Function spawn_mount_writable 

pub fn spawn_mount_writable<B, S>(
    filesystem: LinuxWritableFilesystem<B, S>,
    mountpoint: impl AsRef<Path>,
    config: &LinuxMountConfig,
) -> Result<LinuxBackgroundSession>
where
    B: CloudFilesBackend + 'static,
    S: LinuxWritebackStore + 'static,

Spawns a writable direct-I/O FUSE session with a kernel invalidation handle.

Errors

Returns an error when the mountpoint cannot be opened or the background FUSE session cannot be started.