From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753080AbaCACR1 (ORCPT ); Fri, 28 Feb 2014 21:17:27 -0500 Received: from linuxhacker.ru ([217.76.32.60]:42613 "EHLO fiona.linuxhacker.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752941AbaCACRX (ORCPT ); Fri, 28 Feb 2014 21:17:23 -0500 From: Oleg Drokin To: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org Cc: Liang Zhen , Oleg Drokin Subject: [PATCH 11/17] lustre/ptlrpc: rq_commit_cb is called for twice Date: Fri, 28 Feb 2014 21:16:40 -0500 Message-Id: <1393640206-20286-12-git-send-email-green@linuxhacker.ru> X-Mailer: git-send-email 1.8.5.3 In-Reply-To: <1393640206-20286-1-git-send-email-green@linuxhacker.ru> References: <1393640206-20286-1-git-send-email-green@linuxhacker.ru> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Liang Zhen If a ptlrpc_request is already on imp::imp_replay_list, when it's replayed and replied, after_reply() will call req::rq_commit_cb for the request, then call it again in ptlrpc_free_committed. Signed-off-by: Liang Zhen Reviewed-on: http://review.whamcloud.com/8815 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3618 Reviewed-by: Alex Zhuravlev Reviewed-by: Bobi Jam Reviewed-by: Oleg Drokin Signed-off-by: Oleg Drokin --- drivers/staging/lustre/lustre/ptlrpc/client.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c index a32b722..b6d831a 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/client.c +++ b/drivers/staging/lustre/lustre/ptlrpc/client.c @@ -1313,7 +1313,11 @@ static int after_reply(struct ptlrpc_request *req) /** version recovery */ ptlrpc_save_versions(req); ptlrpc_retain_replayable_request(req, imp); - } else if (req->rq_commit_cb != NULL) { + } else if (req->rq_commit_cb != NULL && + list_empty(&req->rq_replay_list)) { + /* NB: don't call rq_commit_cb if it's already on + * rq_replay_list, ptlrpc_free_committed() will call + * it later, see LU-3618 for details */ spin_unlock(&imp->imp_lock); req->rq_commit_cb(req); spin_lock(&imp->imp_lock); -- 1.8.5.3