK_SCSI_REQUEST
bool
@@ -132,6 +135,16 @@ config BLK_CGROUP_IOLATENCY
Note, this is an experimental interface and could be changed someday.
+config BLK_CGROUP_IOCOST
+ bool "Enable support for cost model based cgroup IO controller"
+ depends on BLK_CGROUP=y
+ select BLK_RQ_ALLOC_TIME
+ ---help---
+ Enabling this option enables the .weight interface for cost
+ model based proportional IO control. The IO controller
+ distributes IO capacity between different groups based on
+ their share of the overall weight distribution.
+
config BLK_WBT_MQ
bool "Multiqueue writeback throttling"
default y