Messages in this thread Patch in this message | | | From | Andrea Righi <> | Subject | [PATCH -mm 2/3] i/o controller infrastructure | Date | Mon, 4 Aug 2008 00:14:57 +0200 |
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This is the core io-throttle kernel infrastructure. It creates the basic interfaces to cgroups and implements the I/O measurement and throttling functions.
Signed-off-by: Andrea Righi <righi.andrea@gmail.com> --- block/Makefile | 2 ++ include/linux/cgroup_subsys.h | 6 ++++++ init/Kconfig | 10 ++++++++++ 3 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/block/Makefile b/block/Makefile index 208000b..b3afc86 100644 --- a/block/Makefile +++ b/block/Makefile @@ -13,6 +13,8 @@ obj-$(CONFIG_IOSCHED_AS) += as-iosched.o obj-$(CONFIG_IOSCHED_DEADLINE) += deadline-iosched.o obj-$(CONFIG_IOSCHED_CFQ) += cfq-iosched.o +obj-$(CONFIG_CGROUP_IO_THROTTLE) += blk-io-throttle.o + obj-$(CONFIG_BLK_DEV_IO_TRACE) += blktrace.o obj-$(CONFIG_BLOCK_COMPAT) += compat_ioctl.o obj-$(CONFIG_BLK_DEV_INTEGRITY) += blk-integrity.o diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h index 23c02e2..198ee52 100644 --- a/include/linux/cgroup_subsys.h +++ b/include/linux/cgroup_subsys.h @@ -52,3 +52,9 @@ SUBSYS(memrlimit_cgroup) #endif /* */ + +#ifdef CONFIG_CGROUP_IO_THROTTLE +SUBSYS(iothrottle) +#endif + +/* */ diff --git a/init/Kconfig b/init/Kconfig index a451916..39691c2 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -306,6 +306,16 @@ config CGROUP_DEVICE Provides a cgroup implementing whitelists for devices which a process in the cgroup can mknod or open. +config CGROUP_IO_THROTTLE + bool "Enable cgroup I/O throttling (EXPERIMENTAL)" + depends on CGROUPS && EXPERIMENTAL + help + This allows to limit the maximum I/O bandwidth for specific + cgroup(s). + See Documentation/controllers/io-throttle.txt for more information. + + If unsure, say N. + config CPUSETS bool "Cpuset support" depends on SMP && CGROUPS -- 1.5.4.3
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