diff options
| -rw-r--r-- | block/Kconfig.iosched | 4 | ||||
| -rw-r--r-- | block/blk-cgroup.c | 17 | ||||
| -rw-r--r-- | block/blk-cgroup.h | 10 | ||||
| -rw-r--r-- | init/Kconfig | 2 |
4 files changed, 3 insertions, 30 deletions
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched index 3199b76f795d..421bef9c4c48 100644 --- a/block/Kconfig.iosched +++ b/block/Kconfig.iosched @@ -23,8 +23,6 @@ config IOSCHED_DEADLINE config IOSCHED_CFQ tristate "CFQ I/O scheduler" - # If BLK_CGROUP is a module, CFQ has to be built as module. - depends on (BLK_CGROUP=m && m) || !BLK_CGROUP || BLK_CGROUP=y default y ---help--- The CFQ I/O scheduler tries to distribute bandwidth equally @@ -34,8 +32,6 @@ config IOSCHED_CFQ This is the default I/O scheduler. - Note: If BLK_CGROUP=m, then CFQ can be built only as module. - config CFQ_GROUP_IOSCHED bool "CFQ Group Scheduling support" depends on IOSCHED_CFQ && BLK_CGROUP diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 75642a352a8f..970a717a056f 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -50,10 +50,7 @@ struct cgroup_subsys blkio_subsys = { .attach = blkiocg_attach, .destroy = blkiocg_destroy, .populate = blkiocg_populate, -#ifdef CONFIG_BLK_CGROUP - /* note: blkio_subsys_id is otherwise defined in blk-cgroup.h */ .subsys_id = blkio_subsys_id, -#endif .use_id = 1, .module = THIS_MODULE, }; @@ -1679,17 +1676,3 @@ void blkio_policy_unregister(struct blkio_policy_type *blkiop) spin_unlock(&blkio_list_lock); } EXPORT_SYMBOL_GPL(blkio_policy_unregister); - -static int __init init_cgroup_blkio(void) -{ - return cgroup_load_subsys(&blkio_subsys); -} - -static void __exit exit_cgroup_blkio(void) -{ - cgroup_unload_subsys(&blkio_subsys); -} - -module_init(init_cgroup_blkio); -module_exit(exit_cgroup_blkio); -MODULE_LICENSE("GPL"); diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 6f3ace7e792f..355168772f51 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -24,13 +24,7 @@ enum blkio_policy_id { /* Max limits for throttle policy */ #define THROTL_IOPS_MAX UINT_MAX -#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE) - -#ifndef CONFIG_BLK_CGROUP -/* When blk-cgroup is a module, its subsys_id isn't a compile-time constant */ -extern struct cgroup_subsys blkio_subsys; -#define blkio_subsys_id blkio_subsys.subsys_id -#endif +#ifdef CONFIG_BLK_CGROUP enum stat_type { /* Total time spent (in ns) between request dispatch to the driver and @@ -303,7 +297,7 @@ static inline void blkiocg_update_idle_time_stats(struct blkio_group *blkg) {} static inline void blkiocg_set_start_empty_time(struct blkio_group *blkg) {} #endif -#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE) +#ifdef CONFIG_BLK_CGROUP extern struct blkio_cgroup blkio_root_cgroup; extern struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup); extern struct blkio_cgroup *task_blkio_cgroup(struct task_struct *tsk); diff --git a/init/Kconfig b/init/Kconfig index 3f42cd66f0f8..da9222d5ae97 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -766,7 +766,7 @@ config RT_GROUP_SCHED endif #CGROUP_SCHED config BLK_CGROUP - tristate "Block IO controller" + bool "Block IO controller" depends on BLOCK default n ---help--- |