diff --git a/block/qed.c b/block/qed.c
index 324ca0e95a..bda00e6257 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -254,7 +254,7 @@ static CachedL2Table *qed_new_l2_table(BDRVQEDState *s)
     return l2_table;
 }
 
-static bool qed_plug_allocating_write_reqs(BDRVQEDState *s)
+static bool coroutine_fn qed_plug_allocating_write_reqs(BDRVQEDState *s)
 {
     qemu_co_mutex_lock(&s->table_lock);
 
@@ -273,7 +273,7 @@ static bool qed_plug_allocating_write_reqs(BDRVQEDState *s)
     return true;
 }
 
-static void qed_unplug_allocating_write_reqs(BDRVQEDState *s)
+static void coroutine_fn qed_unplug_allocating_write_reqs(BDRVQEDState *s)
 {
     qemu_co_mutex_lock(&s->table_lock);
     assert(s->allocating_write_reqs_plugged);