diff options
Diffstat (limited to '5001_block-cgroups-kconfig-build-bits-for-BFQ-v7r7-4.0.patch')
| -rw-r--r-- | 5001_block-cgroups-kconfig-build-bits-for-BFQ-v7r7-4.0.patch | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/5001_block-cgroups-kconfig-build-bits-for-BFQ-v7r7-4.0.patch b/5001_block-cgroups-kconfig-build-bits-for-BFQ-v7r7-4.0.patch deleted file mode 100644 index 468d1573..00000000 --- a/5001_block-cgroups-kconfig-build-bits-for-BFQ-v7r7-4.0.patch +++ /dev/null @@ -1,104 +0,0 @@ -From 63e26848e2df36a3c29d2d38ce8b008539d64a5d Mon Sep 17 00:00:00 2001 -From: Paolo Valente <paolo.valente@unimore.it> -Date: Tue, 7 Apr 2015 13:39:12 +0200 -Subject: [PATCH 1/3] block: cgroups, kconfig, build bits for BFQ-v7r7-4.0 - -Update Kconfig.iosched and do the related Makefile changes to include -kernel configuration options for BFQ. Also add the bfqio controller -to the cgroups subsystem. - -Signed-off-by: Paolo Valente <paolo.valente@unimore.it> -Signed-off-by: Arianna Avanzini <avanzini.arianna@gmail.com> ---- - block/Kconfig.iosched | 32 ++++++++++++++++++++++++++++++++ - block/Makefile | 1 + - include/linux/cgroup_subsys.h | 4 ++++ - 3 files changed, 37 insertions(+) - -diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched -index 421bef9..0ee5f0f 100644 ---- a/block/Kconfig.iosched -+++ b/block/Kconfig.iosched -@@ -39,6 +39,27 @@ config CFQ_GROUP_IOSCHED - ---help--- - Enable group IO scheduling in CFQ. - -+config IOSCHED_BFQ -+ tristate "BFQ I/O scheduler" -+ default n -+ ---help--- -+ The BFQ I/O scheduler tries to distribute bandwidth among -+ all processes according to their weights. -+ It aims at distributing the bandwidth as desired, independently of -+ the disk parameters and with any workload. It also tries to -+ guarantee low latency to interactive and soft real-time -+ applications. 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" - default DEFAULT_CFQ -@@ -52,6 +73,16 @@ choice - config DEFAULT_CFQ - bool "CFQ" if IOSCHED_CFQ=y - -+ config DEFAULT_BFQ -+ bool "BFQ" if IOSCHED_BFQ=y -+ help -+ Selects BFQ as the default I/O scheduler which will be -+ used by default for all block devices. -+ The BFQ I/O scheduler aims at distributing the bandwidth -+ as desired, independently of the disk parameters and with -+ any workload. It also tries to guarantee low latency to -+ interactive and soft real-time applications. -+ - config DEFAULT_NOOP - bool "No-op" - -@@ -61,6 +92,7 @@ config DEFAULT_IOSCHED - string - default "deadline" if DEFAULT_DEADLINE - default "cfq" if DEFAULT_CFQ -+ default "bfq" if DEFAULT_BFQ - default "noop" if DEFAULT_NOOP - - endmenu -diff --git a/block/Makefile b/block/Makefile -index 00ecc97..1ed86d5 100644 ---- a/block/Makefile -+++ b/block/Makefile -@@ -18,6 +18,7 @@ obj-$(CONFIG_BLK_DEV_THROTTLING) += blk-throttle.o - obj-$(CONFIG_IOSCHED_NOOP) += noop-iosched.o - obj-$(CONFIG_IOSCHED_DEADLINE) += deadline-iosched.o - obj-$(CONFIG_IOSCHED_CFQ) += cfq-iosched.o -+obj-$(CONFIG_IOSCHED_BFQ) += bfq-iosched.o - - obj-$(CONFIG_BLOCK_COMPAT) += compat_ioctl.o - obj-$(CONFIG_BLK_CMDLINE_PARSER) += cmdline-parser.o -diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h -index e4a96fb..267d681 100644 ---- a/include/linux/cgroup_subsys.h -+++ b/include/linux/cgroup_subsys.h -@@ -35,6 +35,10 @@ SUBSYS(freezer) - SUBSYS(net_cls) - #endif - -+#if IS_ENABLED(CONFIG_CGROUP_BFQIO) -+SUBSYS(bfqio) -+#endif -+ - #if IS_ENABLED(CONFIG_CGROUP_PERF) - SUBSYS(perf_event) - #endif --- -2.1.0 - |