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[Qemu-devel] [PATCH v5 6/6] contrib/vhost-user-blk: enable inflight I/O


From: elohimes
Subject: [Qemu-devel] [PATCH v5 6/6] contrib/vhost-user-blk: enable inflight I/O tracking
Date: Tue, 22 Jan 2019 16:31:52 +0800

From: Xie Yongji <address@hidden>

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

Signed-off-by: Xie Yongji <address@hidden>
Signed-off-by: Zhang Yu <address@hidden>
---
 contrib/vhost-user-blk/vhost-user-blk.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/contrib/vhost-user-blk/vhost-user-blk.c 
b/contrib/vhost-user-blk/vhost-user-blk.c
index 858221ad95..8cc033946a 100644
--- a/contrib/vhost-user-blk/vhost-user-blk.c
+++ b/contrib/vhost-user-blk/vhost-user-blk.c
@@ -327,7 +327,8 @@ vub_get_features(VuDev *dev)
 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
-- 
2.17.1




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