}
	if err = checkPathLength(dstFilePath); err != nil {
		return err
	}

	if err = reliableRename(srcFilePath, dstFilePath, baseDir); err != nil {
		switch {
		case isSysErrNotDir(err) && !osIsNotExist(err):
			// Windows can have both isSysErrNotDir(err) and osIsNotExist(err) returning
			// true if the source file path contains an non-existent directory. In that case,

	for {
		if boff >= nbuf {
			boff = 0
			stop := globalOSMetrics.time(osMetricReadDirent)
			nbuf, err = syscall.ReadDirent(fd, buf)
			stop()
			if err != nil {
				if isSysErrNotDir(err) {
					return nil
				}
				err = osErrToFileErr(err)
				if err == errFileNotFound {
					return nil
				}
				return err
			}
			if nbuf <= 0 {
				break // EOF
			}
		}

func isSysErrIsDir(err error) bool {
	return errors.Is(err, syscall.EISDIR)
}

// Check if the given error corresponds to ENOTDIR (is not a directory).
func isSysErrNotDir(err error) bool {
	return errors.Is(err, syscall.ENOTDIR)
}

// Check if the given error corresponds to the ENAMETOOLONG (name too long).
func isSysErrTooLong(err error) bool {

func osErrToFileErr(err error) error {
	if err == nil {
		return nil
	}
	if osIsNotExist(err) {
		return errFileNotFound
	}
	if osIsPermission(err) {
		return errFileAccessDenied
	}
	if isSysErrNotDir(err) || isSysErrIsDir(err) {
		return errFileNotFound
	}
	if isSysErrPathNotFound(err) {
		return errFileNotFound
	}
	if isSysErrTooManyFiles(err) {
		return errTooManyOpenFiles
	}

			if err = Remove(dstFilePath); err != nil {
				if isSysErrNotEmpty(err) || isSysErrNotDir(err) {
					return errFileAccessDenied
				} else if isSysErrIO(err) {
					return errFaultyDisk
				}
				return err
			}
		}
	}

	if err = renameAll(srcFilePath, dstFilePath, dstVolumeDir); err != nil {
		if isSysErrNotEmpty(err) || isSysErrNotDir(err) {
			return errFileAccessDenied
		}

				if !isDirObj {
					if !isDirEmpty(pathJoinBuf(sb, volumeDir, meta.name), legacyFS) {
						dirStack = append(dirStack, meta.name+slashSeparator)
					}
				}
			case isSysErrNotDir(err):
				// skip
			}
		}

		// If directory entry left on stack, pop it now.
		for len(dirStack) > 0 {
			if opts.Limit > 0 && objsReturned >= opts.Limit {
				return nil
			}