1// +build !windows
2
3package layer // import "github.com/docker/docker/layer"
4
5import "runtime"
6
7// setOS writes the "os" file to the layer filestore
8func (fm *fileMetadataTransaction) setOS(os string) error {
9	return nil
10}
11
12// getOS reads the "os" file from the layer filestore
13func (fms *fileMetadataStore) getOS(layer ChainID) (string, error) {
14	return runtime.GOOS, nil
15}
16