55 	struct p9_idpool *p;  in p9_idpool_create()  local
57 	p = kmalloc(sizeof(struct p9_idpool), GFP_KERNEL);  in p9_idpool_create()
58 	if (!p)  in p9_idpool_create()
61 	spin_lock_init(&p->lock);  in p9_idpool_create()
62 	idr_init(&p->pool);  in p9_idpool_create()
64 	return p;  in p9_idpool_create()
73 void p9_idpool_destroy(struct p9_idpool *p)  in p9_idpool_destroy()  argument
75 	idr_destroy(&p->pool);  in p9_idpool_destroy()
76 	kfree(p);  in p9_idpool_destroy()
88 int p9_idpool_get(struct p9_idpool *p)  in p9_idpool_get()  argument
94 	spin_lock_irqsave(&p->lock, flags);  in p9_idpool_get()
97 	i = idr_alloc(&p->pool, p, 0, 0, GFP_NOWAIT);  in p9_idpool_get()
99 	spin_unlock_irqrestore(&p->lock, flags);  in p9_idpool_get()
104 	p9_debug(P9_DEBUG_MUX, " id %d pool %p\n", i, p);  in p9_idpool_get()
118 void p9_idpool_put(int id, struct p9_idpool *p)  in p9_idpool_put()  argument
122 	p9_debug(P9_DEBUG_MUX, " id %d pool %p\n", id, p);  in p9_idpool_put()
124 	spin_lock_irqsave(&p->lock, flags);  in p9_idpool_put()
125 	idr_remove(&p->pool, id);  in p9_idpool_put()
126 	spin_unlock_irqrestore(&p->lock, flags);  in p9_idpool_put()
136 int p9_idpool_check(int id, struct p9_idpool *p)  in p9_idpool_check()  argument
138 	return idr_find(&p->pool, id) != NULL;  in p9_idpool_check()