qemu: domain: introduce qemuDomainGetVHostUserFSSocketPath

Intended as a replacement for qemuVirtioFSCreateSocketFilename,
to be used outside of qemu_virtiofs.c

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>

src/qemu/qemu_domain.c

@@ -11440,3 +11440,14 @@ qemuDomainNamePathsCleanup(virQEMUDriverConfig *cfg,
 
     return 0;
 }
+
+
+char *
+qemuDomainGetVHostUserFSSocketPath(qemuDomainObjPrivate *priv,
+                                   const virDomainFSDef *fs)
+{
+    if (fs->sock)
+        return g_strdup(fs->sock);
+
+    return virFileBuildPath(priv->libDir, fs->info.alias, "-fs.sock");
+}

src/qemu/qemu_domain.h

@@ -1043,3 +1043,7 @@ int
 qemuDomainNamePathsCleanup(virQEMUDriverConfig *cfg,
                            const char *name,
                            bool bestEffort);
+
+char *
+qemuDomainGetVHostUserFSSocketPath(qemuDomainObjPrivate *priv,
+                                   const virDomainFSDef *fs);