Allow getting all mount options as array

lib/private/files/mount/mountpoint.php

@@ -209,4 +209,13 @@ class MountPoint implements IMountPoint {
 	public function getOption($name, $default) {
 		return isset($this->mountOptions[$name]) ? $this->mountOptions[$name] : $default;
 	}
+
+	/**
+	 * Get all options for the mount
+	 *
+	 * @return array
+	 */
+	public function getOptions() {
+		return $this->mountOptions;
+	}
 }

lib/public/files/mount/imountpoint.php

@@ -64,4 +64,11 @@ interface IMountPoint {
 	 * @return mixed
 	 */
 	public function getOption($name, $default);
+
+	/**
+	 * Get all options for the mount
+	 *
+	 * @return array
+	 */
+	public function getOptions();
 }