Return-Path: Received: from mail-it0-f42.google.com ([209.85.214.42]:37638 "EHLO mail-it0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726749AbeIEBdT (ORCPT ); Tue, 4 Sep 2018 21:33:19 -0400 Received: by mail-it0-f42.google.com with SMTP id h20-v6so6706051itf.2 for ; Tue, 04 Sep 2018 14:06:28 -0700 (PDT) Received: from leira.trondhjem.org.localdomain (c-68-40-195-73.hsd1.mi.comcast.net. [68.40.195.73]) by smtp.gmail.com with ESMTPSA id t64-v6sm172860ita.13.2018.09.04.14.06.26 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 04 Sep 2018 14:06:26 -0700 (PDT) From: Trond Myklebust To: linux-nfs@vger.kernel.org Subject: [PATCH v2 22/34] SUNRPC: Simplify xprt_prepare_transmit() Date: Tue, 4 Sep 2018 17:05:37 -0400 Message-Id: <20180904210549.81673-23-trond.myklebust@hammerspace.com> In-Reply-To: <20180904210549.81673-22-trond.myklebust@hammerspace.com> References: <20180904210549.81673-1-trond.myklebust@hammerspace.com> <20180904210549.81673-2-trond.myklebust@hammerspace.com> <20180904210549.81673-3-trond.myklebust@hammerspace.com> <20180904210549.81673-4-trond.myklebust@hammerspace.com> <20180904210549.81673-5-trond.myklebust@hammerspace.com> <20180904210549.81673-6-trond.myklebust@hammerspace.com> <20180904210549.81673-7-trond.myklebust@hammerspace.com> <20180904210549.81673-8-trond.myklebust@hammerspace.com> <20180904210549.81673-9-trond.myklebust@hammerspace.com> <20180904210549.81673-10-trond.myklebust@hammerspace.com> <20180904210549.81673-11-trond.myklebust@hammerspace.com> <20180904210549.81673-12-trond.myklebust@hammerspace.com> <20180904210549.81673-13-trond.myklebust@hammerspace.com> <20180904210549.81673-14-trond.myklebust@hammerspace.com> <20180904210549.81673-15-trond.myklebust@hammerspace.com> <20180904210549.81673-16-trond.myklebust@hammerspace.com> <20180904210549.81673-17-trond.myklebust@hammerspace.com> <20180904210549.81673-18-trond.myklebust@hammerspace.com> <20180904210549.81673-19-trond.myklebust@hammerspace.com> <20180904210549.81673-20-trond.myklebust@hammerspace.com> <20180904210549.81673-21-trond.myklebust@hammerspace.com> <20180904210549.81673-22-trond.myklebust@hammerspace.com> MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: Remove the checks for whether or not we need to transmit, and whether or not a reply has been received. Those are already handled in call_transmit() itself. Signed-off-by: Trond Myklebust --- net/sunrpc/xprt.c | 21 +++------------------ 1 file changed, 3 insertions(+), 18 deletions(-) diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 305aa9570873..f1301d391399 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1102,27 +1102,12 @@ bool xprt_prepare_transmit(struct rpc_task *task) { struct rpc_rqst *req = task->tk_rqstp; struct rpc_xprt *xprt = req->rq_xprt; - bool ret = false; dprintk("RPC: %5u xprt_prepare_transmit\n", task->tk_pid); - spin_lock_bh(&xprt->transport_lock); - if (!req->rq_bytes_sent) { - if (req->rq_reply_bytes_recvd) { - task->tk_status = req->rq_reply_bytes_recvd; - goto out_unlock; - } - if (!test_bit(RPC_TASK_NEED_XMIT, &task->tk_runstate)) - goto out_unlock; - } - if (!xprt->ops->reserve_xprt(xprt, task)) { - task->tk_status = -EAGAIN; - goto out_unlock; - } - ret = true; -out_unlock: - spin_unlock_bh(&xprt->transport_lock); - return ret; + if (!xprt_lock_write(xprt, task)) + return false; + return true; } void xprt_end_transmit(struct rpc_task *task) -- 2.17.1