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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-02-22 15:46:41 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-02-25 21:40:40 -0800 |
| commit | 96ef13b283934fbf60b732e6c4ce23e8babd0042 (patch) | |
| tree | 9efa8e92ff2e7f27746b65214a43ca3a4aed1b14 /include/linux/sunrpc/sched.h | |
| parent | fde95c7554aa77f9a242f32b0b5f8f15395abf52 (diff) | |
| download | lwn-96ef13b283934fbf60b732e6c4ce23e8babd0042.tar.gz lwn-96ef13b283934fbf60b732e6c4ce23e8babd0042.zip | |
SUNRPC: Add a new helper rpc_wake_up_queued_task()
In all cases where we currently use rpc_wake_up_task(), we almost always
know on which waitqueue the rpc_task is actually sleeping. This will allows
us to simplify the queue locking in a future patch.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc/sched.h')
| -rw-r--r-- | include/linux/sunrpc/sched.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index fefb0ab52189..83f67779cf00 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -33,7 +33,6 @@ 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 */ }; /* @@ -80,6 +79,7 @@ struct rpc_task { 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 */ @@ -233,6 +233,8 @@ void rpc_init_wait_queue(struct rpc_wait_queue *, const char *); 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 *); +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); |