From patchwork Thu Apr 4 13:20:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Philippe Brucker X-Patchwork-Id: 10885621 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A67471575 for ; Thu, 4 Apr 2019 13:22:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 908B1286C0 for ; Thu, 4 Apr 2019 13:22:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 85228286DD; Thu, 4 Apr 2019 13:22:30 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI 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 4288C286C0 for ; Thu, 4 Apr 2019 13:22:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729445AbfDDNWT (ORCPT ); Thu, 4 Apr 2019 09:22:19 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:60212 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729084AbfDDNWR (ORCPT ); Thu, 4 Apr 2019 09:22:17 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 49CDBA78; Thu, 4 Apr 2019 06:22:17 -0700 (PDT) Received: from ostrya.cambridge.arm.com (ostrya.cambridge.arm.com [10.1.196.129]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 7673F3F68F; Thu, 4 Apr 2019 06:22:16 -0700 (PDT) From: Jean-Philippe Brucker To: Will.Deacon@arm.com Cc: Andre.Przywara@arm.com, kvm@vger.kernel.org Subject: [PATCH kvmtool v2 3/9] guest: sync disk before shutting down Date: Thu, 4 Apr 2019 14:20:44 +0100 Message-Id: <20190404132050.37309-4-jean-philippe.brucker@arm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190404132050.37309-1-jean-philippe.brucker@arm.com> References: <20190404132050.37309-1-jean-philippe.brucker@arm.com> MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP sync() should be called before reboot(RB_AUTOBOOT), otherwise data written to disks might be lost. Signed-off-by: Jean-Philippe Brucker --- guest/init.c | 1 + 1 file changed, 1 insertion(+) diff --git a/guest/init.c b/guest/init.c index 1f9cd048a..52f6567da 100644 --- a/guest/init.c +++ b/guest/init.c @@ -72,6 +72,7 @@ int main(int argc, char *argv[]) } while (corpse != child); } + sync(); reboot(RB_AUTOBOOT); printf("Init failed: %s\n", strerror(errno));