From patchwork Tue Apr 6 12:56:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gioh Kim X-Patchwork-Id: 12185233 X-Patchwork-Delegate: jgg@ziepe.ca 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 2CF91C433ED for ; Tue, 6 Apr 2021 12:56:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F30B7613AE for ; Tue, 6 Apr 2021 12:56:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243382AbhDFM5E (ORCPT ); Tue, 6 Apr 2021 08:57:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243376AbhDFM5E (ORCPT ); Tue, 6 Apr 2021 08:57:04 -0400 Received: from mail-ej1-x62b.google.com (mail-ej1-x62b.google.com [IPv6:2a00:1450:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A04F4C06174A for ; Tue, 6 Apr 2021 05:56:56 -0700 (PDT) Received: by mail-ej1-x62b.google.com with SMTP id u21so21743318ejo.13 for ; Tue, 06 Apr 2021 05:56:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ionos.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=phdW3EKeG62xJ5V2/ZsuufmrviD2OrwartQvXb73f3s=; b=K1TrXGaoLawZjLrko5cH7hbj1aox+6CKwfuNzuKRFieK28YijF8lnw2i74DRNumOAr +qtzU+4njmvVoKJ+EMiuRfUZ8vf+Y826yMeVPmMh/HvnpjANCrZt2e4ObzEeyYlSXXoV qdiVKu6Boh7LIgHNdeN6+OhTnqDhpHL+2hVQ6jnyfhFNU8jUwEtLOjLhlJsrOkQDFapi IOWJAUbB0a8MgLw32k6nKjbhvuxSOqMhpZVM7/HemSW/XFi/7S3JcNuMXvpEmPC9Feme DQE/xJQ+N4THXAXqfMW19YkiRz/ipvfWK+dIqe/tf+ZBNJxqRSlZtofmPAjkkie6LaB9 NFrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=phdW3EKeG62xJ5V2/ZsuufmrviD2OrwartQvXb73f3s=; b=UoT57p2lob1vzvUE4kDIa2ho5m6ex3i98/9eO7hofQGEc8oj5XtS4IuKzIufC1H7Wn bHclqoTwKHGWsAc1wfvjaR8ms/IFUleaBg46pyQTPOkovkQRkR9gsW0gZ6ylJYseF2kI 6PUy1qir9ly1sC2Ud/XDctWLh5mN9A56XyfJpuwTblTKlccuYp8eKk6qjcIC0ewlUcOd B7Ac7aF/m+aIlOs3mqWH/LqMgn/HRdRIh3w+ZZca72MHnF7RyOjZw397vzdTvT29I1HW IORqe9/SVbnLiijef5mST3DA58Vi4hED/uHC0MrZW1/8UGXI/1a0SycR0PBVB4afk0DF EAbQ== X-Gm-Message-State: AOAM532c3Lt3Wblmfxrm34banxBLaOpLEsZQY/XiW/jPWmUN39Peet6+ tElliDTsTZSdR/uAKMZSjZptfjAhA1eRqwWq X-Google-Smtp-Source: ABdhPJyQ1HN0znZodG2GAxocBDV7Hv7X+rleXNg04LZIFraVLnzSBbYCrnEx5hQYu91eAQrQq1K98Q== X-Received: by 2002:a17:906:845b:: with SMTP id e27mr11813682ejy.39.1617713815294; Tue, 06 Apr 2021 05:56:55 -0700 (PDT) Received: from gkim-laptop.fkb.profitbricks.net (ip5f5aeee5.dynamic.kabel-deutschland.de. [95.90.238.229]) by smtp.googlemail.com with ESMTPSA id hc43sm7741161ejc.97.2021.04.06.05.56.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Apr 2021 05:56:55 -0700 (PDT) From: Gioh Kim To: linux-rdma@vger.kernel.org Cc: bvanassche@acm.org, leon@kernel.org, dledford@redhat.com, jgg@ziepe.ca, haris.iqbal@ionos.com, jinpu.wang@ionos.com, Guoqing Jiang , Guoqing Jiang , Danil Kipnis , Gioh Kim Subject: [PATCH for-next] RDMA/rtrs-clt: Break if one sess is connected in rtrs_clt_is_connected Date: Tue, 6 Apr 2021 14:56:49 +0200 Message-Id: <20210406125649.204623-1-gi-oh.kim@ionos.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Guoqing Jiang No need to continue the loop if one sess is connected. Signed-off-by: Guoqing Jiang Reviewed-by: Danil Kipnis Signed-off-by: Gioh Kim Signed-off-by: Jack Wang --- drivers/infiniband/ulp/rtrs/rtrs-clt.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 5062328ac577..1b75d2e4860e 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -51,7 +51,10 @@ static inline bool rtrs_clt_is_connected(const struct rtrs_clt *clt) rcu_read_lock(); list_for_each_entry_rcu(sess, &clt->paths_list, s.entry) - connected |= READ_ONCE(sess->state) == RTRS_CLT_CONNECTED; + if (READ_ONCE(sess->state) == RTRS_CLT_CONNECTED) { + connected = true; + break; + } rcu_read_unlock(); return connected;