package daemon
 

 import (
 	"errors"
 
 	containertypes "github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/container"
 )

 // 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.
 //

 // 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
 }

 // isOnlineFSOperationPermitted returns an error if an online filesystem operation
 // is not permitted (such as stat or for copying). Running Hyper-V containers
 // cannot have their file-system interrogated from the host as the filter is
 // loaded inside the utility VM, not the host.
 // IMPORTANT: The container lock must NOT be held when calling this function.
 func (daemon *Daemon) isOnlineFSOperationPermitted(container *container.Container) error {
 	if !container.IsRunning() {
 		return nil
 	}
 
 	// Determine isolation. If not specified in the hostconfig, use daemon default.
 	actualIsolation := container.HostConfig.Isolation
 	if containertypes.Isolation.IsDefault(containertypes.Isolation(actualIsolation)) {
 		actualIsolation = daemon.defaultIsolation
 	}
 	if containertypes.Isolation.IsHyperV(actualIsolation) {
 		return errors.New("filesystem operations against a running Hyper-V container are not supported")
 	}
 	return nil
 }