connector: create connector workqueue only while needed once

[linux-2.6-omap-h63xx.git] / include / linux / connector.h

diff --git a/include/linux/connector.h b/include/linux/connector.h
index 34f2789d9b9b0e5208e8a2eeeb085b94573efb8d..fc65d219d88c55759d734f6c6fbfb50fff9a7805 100644 (file)
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -109,6 +109,12 @@ struct cn_queue_dev {
        unsigned char name[CN_CBQ_NAMELEN];
 
        struct workqueue_struct *cn_queue;
+       /* Sent to kevent to create cn_queue only when needed */
+       struct work_struct wq_creation;
+       /* Tell if the wq_creation job is pending/completed */
+       atomic_t wq_requested;
+       /* Wait for cn_queue to be created */
+       wait_queue_head_t wq_created;
 
        struct list_head queue_list;
        spinlock_t queue_lock;
@@ -164,6 +170,8 @@ int cn_netlink_send(struct cn_msg *, u32, gfp_t);
 int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(void *));
 void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id);
 
+int queue_cn_work(struct cn_callback_entry *cbq, struct work_struct *work);
+
 struct cn_queue_dev *cn_queue_alloc_dev(char *name, struct sock *);
 void cn_queue_free_dev(struct cn_queue_dev *dev);