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-rw-r--r--include/linux/sunrpc/sched.h22
1 files changed, 18 insertions, 4 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index 8b559703a..f3e9ad2be 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -80,8 +80,7 @@ struct rpc_task {
unsigned short tk_lock; /* Task lock counter */
unsigned char tk_active : 1,/* Task has been activated */
tk_wakeup : 1;/* Task waiting to wake up */
- volatile unsigned char tk_running : 1,/* Task is running */
- tk_sleeping : 1;/* Task is truly asleep */
+ unsigned int tk_runstate; /* Task run status */
#ifdef RPC_DEBUG
unsigned short tk_pid; /* debugging aid */
#endif
@@ -110,11 +109,26 @@ typedef void (*rpc_action)(struct rpc_task *);
#define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER)
#define RPC_DO_ROOTOVERRIDE(t) ((t)->tk_flags & RPC_TASK_ROOTCREDS)
#define RPC_ASSASSINATED(t) ((t)->tk_flags & RPC_TASK_KILLED)
-#define RPC_IS_RUNNING(t) ((t)->tk_running)
-#define RPC_IS_SLEEPING(t) ((t)->tk_sleeping)
#define RPC_IS_ACTIVATED(t) ((t)->tk_active)
#define RPC_DO_CALLBACK(t) ((t)->tk_callback != NULL)
+#define RPC_TASK_SLEEPING 0
+#define RPC_TASK_RUNNING 1
+#define RPC_IS_SLEEPING(t) (test_bit(RPC_TASK_SLEEPING, &(t)->tk_runstate))
+#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))
+#define rpc_clear_running(t) (clear_bit(RPC_TASK_RUNNING, &(t)->tk_runstate))
+
+#define rpc_set_sleeping(t) (set_bit(RPC_TASK_SLEEPING, &(t)->tk_runstate))
+
+#define rpc_clear_sleeping(t) \
+ do { \
+ smp_mb__before_clear_bit(); \
+ clear_bit(RPC_TASK_SLEEPING, &(t)->tk_runstate); \
+ smp_mb__after_clear_bit(); \
+ } while(0)
+
/*
* RPC synchronization objects
*/