54 	struct p9_idpool *p;  in p9_idpool_create()  local
56 	p = kmalloc(sizeof(struct p9_idpool), GFP_KERNEL);  in p9_idpool_create()
57 	if (!p)  in p9_idpool_create()
60 	spin_lock_init(&p->lock);  in p9_idpool_create()
61 	idr_init(&p->pool);  in p9_idpool_create()
63 	return p;  in p9_idpool_create()
72 void p9_idpool_destroy(struct p9_idpool *p)  in p9_idpool_destroy()  argument
74 	idr_destroy(&p->pool);  in p9_idpool_destroy()
75 	kfree(p);  in p9_idpool_destroy()
87 int p9_idpool_get(struct p9_idpool *p)  in p9_idpool_get()  argument
94 	if (idr_pre_get(&p->pool, GFP_KERNEL) == 0)  in p9_idpool_get()
97 	spin_lock_irqsave(&p->lock, flags);  in p9_idpool_get()
100 	error = idr_get_new(&p->pool, p, &i);  in p9_idpool_get()
101 	spin_unlock_irqrestore(&p->lock, flags);  in p9_idpool_get()
108 	P9_DPRINTK(P9_DEBUG_MUX, " id %d pool %p\n", i, p);  in p9_idpool_get()
122 void p9_idpool_put(int id, struct p9_idpool *p)  in p9_idpool_put()  argument
126 	P9_DPRINTK(P9_DEBUG_MUX, " id %d pool %p\n", id, p);  in p9_idpool_put()
128 	spin_lock_irqsave(&p->lock, flags);  in p9_idpool_put()
129 	idr_remove(&p->pool, id);  in p9_idpool_put()
130 	spin_unlock_irqrestore(&p->lock, flags);  in p9_idpool_put()
140 int p9_idpool_check(int id, struct p9_idpool *p)  in p9_idpool_check()  argument
142 	return idr_find(&p->pool, id) != NULL;  in p9_idpool_check()