Function unmountFUSE

core/mount/fuse_linux.go:40–50

unmountFUSE attempts to unmount using fusermount/fusermount3 helper binary. For FUSE mounts, using these helper binaries is preferred, see: https://github.com/containerd/containerd/pull/3765#discussion_r342083514

(target string)

// For FUSE mounts, using these helper binaries is preferred, see:
// https://github.com/containerd/containerd/pull/3765#discussion_r342083514
func unmountFUSE(target string) error {
	var err error
	for _, helperBinary := range []string{"fusermount3", "fusermount"} {
		cmd := exec.Command(helperBinary, "-u", target)
		err = cmd.Run()
		if err == nil {
			return nil
		}
	}
	return err
}