From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f195.google.com ([209.85.223.195]:36773 "EHLO mail-io0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750825AbdE3SOM (ORCPT ); Tue, 30 May 2017 14:14:12 -0400 Subject: [PATCH v1 01/17] ib_core: Enable and expose force_mr module parameter From: Chuck Lever To: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Date: Tue, 30 May 2017 14:14:10 -0400 Message-ID: <20170530181410.2992.90842.stgit@klimt.1015granger.net> In-Reply-To: <20170530175808.2992.60365.stgit@klimt.1015granger.net> References: <20170530175808.2992.60365.stgit@klimt.1015granger.net> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-nfs-owner@vger.kernel.org List-ID: The fourth parameter of the module_param_named macro is a set of file permissions. Passing 0 there means that module parameter is not created and that adding "options ib_core force_mr=1" to a modprobe.conf file has no effect. The default setting of rdma_rw_force_mr continues to be 0, or false. Fixes: a060b5629ab0 ("IB/core: generic RDMA READ/WRITE API") Signed-off-by: Chuck Lever --- drivers/infiniband/core/rw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/rw.c b/drivers/infiniband/core/rw.c index dbfd854..1cc8f07 100644 --- a/drivers/infiniband/core/rw.c +++ b/drivers/infiniband/core/rw.c @@ -23,7 +23,7 @@ enum { }; static bool rdma_rw_force_mr; -module_param_named(force_mr, rdma_rw_force_mr, bool, 0); +module_param_named(force_mr, rdma_rw_force_mr, bool, 0644); MODULE_PARM_DESC(force_mr, "Force usage of MRs for RDMA READ/WRITE operations"); /*