Method unmount

lib/internal/vfs/file_system.js:153–159

* Unmounts the VFS.

()

   * Unmounts the VFS.
   */
  unmount() {
    debug('unmount %s', this[kMountPoint]);
    loadVfsSetup();
    deregisterVFS(this);
    this[kMountPoint] = null;
    this[kMounted] = false;
  }

  /**
   * Disposes of the VFS by unmounting it.