diff --git a/daemon/archive_unix.go b/daemon/archive_unix.go
index 5db36d9bde..a0ac2c68e9 100644
--- a/daemon/archive_unix.go
+++ b/daemon/archive_unix.go
@@ -126,18 +126,11 @@ func (daemon *Daemon) containerExtractToDir(container *container.Container, path
 			return errdefs.InvalidParameter(errors.New("extraction point is not a directory"))
 		}
 
-		// Need to check if the path is in a volume. If it is, it cannot be in a
-		// read-only volume. If it is not in a volume, the container cannot be
-		// configured with a read-only rootfs.
-		toVolume, err := checkIfPathIsInAVolume(container, absPath)
-		if err != nil {
+		// Check that the destination is not a read-only filesystem.
+		if err := checkWritablePath(container, absPath); err != nil {
 			return err
 		}
 
-		if !toVolume && container.HostConfig.ReadonlyRootfs {
-			return errdefs.InvalidParameter(errors.New("container rootfs is marked read-only"))
-		}
-
 		options := daemon.defaultTarCopyOptions(noOverwriteDirNonDir)
 
 		if copyUIDGID {
@@ -161,19 +154,22 @@ func (daemon *Daemon) containerExtractToDir(container *container.Container, path
 	return nil
 }
 
-// checkIfPathIsInAVolume checks if the path is in a volume. If it is, it
-// cannot be in a read-only volume. If it  is not in a volume, the container
-// cannot be configured with a read-only rootfs.
-func checkIfPathIsInAVolume(container *container.Container, absPath string) (bool, error) {
-	var toVolume bool
+// checkWritablePath checks if the path is in a writable location inside the
+// container. If the path is within a location mounted from a volume, it checks
+// if the volume is mounted read-only. If it is not in a volume, it checks whether
+// the container's rootfs is mounted read-only.
+func checkWritablePath(ctr *container.Container, absPath string) error {
 	parser := volumemounts.NewParser()
-	for _, mnt := range container.MountPoints {
-		if toVolume = parser.HasResource(mnt, absPath); toVolume {
+	for _, mnt := range ctr.MountPoints {
+		if isVolumePath := parser.HasResource(mnt, absPath); isVolumePath {
 			if mnt.RW {
-				break
+				return nil
 			}
-			return false, errdefs.InvalidParameter(errors.New("mounted volume is marked read-only"))
+			return errdefs.InvalidParameter(errors.New("mounted volume is marked read-only"))
 		}
 	}
-	return toVolume, nil
+	if ctr.HostConfig.ReadonlyRootfs {
+		return errdefs.InvalidParameter(errors.New("container rootfs is marked read-only"))
+	}
+	return nil
 }
diff --git a/daemon/archive_windows.go b/daemon/archive_windows.go
index 32f8fc9e4a..e20cfa2699 100644
--- a/daemon/archive_windows.go
+++ b/daemon/archive_windows.go
@@ -229,18 +229,11 @@ func (daemon *Daemon) containerExtractToDir(container *container.Container, path
 		}
 	}
 
-	// Make it an absolute path.
 	absPath = filepath.Join(string(filepath.Separator), baseRel)
-
-	toVolume, err := checkIfPathIsInAVolume(container, absPath)
-	if err != nil {
+	if err := checkWritablePath(container, absPath); err != nil {
 		return err
 	}
 
-	if !toVolume && container.HostConfig.ReadonlyRootfs {
-		return errdefs.InvalidParameter(errors.New("container rootfs is marked read-only"))
-	}
-
 	options := daemon.defaultTarCopyOptions(noOverwriteDirNonDir)
 	if err := chrootarchive.UntarWithRoot(content, resolvedPath, options, container.BaseFS); err != nil {
 		return err
@@ -324,14 +317,16 @@ func (daemon *Daemon) containerCopy(container *container.Container, resource str
 	return reader, nil
 }
 
-// checkIfPathIsInAVolume checks if the path is in a volume. If it is, it
-// cannot be in a read-only volume. If it  is not in a volume, the container
-// cannot be configured with a read-only rootfs.
+// checkWritablePath is a no-op on Windows, which does not support read-only
+// rootFS for containers, does not support read-only volumes, or extracting
+// to a mount point inside a volume.
 //
-// This is a no-op on Windows which does not support read-only volumes, or
-// extracting to a mount point inside a volume. TODO Windows: FIXME Post-TP5
-func checkIfPathIsInAVolume(container *container.Container, absPath string) (bool, error) {
-	return false, nil
+// TODO(thaJeztah): add check for writable path once windows supports read-only rootFS and (read-only) volumes during copy
+//
+// - e5261d6e4a1e96d4c0fa4b4480042046b695eda1 added "FIXME Post-TP4 / TP5"; check whether this would be possible to implement on Windows.
+// - e5261d6e4a1e96d4c0fa4b4480042046b695eda1 added "or extracting to a mount point inside a volume"; check whether this is is still true, and adjust this check accordingly
+func checkWritablePath(_ *container.Container, _ string) error {
+	return nil
 }
 
 // isOnlineFSOperationPermitted returns an error if an online filesystem operation