[pve-devel] [PATCH qemu 1/2] PVE: Don't expect complete_cb to be called outside coroutine

[Stefan Reiter]

We're at the mercy of the rest of QEMU here, and it sometimes decides to
call pvebackup_complete_cb from a coroutine. This really doesn't matter
to us, so don't assert and crash on it.

Signed-off-by: Stefan Reiter <s.reiter at proxmox.com>
---
 pve-backup.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/pve-backup.c b/pve-backup.c
index 53cf23ed5a..9179754dcb 100644
--- a/pve-backup.c
+++ b/pve-backup.c
@@ -318,19 +318,18 @@ static void coroutine_fn pvebackup_co_complete_stream(void *opaque)
 
 static void pvebackup_complete_cb(void *opaque, int ret)
 {
-    assert(!qemu_in_coroutine());
-
     PVEBackupDevInfo *di = opaque;
     di->completed_ret = ret;
 
     /*
      * Schedule stream cleanup in async coroutine. close_image and finish might
-     * take a while, so we can't block on them here.
+     * take a while, so we can't block on them here. This way it also doesn't
+     * matter if we're already running in a coroutine or not.
      * Note: di is a pointer to an entry in the global backup_state struct, so
      * it stays valid.
      */
     Coroutine *co = qemu_coroutine_create(pvebackup_co_complete_stream, di);
-    aio_co_schedule(qemu_get_aio_context(), co);
+    aio_co_enter(qemu_get_aio_context(), co);
 }
 
 static void coroutine_fn pvebackup_co_cancel(void *opaque)
-- 
2.20.1