From: Fabio Checconi <fchecconi@xxxxxxxxx> Add the CGROUP_BFQIO option to Kconfig.iosched. This option allows full hierarchical support to be enabled in BFQ, and the bfqio controller to be added to the cgroups interface. Signed-off-by: Fabio Checconi <fchecconi@xxxxxxxxx> Signed-off-by: Paolo Valente <paolo.valente@xxxxxxxxxx> Signed-off-by: Arianna Avanzini <avanzini.arianna@xxxxxxxxx> --- block/Kconfig.iosched | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched index 8f98cc7..a3675cb 100644 --- a/block/Kconfig.iosched +++ b/block/Kconfig.iosched @@ -46,7 +46,18 @@ config IOSCHED_BFQ The BFQ I/O scheduler tries to distribute bandwidth among all processes according to their weights. It aims at distributing the bandwidth as desired, regardless - of the disk parameters and with any workload. + of the disk parameters and with any workload. If compiled + built-in (saying Y here), BFQ can be configured to support + hierarchical scheduling. + +config CGROUP_BFQIO + bool "BFQ hierarchical scheduling support" + depends on CGROUPS && IOSCHED_BFQ=y + default n + ---help--- + Enable hierarchical scheduling in BFQ, using the cgroups + filesystem interface. The name of the subsystem will be + bfqio. choice prompt "Default I/O scheduler" -- 1.9.2 -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
