err = io.ErrUnexpectedEOF
			}
			return fmt.Errorf("readXLMetaNoData(readMore): %w", err)
		}
		return nil
	}
	tmp, major, minor, err := checkXL2V1(buf)
	if err != nil {
		err = readMore(size)
		return buf, err
	}
	switch major {
	case 1:
		switch minor {
		case 0:
			err = readMore(size)
			return buf, err
		case 1, 2, 3:
			sz, tmp, err := msgp.ReadBytesHeader(tmp)

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"os"
)

var (
	// No special option for reads on windows
	readMode = os.O_RDONLY

	// Write with sync no buffering only used only for `xl.meta` writes
	writeMode = os.O_SYNC

package cmd

import (
	"os"
	"syscall"
)

var (
	// Disallow updating access times
	// Add non-block to avoid syscall to attempt to set epoll on files.
	readMode = os.O_RDONLY | 0x40000 | syscall.O_NONBLOCK // O_NOATIME

	// Write with data sync only used only for `xl.meta` writes
	writeMode = 0x1000 | syscall.O_NONBLOCK // O_DSYNC

// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, fn func(name string, typ os.FileMode) error) error {
	fd, err := openFileWithFD(dirPath, readMode, 0o666)
	if err != nil {
		if osErrToFileErr(err) == errFileNotFound {
			return nil
		}
		if !osIsPermission(err) {
			return osErrToFileErr(err)
		}
		// There may be permission error when dirPath