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Commit 48f18612 authored by Alexandros Batsakis's avatar Alexandros Batsakis Committed by Trond Myklebust
Browse files

rpc: add rpc_queue_empty function 



Signed-off-by: default avatarAlexandros Batsakis <batsakis@netapp.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent afe6c27c

include/linux/sunrpc/sched.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -229,6 +229,7 @@ void rpc_wake_up_queued_task(struct rpc_wait_queue *, 
void		rpc_wake_up(struct rpc_wait_queue *);

void		rpc_wake_up(struct rpc_wait_queue *);

struct rpc_task *rpc_wake_up_next(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);

void		rpc_wake_up_status(struct rpc_wait_queue *, int);

int		rpc_queue_empty(struct rpc_wait_queue *);

void		rpc_delay(struct rpc_task *, unsigned long);

void		rpc_delay(struct rpc_task *, unsigned long);

void *		rpc_malloc(struct rpc_task *, size_t);

void *		rpc_malloc(struct rpc_task *, size_t);

void		rpc_free(void *);

void		rpc_free(void *);

net/sunrpc/sched.c

+14 −0
Original line number Original line Diff line number Diff line
@@ -384,6 +384,20 @@ static void rpc_wake_up_task_queue_locked(struct rpc_wait_queue *queue, struct r 
		__rpc_do_wake_up_task(queue, task);

		__rpc_do_wake_up_task(queue, task);

}

}





/*

 * Tests whether rpc queue is empty

 */

int rpc_queue_empty(struct rpc_wait_queue *queue)

{

	int res;



	spin_lock_bh(&queue->lock);

	res = queue->qlen;

	spin_unlock_bh(&queue->lock);

	return (res == 0);

}

EXPORT_SYMBOL_GPL(rpc_queue_empty);



/*

/*

 * Wake up a task on a specific queue

 * Wake up a task on a specific queue

 */

 */