Close all block drivers on quitqemu-kvm-0.14.0-rc0

Following 2bc93fed76c89f7adaa0e5bb3, close all block drivers on quit.
Fixes qcow2 data loss after quit due to qcowcache being volatile.

Signed-off-by: Avi Kivity <avi@redhat.com>
(cherry picked from commit 9d9468914ea5e5a09ac93bd262c69a3333232d56)

1 files changed, 1 insertions, 0 deletions

diff --git a/qemu-kvm.c b/qemu-kvm.c
index 49741796f..49cd6837c 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -1606,6 +1606,7 @@ int kvm_main_loop(void)
         }
     }
 
+    bdrv_close_all();
     pause_all_threads();
     pthread_mutex_unlock(&qemu_mutex);