X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=block%2FKconfig;h=6c9213ef15a1d69e83b381f88ce76d0d915eac02;hb=7d2f280e75f05919314e250cadf361a327ed555c;hp=9be0b56eaee19ee494d388f07cda821ffcc29ba0;hpb=8ceedea7c2600a1018d20f67e766c0773b59391a;p=firefly-linux-kernel-4.4.55.git

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