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-rw-r--r--blockdev-nbd.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/blockdev-nbd.c b/blockdev-nbd.c
index 7f6531cba0..711e0e72bd 100644
--- a/blockdev-nbd.c
+++ b/blockdev-nbd.c
@@ -30,18 +30,18 @@ typedef struct NBDServerData {
 } NBDServerData;
 
 static NBDServerData *nbd_server;
-static bool is_qemu_nbd;
+static int qemu_nbd_connections = -1; /* Non-negative if this is qemu-nbd */
 
 static void nbd_update_server_watch(NBDServerData *s);
 
-void nbd_server_is_qemu_nbd(bool value)
+void nbd_server_is_qemu_nbd(int max_connections)
 {
-    is_qemu_nbd = value;
+    qemu_nbd_connections = max_connections;
 }
 
 bool nbd_server_is_running(void)
 {
-    return nbd_server || is_qemu_nbd;
+    return nbd_server || qemu_nbd_connections >= 0;
 }
 
 static void nbd_blockdev_client_closed(NBDClient *client, bool ignored)