storage: Move to "r6" of the Stratis D-Bus API

As a preparation to support file size limits.

pkg/storaged/client.js

@@ -1378,7 +1378,7 @@ client.stratis_start = () => {
 // not allowed.  If we need to bump it, it should be bumped here for all
 // of them at the same time.
 //
-const stratis3_interface_revision = "r5";
+const stratis3_interface_revision = "r6";
 
 function stratis3_start() {
     const stratis = cockpit.dbus("org.storage.stratis3", { superuser: "try" });
@@ -1399,17 +1399,13 @@ function stratis3_start() {
                             .input(passphrase);
                 };
 
-                client.stratis_set_overprovisioning = (pool, flag) => {
-                    // DBusProxy is smart enough to allow
-                    // "pool.Overprovisioning = flag" to just work,
-                    // but we want to catch any error ourselves, and
-                    // we want to wait for the method call to
-                    // complete.
-                    return stratis.call(pool.path, "org.freedesktop.DBus.Properties", "Set",
-                                        ["org.storage.stratis3.pool." + stratis3_interface_revision,
-                                            "Overprovisioning",
-                                            cockpit.variant("b", flag)
-                                        ]);
+                client.stratis_set_property = (proxy, prop, sig, value) => {
+                    // DBusProxy is smart enough to allow "proxy.Prop
+                    // = value" to just work, but we want to catch any
+                    // error ourselves, and we want to wait for the
+                    // method call to complete.
+                    return stratis.call(proxy.path, "org.freedesktop.DBus.Properties", "Set",
+                                        [proxy.iface, prop, cockpit.variant(sig, value)]);
                 };
 
                 client.features.stratis = true;

pkg/storaged/stratis/create-dialog.jsx

@@ -134,7 +134,9 @@ export function create_stratis_pool() {
                                         const path = result[1][0];
                                         return client.wait_for(() => client.stratis_pools[path])
                                                 .then(pool => {
-                                                    return client.stratis_set_overprovisioning(pool, false);
+                                                    return client.stratis_set_property(pool,
+                                                                                       "Overprovisioning",
+                                                                                       "b", false);
                                                 });
                                     }
                                 });

pkg/storaged/stratis/pool.jsx

@@ -115,15 +115,15 @@ function create_fs(pool) {
         update: update_at_boot_input,
         Action: {
             Variants: action_variants,
-            action: function (vals) {
-                return pool.CreateFilesystems([[vals.name, vals.size ? [true, vals.size.toString()] : [false, ""]]])
-                        .then(std_reply)
-                        .then(result => {
-                            if (result[0])
-                                return set_mount_options(result[1][0][0], vals, forced_options);
-                            else
-                                return Promise.resolve();
-                        });
+            action: async function (vals) {
+                let size_spec = [false, ""];
+
+                if (managed_fsys_sizes)
+                    size_spec = [true, vals.size.toString()];
+
+                const result = await pool.CreateFilesystems([[vals.name, size_spec, [false, ""]]]).then(std_reply);
+                if (result[0])
+                    await set_mount_options(result[1][0][0], vals, forced_options);
             }
         }
     });