irq_poll: mark __irq_poll_complete static

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
diff --git a/lib/irq_poll.c b/lib/irq_poll.c
index 53d67e3..2836620 100644
--- a/lib/irq_poll.c
+++ b/lib/irq_poll.c
@@ -47,13 +47,12 @@
  *     See irq_poll_complete(). This function must be called with interrupts
  *     disabled.
  **/
-void __irq_poll_complete(struct irq_poll *iop)
+static void __irq_poll_complete(struct irq_poll *iop)
 {
 	list_del(&iop->list);
 	smp_mb__before_atomic();
 	clear_bit_unlock(IRQ_POLL_F_SCHED, &iop->state);
 }
-EXPORT_SYMBOL(__irq_poll_complete);
 
 /**
  * irq_poll_complete - Mark this @iop as un-polled again