ioprio: move io priority from task_struct to io_context

[mirror_ubuntu-artful-kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7907845c234804c1010ffd14f77308b1d1842515..80837e7d527e61f9a8c8ceba5d8656bd802c5639 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -78,7 +78,6 @@ struct sched_param {
 #include <linux/proportions.h>
 #include <linux/seccomp.h>
 #include <linux/rcupdate.h>
-#include <linux/futex.h>
 #include <linux/rtmutex.h>
 
 #include <linux/time.h>
@@ -88,11 +87,13 @@ struct sched_param {
 #include <linux/hrtimer.h>
 #include <linux/task_io_accounting.h>
 #include <linux/kobject.h>
+#include <linux/latencytop.h>
 
 #include <asm/processor.h>
 
 struct exec_domain;
 struct futex_pi_state;
+struct robust_list_head;
 struct bio;
 
 /*
@@ -230,6 +231,8 @@ static inline int select_nohz_load_balancer(int cpu)
 }
 #endif
 
+extern unsigned long rt_needs_cpu(int cpu);
+
 /*
  * Only dump TASK_* tasks. (0 for all tasks)
  */
@@ -257,6 +260,7 @@ extern void trap_init(void);
 extern void account_process_tick(struct task_struct *task, int user);
 extern void update_process_times(int user);
 extern void scheduler_tick(void);
+extern void hrtick_resched(void);
 
 extern void sched_show_task(struct task_struct *p);
 
@@ -265,10 +269,10 @@ extern void softlockup_tick(void);
 extern void spawn_softlockup_task(void);
 extern void touch_softlockup_watchdog(void);
 extern void touch_all_softlockup_watchdogs(void);
-extern int softlockup_thresh;
+extern unsigned long  softlockup_thresh;
 extern unsigned long sysctl_hung_task_check_count;
 extern unsigned long sysctl_hung_task_timeout_secs;
-extern long sysctl_hung_task_warnings;
+extern unsigned long sysctl_hung_task_warnings;
 #else
 static inline void softlockup_tick(void)
 {
@@ -849,7 +853,7 @@ struct sched_class {
 #endif
 
        void (*set_curr_task) (struct rq *rq);
-       void (*task_tick) (struct rq *rq, struct task_struct *p);
+       void (*task_tick) (struct rq *rq, struct task_struct *p, int queued);
        void (*task_new) (struct rq *rq, struct task_struct *p);
        void (*set_cpus_allowed)(struct task_struct *p, cpumask_t *newmask);
 
@@ -891,6 +895,8 @@ struct sched_entity {
 #ifdef CONFIG_SCHEDSTATS
        u64                     wait_start;
        u64                     wait_max;
+       u64                     wait_count;
+       u64                     wait_sum;
 
        u64                     sleep_start;
        u64                     sleep_max;
@@ -933,6 +939,15 @@ struct sched_rt_entity {
        struct list_head run_list;
        unsigned int time_slice;
        unsigned long timeout;
+       int nr_cpus_allowed;
+
+#ifdef CONFIG_FAIR_GROUP_SCHED
+       struct sched_rt_entity  *parent;
+       /* rq on which this entity is (to be) queued: */
+       struct rt_rq            *rt_rq;
+       /* rq "owned" by this entity/group: */
+       struct rt_rq            *my_q;
+#endif
 };
 
 struct task_struct {
@@ -960,7 +975,6 @@ struct task_struct {
        struct hlist_head preempt_notifiers;
 #endif
 
-       unsigned short ioprio;
        /*
         * fpu_counter contains the number of consecutive context switches
         * that the FPU is used. If this is over a threshold, the lazy fpu
@@ -977,7 +991,6 @@ struct task_struct {
 
        unsigned int policy;
        cpumask_t cpus_allowed;
-       int nr_cpus_allowed;
 
 #ifdef CONFIG_PREEMPT_RCU
        int rcu_read_lock_nesting;
@@ -1209,6 +1222,10 @@ struct task_struct {
        int make_it_fail;
 #endif
        struct prop_local_single dirties;
+#ifdef CONFIG_LATENCYTOP
+       int latency_record_count;
+       struct latency_record latency_record[LT_SAVECOUNT];
+#endif
 };
 
 /*
@@ -1489,6 +1506,8 @@ extern unsigned int sysctl_sched_child_runs_first;
 extern unsigned int sysctl_sched_features;
 extern unsigned int sysctl_sched_migration_cost;
 extern unsigned int sysctl_sched_nr_migrate;
+extern unsigned int sysctl_sched_rt_period;
+extern unsigned int sysctl_sched_rt_ratio;
 #if defined(CONFIG_FAIR_GROUP_SCHED) && defined(CONFIG_SMP)
 extern unsigned int sysctl_sched_min_bal_int_shares;
 extern unsigned int sysctl_sched_max_bal_int_shares;