From e43473b7f223ec866f7db273697e76c337c390f9 Mon Sep 17 00:00:00 2001 From: Vivek Goyal Date: Wed, 15 Sep 2010 17:06:35 -0400 Subject: blkio: Core implementation of throttle policy o Actual implementation of throttling policy in block layer. Currently it implements READ and WRITE bytes per second throttling logic. IOPS throttling comes in later patches. Signed-off-by: Vivek Goyal Signed-off-by: Jens Axboe --- block/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'block/Kconfig') diff --git a/block/Kconfig b/block/Kconfig index 9be0b56eaee1..6c9213ef15a1 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -77,6 +77,18 @@ config BLK_DEV_INTEGRITY T10/SCSI Data Integrity Field or the T13/ATA External Path Protection. If in doubt, say N. +config BLK_DEV_THROTTLING + bool "Block layer bio throttling support" + depends on BLK_CGROUP=y && EXPERIMENTAL + default n + ---help--- + Block layer bio throttling support. It can be used to limit + the IO rate to a device. IO rate policies are per cgroup and + one needs to mount and use blkio cgroup controller for creating + cgroups and specifying per device IO rate policies. + + See Documentation/cgroups/blkio-controller.txt for more information. + endif # BLOCK config BLOCK_COMPAT -- cgit v1.2.3