prevent stopping when get STATUS_PENDING from server

lib/api/ensureDir.js

@@ -0,0 +1,46 @@
+import { request } from '../tools/smb2-forge';
+import Bluebird from 'bluebird';
+
+const requestAsync = Bluebird.promisify(request);
+
+const ensureOneDir = async function(path, connection) {
+  try {
+    const fileOrDir = await requestAsync('open', { path }, connection);
+    if (fileOrDir.FileAttributes.readIntBE(0, 1) === 0x00000010) {
+      // See http://download.microsoft.com/DOWNLOAD/9/5/E/95EF66AF-9026-4BB0-A41D-A4F81802D92C/[MS-FSCC].pdf Section 2.6
+      await requestAsync('close', fileOrDir, connection);
+    } else {
+      throw new Error(`${path} exists but is not a directory`);
+    }
+  } catch (err) {
+    if (err.code === 'STATUS_OBJECT_NAME_NOT_FOUND') {
+      try {
+        await requestAsync('create_folder', { path }, connection);
+      } catch (err) {
+        if (err.code !== 'STATUS_OBJECT_NAME_COLLISION') {
+          throw err;
+        }
+      }
+    } else {
+      throw err;
+    }
+  }
+};
+
+export default async function(path, cb) {
+  const structure = path.split('\\');
+  const base = [];
+  try {
+    while (structure.length) {
+      base.push(structure.shift());
+      const basePath = base.join('\\');
+      if (!basePath.length) {
+        continue;
+      }
+      await ensureOneDir(basePath, this);
+    }
+    cb(null);
+  } catch (error) {
+    cb(error);
+  }
+}

lib/api/writeFile.js

@@ -78,7 +78,7 @@ module.exports = function writeFile(filename, data, options, cb) {
     function callback() {
       return function(err) {
         if (stop) return;
-        if (err) {
+        if (err && err.code !== 'STATUS_PENDING') {
           cb && cb(err);
           stop = true;
         } else {