From patchwork Wed Jul 18 16:25:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 10532897 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C48D960547 for ; Wed, 18 Jul 2018 16:25:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B6E112999A for ; Wed, 18 Jul 2018 16:25:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AABA42999D; Wed, 18 Jul 2018 16:25:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 41C722999F for ; Wed, 18 Jul 2018 16:25:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731468AbeGRRER (ORCPT ); Wed, 18 Jul 2018 13:04:17 -0400 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:33647 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731470AbeGRREQ (ORCPT ); Wed, 18 Jul 2018 13:04:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1531931137; x=1563467137; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=MMgboQwTq+thNeDlugNLCT+2yA5tEg4SUh9mbY8l7/4=; b=fywnO25UCCB9U3vptoc+hPFAuQLjZ0dW6HxfHMaxj1rHlXABzdlfGGnt tvAGjycniDX2qoPKC1lghJt6lp8lpINP+DYut/O5kyxqVSeM1ZZXZGiQZ Hk6HsMOeD5Vk9Oj8TAlG/nugQGcSO3+epq4yuPueEzlZ3mn6jPMV/SkZU kNXyI+W3NPs6SD9AnqMN0RJ41d8R4SaCXMd85A2j9O05nspTVDT1Io7CN RVoXqbW60U3p+J1M80DY3tp+rOGMfFU08BGiBmrn6NAvJWGePuK4sgQxc Bti+OXZyQO/0MSNm2XYRUtWAyHzhd8uukbE719dOlj9Bwqzu/fn4btE7r g==; X-IronPort-AV: E=Sophos;i="5.51,371,1526313600"; d="scan'208";a="85087592" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 19 Jul 2018 00:25:36 +0800 Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP; 18 Jul 2018 09:14:07 -0700 Received: from thinkpad-bart.sdcorp.global.sandisk.com ([10.111.67.248]) by uls-op-cesaip02.wdc.com with ESMTP; 18 Jul 2018 09:25:36 -0700 From: Bart Van Assche To: Jason Gunthorpe Cc: Doug Ledford , linux-rdma@vger.kernel.org, Bart Van Assche , Ursula Braun Subject: [PATCH v5 18/20] net/smc: Simplify ib_post_(send|recv|srq_recv)() calls Date: Wed, 18 Jul 2018 09:25:30 -0700 Message-Id: <20180718162532.14633-19-bart.vanassche@wdc.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180718162532.14633-1-bart.vanassche@wdc.com> References: <20180718162532.14633-1-bart.vanassche@wdc.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of declaring and passing a dummy 'bad_wr' pointer, pass NULL as third argument to ib_post_(send|recv|srq_recv)(). Signed-off-by: Bart Van Assche Cc: Ursula Braun Acked-by: Ursula Braun --- net/smc/smc_tx.c | 3 +-- net/smc/smc_wr.c | 8 ++------ net/smc/smc_wr.h | 3 +-- 3 files changed, 4 insertions(+), 10 deletions(-) diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c index cee666400752..a171c168f98e 100644 --- a/net/smc/smc_tx.c +++ b/net/smc/smc_tx.c @@ -255,7 +255,6 @@ static int smc_tx_rdma_write(struct smc_connection *conn, int peer_rmbe_offset, int num_sges, struct ib_sge sges[]) { struct smc_link_group *lgr = conn->lgr; - struct ib_send_wr *failed_wr = NULL; struct ib_rdma_wr rdma_wr; struct smc_link *link; int rc; @@ -273,7 +272,7 @@ static int smc_tx_rdma_write(struct smc_connection *conn, int peer_rmbe_offset, /* offset within RMBE */ peer_rmbe_offset; rdma_wr.rkey = lgr->rtokens[conn->rtoken_idx][SMC_SINGLE_LINK].rkey; - rc = ib_post_send(link->roce_qp, &rdma_wr.wr, &failed_wr); + rc = ib_post_send(link->roce_qp, &rdma_wr.wr, NULL); if (rc) { conn->local_tx_ctrl.conn_state_flags.peer_conn_abort = 1; smc_lgr_terminate(lgr); diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c index 8b9bdd9bc615..de1a438cf977 100644 --- a/net/smc/smc_wr.c +++ b/net/smc/smc_wr.c @@ -240,15 +240,13 @@ int smc_wr_tx_put_slot(struct smc_link *link, */ int smc_wr_tx_send(struct smc_link *link, struct smc_wr_tx_pend_priv *priv) { - struct ib_send_wr *failed_wr = NULL; struct smc_wr_tx_pend *pend; int rc; ib_req_notify_cq(link->smcibdev->roce_cq_send, IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS); pend = container_of(priv, struct smc_wr_tx_pend, priv); - rc = ib_post_send(link->roce_qp, &link->wr_tx_ibs[pend->idx], - &failed_wr); + rc = ib_post_send(link->roce_qp, &link->wr_tx_ibs[pend->idx], NULL); if (rc) { struct smc_link_group *lgr = container_of(link, struct smc_link_group, @@ -263,7 +261,6 @@ int smc_wr_tx_send(struct smc_link *link, struct smc_wr_tx_pend_priv *priv) /* Register a memory region and wait for result. */ int smc_wr_reg_send(struct smc_link *link, struct ib_mr *mr) { - struct ib_send_wr *failed_wr = NULL; int rc; ib_req_notify_cq(link->smcibdev->roce_cq_send, @@ -272,8 +269,7 @@ int smc_wr_reg_send(struct smc_link *link, struct ib_mr *mr) link->wr_reg.wr.wr_id = (u64)(uintptr_t)mr; link->wr_reg.mr = mr; link->wr_reg.key = mr->rkey; - failed_wr = &link->wr_reg.wr; - rc = ib_post_send(link->roce_qp, &link->wr_reg.wr, &failed_wr); + rc = ib_post_send(link->roce_qp, &link->wr_reg.wr, NULL); if (rc) return rc; diff --git a/net/smc/smc_wr.h b/net/smc/smc_wr.h index 210bec3c3ebe..1d85bb14fd6f 100644 --- a/net/smc/smc_wr.h +++ b/net/smc/smc_wr.h @@ -63,7 +63,6 @@ static inline void smc_wr_tx_set_wr_id(atomic_long_t *wr_tx_id, long val) /* post a new receive work request to fill a completed old work request entry */ static inline int smc_wr_rx_post(struct smc_link *link) { - struct ib_recv_wr *bad_recv_wr = NULL; int rc; u64 wr_id, temp_wr_id; u32 index; @@ -72,7 +71,7 @@ static inline int smc_wr_rx_post(struct smc_link *link) temp_wr_id = wr_id; index = do_div(temp_wr_id, link->wr_rx_cnt); link->wr_rx_ibs[index].wr_id = wr_id; - rc = ib_post_recv(link->roce_qp, &link->wr_rx_ibs[index], &bad_recv_wr); + rc = ib_post_recv(link->roce_qp, &link->wr_rx_ibs[index], NULL); return rc; }