From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS 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 DAD60C282DD for ; Sun, 3 Feb 2019 15:30:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A6CA5217D6 for ; Sun, 3 Feb 2019 15:30:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549207844; bh=hzyFplip8zd6cIbkSDtLJkvQl3LBveV9uke+r82lHyE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=nb9gp78c+F67W6KJEsqIVPKJifyVj4R9m75H9iUvEATWIiPCzbwlHWkIZcH3D0Jij FtI8eLrkKSNz+8rud1eP3mrq6Xzn0JHuMbUU35f+tgqpQaxuOhBJzUpSXeGHAm/gLy WW2C6WPVmY4/xIji4xZbbKMRtq90yjh3aj6Ryg0Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728441AbfBCPam (ORCPT ); Sun, 3 Feb 2019 10:30:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44516 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728376AbfBCPai (ORCPT ); Sun, 3 Feb 2019 10:30:38 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E4FBCC05E753; Sun, 3 Feb 2019 15:30:37 +0000 (UTC) Received: from krava.redhat.com (ovpn-204-46.brq.redhat.com [10.40.204.46]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3CBF75C238; Sun, 3 Feb 2019 15:30:35 +0000 (UTC) From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Adrian Hunter , Andi Kleen , Stephane Eranian , Alexey Budankov Subject: [PATCH 05/14] perf data: Make check_backup work over directories Date: Sun, 3 Feb 2019 16:30:09 +0100 Message-Id: <20190203153018.9650-6-jolsa@kernel.org> In-Reply-To: <20190203153018.9650-1-jolsa@kernel.org> References: <20190203153018.9650-1-jolsa@kernel.org> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Sun, 03 Feb 2019 15:30:38 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changing check_backup to work also over directory path. Also moving the call earlier in the path, so it can rename also directory data. Link: http://lkml.kernel.org/n/tip-j4lwm20en1yk1hsaqb8zpxkr@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/util/data.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index e16d06ed1100..0a3051cc0ea0 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -37,12 +37,15 @@ static int check_backup(struct perf_data *data) { struct stat st; + if (perf_data__is_read(data)) + return 0; + if (!stat(data->path, &st) && st.st_size) { /* TODO check errors properly */ char oldname[PATH_MAX]; snprintf(oldname, sizeof(oldname), "%s.old", data->path); - unlink(oldname); + rm_rf(oldname); rename(data->path, oldname); } @@ -95,9 +98,6 @@ static int open_file_write(struct perf_data *data) int fd; char sbuf[STRERR_BUFSIZE]; - if (check_backup(data)) - return -1; - fd = open(data->file.path, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, S_IRUSR|S_IWUSR); @@ -141,6 +141,9 @@ int perf_data__open(struct perf_data *data) if (!data->path) data->path = "perf.data"; + if (check_backup(data)) + return -1; + return open_file_dup(data); } -- 2.17.2