Function FspFileSystemPreflight 

pub unsafe extern "C" fn FspFileSystemPreflight(
    DevicePath: PWSTR,
    MountPoint: PWSTR,
) -> NTSTATUS

Check whether creating a file system object is possible.

@param DevicePath The name of the control device for this file system. This must be either FSP_FSCTL_DISK_DEVICE_NAME or FSP_FSCTL_NET_DEVICE_NAME. @param MountPoint The mount point for the new file system. A value of NULL means that the file system should use the next available drive letter counting downwards from Z: as its mount point. @return STATUS_SUCCESS or error code.