[Qemu-devel] [PATCH for-2.8 4/5] 9pfs: drop useless loop in v9fs_reset()

[Greg Kurz]

We don't need to wait for the PDU active list to be empty: virtfs_reset()
already takes care of that.

Signed-off-by: Greg Kurz <address@hidden>
---
 hw/9pfs/9p.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 75c6645de9ac..6fea68866a5c 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -3560,8 +3560,11 @@ typedef struct VirtfsCoResetData {
 static void coroutine_fn virtfs_co_reset(void *opaque)
 {
     VirtfsCoResetData *data = opaque;
+    V9fsPDU *fake_pdu = &data->pdu;
+    V9fsState *s = fake_pdu->s;
 
-    virtfs_reset(&data->pdu);
+    virtfs_reset(fake_pdu);
+    g_assert(QLIST_EMPTY(&s->active_list));
     data->done = true;
 }
 
@@ -3570,10 +3573,6 @@ void v9fs_reset(V9fsState *s)
     VirtfsCoResetData data = { .pdu = { .s = s }, .done = false };
     Coroutine *co;
 
-    while (!QLIST_EMPTY(&s->active_list)) {
-        aio_poll(qemu_get_aio_context(), true);
-    }
-
     co = qemu_coroutine_create(virtfs_co_reset, &data);
     qemu_coroutine_enter(co);