Systems, methods, and machine-readable instructions stored on machine-readable media are disclosed for copying a first permission of a file to a second permission of the file, wherein the file is stored on a host file system. The first permission is changed to a third permission. A request is received to access the file from a container file system. In response to the request and before providing the container file system with access to the file, changing the third permission to the second permission. The file is provided to the container file system based on the second permission.