diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 91d1126..45910ce 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1148,13 +1148,16 @@ static void cfq_put_queue(struct cfq_queue *cfqq)
 #define CIC_GANG_NR	16
 static unsigned int
 call_for_each_cic(struct io_context *ioc,
-		  void (*func)(struct io_context *, struct cfq_io_context *))
+		  void (*func)(struct io_context *, struct cfq_io_context *),
+		  int verbose)
 {
 	struct cfq_io_context *cics[CIC_GANG_NR];
 	unsigned long index = 0;
 	unsigned int called = 0;
 	int nr;
 
+	printk("cfq: entered\n");
+
 	rcu_read_lock();
 
 	do {
@@ -1167,14 +1170,19 @@ call_for_each_cic(struct io_context *ioc,
 		 */
 		nr = radix_tree_gang_lookup(&ioc->radix_root, (void **) cics,
 						index, CIC_GANG_NR);
+		if (verbose)
+			printk("cfq: got %d from %lu\n", nr, index);
 		if (!nr)
 			break;
 
 		called += nr;
 		index = 1 + (unsigned long) cics[nr - 1]->key;
 
-		for (i = 0; i < nr; i++)
+		for (i = 0; i < nr; i++) {
+			if (verbose)
+				printk("cfq: call for %p\n", cics[i]);
 			func(ioc, cics[i]);
+		}
 	} while (nr == CIC_GANG_NR);
 
 	rcu_read_unlock();
@@ -1204,7 +1212,7 @@ static void cfq_free_io_context(struct io_context *ioc)
 	 * linked into this ioc. So it should be ok to iterate over the known
 	 * list, we will see all cic's since no new ones are added.
 	 */
-	freed = call_for_each_cic(ioc, cic_free_func);
+	freed = call_for_each_cic(ioc, cic_free_func, 0);
 
 	elv_ioc_count_mod(ioc_count, -freed);
 
@@ -1267,7 +1275,7 @@ static void cfq_exit_single_io_context(struct io_context *ioc,
 static void cfq_exit_io_context(struct io_context *ioc)
 {
 	rcu_assign_pointer(ioc->ioc_data, NULL);
-	call_for_each_cic(ioc, cfq_exit_single_io_context);
+	call_for_each_cic(ioc, cfq_exit_single_io_context, 1);
 }
 
 static struct cfq_io_context *
@@ -1361,7 +1369,7 @@ static void changed_ioprio(struct io_context *ioc, struct cfq_io_context *cic)
 
 static void cfq_ioc_set_ioprio(struct io_context *ioc)
 {
-	call_for_each_cic(ioc, changed_ioprio);
+	call_for_each_cic(ioc, changed_ioprio, 0);
 	ioc->ioprio_changed = 0;
 }