Default FS cache under the mountpoint.

Default FS root under the mountpoint.

Try to use "mount" syscall instead of fusermount.

Allow to fall back to fusermount (probably doesn't matter given directMount false).

Name for the loopback filesystem.

original FS is for the loopback root.

mount with -o allowother.

Writes to /tmp/compatlibxxxx.

We use this wrapperFile type to hold the file handle This way we can make a direct association between open and close.

The custom Wrapper file allows us to carry forward the file handle.