code: func (n *mutDir) Create(ctx context.Context, req *fuse.CreateRequest, res *fuse.CreateResponse) (fs.Node, fs.Handle, error) {
  	child, err := n.creat(ctx, req.Name, fileType)
  	if err != nil {
  		Logger.Printf("mutDir.Create(%q): %v", req.Name, err)
  		return nil, nil, fuse.EIO
  	}
  
  	// Create and return a file handle.
  	h, ferr := child.(*mutFile).newHandle(nil)
  	if ferr != nil {
  		return nil, nil, ferr
  	}
  
  	return child, h, nil
  }
docs: // Create of regular file. (not a dir)
  //
  // Flags are always 514:  O_CREAT is 0x200 | O_RDWR is 0x2.
  // From fuse_vnops.c:
  //    /* XXX: We /always/ creat() like this. Wish we were on Linux. */
  //    foi->flags = O_CREAT | O_RDWR;
  //
  // 2013/07/21 05:26:35 <- &{Create [ID=0x3 Node=0x8 Uid=61652 Gid=5000 Pid=13115] "x" fl=514 mode=-rw-r--r-- fuse.Intr}
  // 2013/07/21 05:26:36 -> 0x3 Create {LookupResponse:{Node:23 Generation:0 EntryValid:1m0s AttrValid:1m0s Attr:{Inode:15976986887557313215 Size:0 Blocks:0 Atime:2013-07-21 05:23:51.537251251 +1200 NZST Mtime:2013-07-21 05:23:51.537251251 +1200 NZST Ctime:2013-07-21 05:23:51.537251251 +1200 NZST Crtime:2013-07-21 05:23:51.537251251 +1200 NZST Mode:-rw------- Nlink:1 Uid:61652 Gid:5000 Rdev:0 Flags:0}} OpenResponse:{Handle:1 Flags:0}}