RDMA/rtrs-clt: Fix the max_send_wr setting

RDMA/rtrs-clt: Fix the max_send_wr setting

[ Upstream commit 6d09f6f7d7584e099633282ea915988914f86529 ]

For each write request, we need Request, Response Memory Registration,
Local Invalidate.

Fixes: 6a98d71daea1 ("RDMA/rtrs: client: main functionality")
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Grzegorz Prajsner <grzegorz.prajsner@ionos.com>
Link: https://lore.kernel.org/r/20231120154146.920486-7-haris.iqbal@ionos.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>