staging/lustre/llite: remove unused ll_max_rw_chunk

ll_max_rw_chunk seems to be unused ever since we implemented CLIO in 2.0,
so remove it and all supporting infrastructure.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
3 files changed