commit 6b8f9c6e15af38129452e2ae5c58f4a5c4585678
author Xie Yongji <xieyongji@baidu.com> Wed Mar 20 19:26:46 2019 +0800
committer Michael S. Tsirkin <mst@redhat.com> Mon May 20 18:40:02 2019 -0400
tree ec2d2b706b4207cbeac50f081e95437773beda8d
parent 77542d431491788d1e8e79d93ce10172ef207775

contrib/vhost-user-blk: enable inflight I/O tracking

This patch enables inflight I/O tracking for
vhost-user-blk backend so that we could restart it safely.

Signed-off-by: Xie Yongji <xieyongji@baidu.com>
Signed-off-by: Zhang Yu <zhangyu31@baidu.com>
Message-Id: <20190320112646.3712-8-xieyongji@baidu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

contrib/vhost-user-blk/vhost-user-blk.c

diff --git a/contrib/vhost-user-blk/vhost-user-blk.c b/contrib/vhost-user-blk/vhost-user-blk.c
index 43583f2..86a3987 100644
--- a/contrib/vhost-user-blk/vhost-user-blk.c
+++ b/contrib/vhost-user-blk/vhost-user-blk.c
@@ -398,7 +398,8 @@
 static uint64_t
 vub_get_protocol_features(VuDev *dev)
 {
-    return 1ull << VHOST_USER_PROTOCOL_F_CONFIG;
+    return 1ull << VHOST_USER_PROTOCOL_F_CONFIG |
+           1ull << VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD;
 }
 
 static int