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Diffstat (limited to 'include/linux/sunrpc/sched.h')
-rw-r--r--include/linux/sunrpc/sched.h41
1 files changed, 16 insertions, 25 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index f689f02e679..d1a5c8c1a0f 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -11,7 +11,6 @@
#include <linux/timer.h>
#include <linux/sunrpc/types.h>
-#include <linux/rcupdate.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
@@ -33,7 +32,8 @@ struct rpc_wait_queue;
struct rpc_wait {
struct list_head list; /* wait queue links */
struct list_head links; /* Links to related tasks */
- struct rpc_wait_queue * rpc_waitq; /* RPC wait queue we're on */
+ struct list_head timer_list; /* Timer list */
+ unsigned long expires;
};
/*
@@ -57,33 +57,25 @@ struct rpc_task {
__u8 tk_cred_retry;
/*
- * timeout_fn to be executed by timer bottom half
* callback to be executed after waking up
* action next procedure for async tasks
* tk_ops caller callbacks
*/
- void (*tk_timeout_fn)(struct rpc_task *);
void (*tk_callback)(struct rpc_task *);
void (*tk_action)(struct rpc_task *);
const struct rpc_call_ops *tk_ops;
void * tk_calldata;
- /*
- * tk_timer is used for async processing by the RPC scheduling
- * primitives. You should not access this directly unless
- * you have a pathological interest in kernel oopses.
- */
- struct timer_list tk_timer; /* kernel timer */
unsigned long tk_timeout; /* timeout for rpc_sleep() */
unsigned short tk_flags; /* misc flags */
unsigned long tk_runstate; /* Task run status */
struct workqueue_struct *tk_workqueue; /* Normally rpciod, but could
* be any workqueue
*/
+ struct rpc_wait_queue *tk_waitqueue; /* RPC wait queue we're on */
union {
struct work_struct tk_work; /* Async task work queue */
struct rpc_wait tk_wait; /* RPC wait */
- struct rcu_head tk_rcu; /* for task deletion */
} u;
unsigned short tk_timeouts; /* maj timeouts */
@@ -123,6 +115,7 @@ struct rpc_task_setup {
const struct rpc_message *rpc_message;
const struct rpc_call_ops *callback_ops;
void *callback_data;
+ struct workqueue_struct *workqueue;
unsigned short flags;
signed char priority;
};
@@ -147,9 +140,7 @@ struct rpc_task_setup {
#define RPC_TASK_RUNNING 0
#define RPC_TASK_QUEUED 1
-#define RPC_TASK_WAKEUP 2
-#define RPC_TASK_HAS_TIMER 3
-#define RPC_TASK_ACTIVE 4
+#define RPC_TASK_ACTIVE 2
#define RPC_IS_RUNNING(t) test_bit(RPC_TASK_RUNNING, &(t)->tk_runstate)
#define rpc_set_running(t) set_bit(RPC_TASK_RUNNING, &(t)->tk_runstate)
@@ -171,15 +162,6 @@ struct rpc_task_setup {
smp_mb__after_clear_bit(); \
} while (0)
-#define rpc_start_wakeup(t) \
- (test_and_set_bit(RPC_TASK_WAKEUP, &(t)->tk_runstate) == 0)
-#define rpc_finish_wakeup(t) \
- do { \
- smp_mb__before_clear_bit(); \
- clear_bit(RPC_TASK_WAKEUP, &(t)->tk_runstate); \
- smp_mb__after_clear_bit(); \
- } while (0)
-
#define RPC_IS_ACTIVATED(t) test_bit(RPC_TASK_ACTIVE, &(t)->tk_runstate)
/*
@@ -192,6 +174,12 @@ struct rpc_task_setup {
#define RPC_PRIORITY_HIGH (1)
#define RPC_NR_PRIORITY (1 + RPC_PRIORITY_HIGH - RPC_PRIORITY_LOW)
+struct rpc_timer {
+ struct timer_list timer;
+ struct list_head list;
+ unsigned long expires;
+};
+
/*
* RPC synchronization objects
*/
@@ -204,6 +192,7 @@ struct rpc_wait_queue {
unsigned char count; /* # task groups remaining serviced so far */
unsigned char nr; /* # tasks remaining for cookie */
unsigned short qlen; /* total # tasks waiting in queue */
+ struct rpc_timer timer_list;
#ifdef RPC_DEBUG
const char * name;
#endif
@@ -229,9 +218,11 @@ void rpc_killall_tasks(struct rpc_clnt *);
void rpc_execute(struct rpc_task *);
void rpc_init_priority_wait_queue(struct rpc_wait_queue *, const char *);
void rpc_init_wait_queue(struct rpc_wait_queue *, const char *);
+void rpc_destroy_wait_queue(struct rpc_wait_queue *);
void rpc_sleep_on(struct rpc_wait_queue *, struct rpc_task *,
- rpc_action action, rpc_action timer);
-void rpc_wake_up_task(struct rpc_task *);
+ rpc_action action);
+void rpc_wake_up_queued_task(struct rpc_wait_queue *,
+ struct rpc_task *);
void rpc_wake_up(struct rpc_wait_queue *);
struct rpc_task *rpc_wake_up_next(struct rpc_wait_queue *);
void rpc_wake_up_status(struct rpc_wait_queue *, int);