From patchwork Tue Oct 16 16:30:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weston Andros Adamson X-Patchwork-Id: 1601731 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 5B736DFFED for ; Tue, 16 Oct 2012 16:31:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755123Ab2JPQbk (ORCPT ); Tue, 16 Oct 2012 12:31:40 -0400 Received: from mx2.netapp.com ([216.240.18.37]:16006 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754841Ab2JPQbj (ORCPT ); Tue, 16 Oct 2012 12:31:39 -0400 X-IronPort-AV: E=Sophos;i="4.80,595,1344236400"; d="scan'208";a="701308053" Received: from smtp1.corp.netapp.com ([10.57.156.124]) by mx2-out.netapp.com with ESMTP; 16 Oct 2012 09:31:20 -0700 Received: from francist-pc.hq.netapp.com (francist-pc.hq.netapp.com [10.55.76.177] (may be forged)) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id q9GGUnZc016423; Tue, 16 Oct 2012 09:31:19 -0700 (PDT) From: Weston Andros Adamson To: Trond.Myklebust@netapp.com Cc: linux-nfs@vger.kernel.org, Weston Andros Adamson Subject: [PATCH 23/25] SUNRPC: remove BUG_ON()s checking RPC_IS_QUEUED() Date: Tue, 16 Oct 2012 12:30:41 -0400 Message-Id: <1350405043-39316-23-git-send-email-dros@netapp.com> X-Mailer: git-send-email 1.7.9.6 (Apple Git-31.1) In-Reply-To: <1350405043-39316-1-git-send-email-dros@netapp.com> References: <1350405043-39316-1-git-send-email-dros@netapp.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Replace two BUG_ON() calls with WARN_ON_ONCE() and early returns. Signed-off-by: Weston Andros Adamson --- net/sunrpc/sched.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index 5dcc1ff..2d72af1 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -133,7 +133,9 @@ static void __rpc_add_wait_queue(struct rpc_wait_queue *queue, struct rpc_task *task, unsigned char queue_priority) { - BUG_ON (RPC_IS_QUEUED(task)); + WARN_ON_ONCE(RPC_IS_QUEUED(task)); + if (RPC_IS_QUEUED(task)) + return; if (RPC_IS_PRIORITY(queue)) __rpc_add_wait_queue_priority(queue, task, queue_priority); @@ -705,7 +707,9 @@ static void __rpc_execute(struct rpc_task *task) dprintk("RPC: %5u __rpc_execute flags=0x%x\n", task->tk_pid, task->tk_flags); - BUG_ON(RPC_IS_QUEUED(task)); + WARN_ON_ONCE(RPC_IS_QUEUED(task)); + if (RPC_IS_QUEUED(task)) + return; for (;;) { void (*do_action)(struct rpc_task *);