Enable group IO scheduling in CFQ.
choice
+
prompt "Default I/O scheduler"
default DEFAULT_CFQ
help
real-time applications. Details in
Documentation/block/bfq-iosched.txt
+config BFQ_GROUP_IOSCHED
+ bool "BFQ hierarchical scheduling support"
+ depends on IOSCHED_BFQ && BLK_CGROUP
+ default n
+ ---help---
+
+ Enable hierarchical scheduling in BFQ, using the blkio
+ (cgroups-v1) or io (cgroups-v2) controller.
+
endmenu
endif