From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83866C56202 for ; Tue, 10 Nov 2020 23:29:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E8202080A for ; Tue, 10 Nov 2020 23:29:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="grPKbWmm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727275AbgKJX3V (ORCPT ); Tue, 10 Nov 2020 18:29:21 -0500 Received: from mail.kernel.org ([198.145.29.99]:39158 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731954AbgKJX3U (ORCPT ); Tue, 10 Nov 2020 18:29:20 -0500 Received: from localhost.localdomain (c-68-36-133-222.hsd1.mi.comcast.net [68.36.133.222]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BE8D220809 for ; Tue, 10 Nov 2020 23:29:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605050960; bh=lWgCuMfIWz0fzMo/imC0bvLSQ3HnAi5mh1XUrvwvNug=; h=From:To:Subject:Date:In-Reply-To:References:From; b=grPKbWmmvbeULyPcKo4rdJFopidJxEEeE9oIooHGtYSXVX0+Wb5aLIykzavGB1nU+ chaYAikKIit0CF0Jht1VaVaKwy0Kd4Ek4oydXnIimlk0qBS9Gp7ipkIjGt41q6ft0n CYQVRWFf6Kj0WiC3Gpcuv5nDyxi/hR9nKDBTnFEk= From: trondmy@kernel.org To: linux-nfs@vger.kernel.org Subject: [PATCH v3 03/11] SUNRPC: Add a helper to return the transport identifier given a netid Date: Tue, 10 Nov 2020 18:18:58 -0500 Message-Id: <20201110231906.863446-4-trondmy@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201110231906.863446-3-trondmy@kernel.org> References: <20201110231906.863446-1-trondmy@kernel.org> <20201110231906.863446-2-trondmy@kernel.org> <20201110231906.863446-3-trondmy@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Trond Myklebust Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprt.h | 1 + net/sunrpc/xprt.c | 25 +++++++++++++++++++++---- 2 files changed, 22 insertions(+), 4 deletions(-) diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 3ac5037d1c3d..f7b75c72f80e 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -386,6 +386,7 @@ xprt_disable_swap(struct rpc_xprt *xprt) int xprt_register_transport(struct xprt_class *type); int xprt_unregister_transport(struct xprt_class *type); int xprt_load_transport(const char *); +int xprt_find_transport_ident(const char *); void xprt_wait_for_reply_request_def(struct rpc_task *task); void xprt_wait_for_reply_request_rtt(struct rpc_task *task); void xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status); diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 29de33ea53d6..1016265d5e53 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -219,22 +219,39 @@ xprt_class_find_by_netid(const char *netid) } /** - * xprt_load_transport - load a transport implementation + * xprt_find_transport_ident - convert a netid into a transport identifier * @netid: transport to load * * Returns: - * 0: transport successfully loaded + * > 0: transport identifier * -ENOENT: transport module not available */ -int xprt_load_transport(const char *netid) +int xprt_find_transport_ident(const char *netid) { const struct xprt_class *t; + int ret; t = xprt_class_find_by_netid(netid); if (!t) return -ENOENT; + ret = t->ident; xprt_class_release(t); - return 0; + return ret; +} +EXPORT_SYMBOL_GPL(xprt_find_transport_ident); + +/** + * xprt_load_transport - load a transport implementation + * @netid: transport to load + * + * Returns: + * 0: transport successfully loaded + * -ENOENT: transport module not available + */ +int xprt_load_transport(const char *netid) +{ + int ret = xprt_find_transport_ident(netid); + return ret < 0 ? ret : 0; } EXPORT_SYMBOL_GPL(xprt_load_transport); -- 2.28.0