From patchwork Fri Jul 27 06:53:14 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fam Zheng X-Patchwork-Id: 950000 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41cKSz3FLQz9s0R for ; Fri, 27 Jul 2018 16:54:26 +1000 (AEST) Received: from localhost ([::1]:39408 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fiwdq-0000wX-4h for incoming@patchwork.ozlabs.org; Fri, 27 Jul 2018 02:54:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55460) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fiwdT-0000v9-0Z for qemu-devel@nongnu.org; Fri, 27 Jul 2018 02:53:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fiwdS-0001t8-Ch for qemu-devel@nongnu.org; Fri, 27 Jul 2018 02:53:59 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:50724 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fiwdM-0001rX-8z; Fri, 27 Jul 2018 02:53:52 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 898FC819700B; Fri, 27 Jul 2018 06:53:51 +0000 (UTC) Received: from lemon.usersys.redhat.com (ovpn-12-150.pek2.redhat.com [10.72.12.150]) by smtp.corp.redhat.com (Postfix) with ESMTP id CBA7A2156897; Fri, 27 Jul 2018 06:53:40 +0000 (UTC) From: Fam Zheng To: qemu-devel@nongnu.org Date: Fri, 27 Jul 2018 14:53:14 +0800 Message-Id: <20180727065314.1656-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 27 Jul 2018 06:53:51 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 27 Jul 2018 06:53:51 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'famz@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH] file-posix: Handle EINTR in preallocation=full write X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Cc: qemu-stable@nongnu.org Signed-off-by: Fam Zheng --- block/file-posix.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/block/file-posix.c b/block/file-posix.c index ad299beb38..928b863ced 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -1646,6 +1646,9 @@ static int handle_aiocb_truncate(RawPosixAIOData *aiocb) num = MIN(left, 65536); result = write(fd, buf, num); if (result < 0) { + if (errno == EINTR) { + continue; + } result = -errno; error_setg_errno(errp, -result, "Could not write zeros for preallocation");