// fdatasync() at the end instead of opening the file with O_DSYNC.
		//
		// This is an optimization mainly to ensure faster I/O.
		if len(b) > xioutil.DirectioAlignSize {
			r := bytes.NewReader(b)
			return s.writeAllDirect(ctx, filePath, r.Size(), r, flags, skipParent, true)
		}
		w, err = s.openFileSync(filePath, flags, skipParent)
	} else {
		w, err = s.openFile(filePath, flags, skipParent)
	}

pkg archive/tar, const TypeRegA ideal-char
pkg archive/tar, const TypeSymlink ideal-char
pkg archive/tar, const TypeXGlobalHeader ideal-char
pkg archive/tar, const TypeXHeader ideal-char
pkg archive/tar, func NewReader(io.Reader) *Reader
pkg archive/tar, func NewWriter(io.Writer) *Writer
pkg archive/tar, method (*Reader) Next() (*Header, error)
pkg archive/tar, method (*Reader) Read([]uint8) (int, error)