diff options
Diffstat (limited to 'sys-kernel/kogaion-sources/files/desktop/0001-block-cgroups-kconfig-build-bits-for-BFQ-v7-3.10.patch')
| -rw-r--r-- | sys-kernel/kogaion-sources/files/desktop/0001-block-cgroups-kconfig-build-bits-for-BFQ-v7-3.10.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/sys-kernel/kogaion-sources/files/desktop/0001-block-cgroups-kconfig-build-bits-for-BFQ-v7-3.10.patch b/sys-kernel/kogaion-sources/files/desktop/0001-block-cgroups-kconfig-build-bits-for-BFQ-v7-3.10.patch new file mode 100644 index 00000000..f92978cf --- /dev/null +++ b/sys-kernel/kogaion-sources/files/desktop/0001-block-cgroups-kconfig-build-bits-for-BFQ-v7-3.10.patch @@ -0,0 +1,103 @@ +From 3ded69bee018e94b1cf5e13af9ff557f0f61ab30 Mon Sep 17 00:00:00 2001 +From: Arianna Avanzini <avanzini.arianna@gmail.com> +Date: Mon, 27 Jan 2014 23:50:08 +0100 +Subject: [PATCH 1/3] block: cgroups, kconfig, build bits for BFQ-v7-3.10 + +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 | 6 ++++++ + 3 files changed, 39 insertions(+) + +diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched +index 421bef9..8f552ba 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 39b76ba..c0d20fa 100644 +--- a/block/Makefile ++++ b/block/Makefile +@@ -15,6 +15,7 @@ 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_DEV_INTEGRITY) += blk-integrity.o +diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h +index 6e7ec64..e5e6b0d 100644 +--- a/include/linux/cgroup_subsys.h ++++ b/include/linux/cgroup_subsys.h +@@ -84,3 +84,9 @@ SUBSYS(bcache) + #endif + + /* */ ++ ++#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_BFQIO) ++SUBSYS(bfqio) ++#endif ++ ++/* */ +-- +1.8.5.2 + |