commit 3783fa3dd3d0104e9780bde073f66f1e37f1ce1c
author Paolo Bonzini <pbonzini@redhat.com> Mon Jun 05 14:39:02 2017 +0200
committer Fam Zheng <famz@redhat.com> Fri Jun 16 07:55:00 2017 +0800
tree eee263b38e7576626762e5498b67858e7297e787
parent 47fec59941a7182380bc8dde3faf17cfb05b770f

block: protect tracked_requests and flush_queue with reqs_lock

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20170605123908.18777-14-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>

block.c

diff --git a/block.c b/block.c
index 361005c..a5cbd45 100644
--- a/block.c
+++ b/block.c
@@ -320,6 +320,7 @@
         QLIST_INIT(&bs->op_blockers[i]);
     }
     notifier_with_return_list_init(&bs->before_write_notifiers);
+    qemu_co_mutex_init(&bs->reqs_lock);
     bs->refcnt = 1;
     bs->aio_context = qemu_get_aio_context();