From patchwork Thu Dec 12 16:38:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Dr. David Alan Gilbert" X-Patchwork-Id: 11288923 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0AAC8112B for ; Thu, 12 Dec 2019 17:46:04 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D6A86214AF for ; Thu, 12 Dec 2019 17:46:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Y1sXkzFl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D6A86214AF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:34906 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ifSXK-0000x0-IK for patchwork-qemu-devel@patchwork.kernel.org; Thu, 12 Dec 2019 12:46:02 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60427) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ifRWb-0007DU-9F for qemu-devel@nongnu.org; Thu, 12 Dec 2019 11:41:14 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ifRWa-0003zz-4z for qemu-devel@nongnu.org; Thu, 12 Dec 2019 11:41:13 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:22472 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ifRWa-0003wy-0j for qemu-devel@nongnu.org; Thu, 12 Dec 2019 11:41:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576168870; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=D/bnNscY9E73mJc4lpp49g3iek4mqZDcdy/jUqO+Rs0=; b=Y1sXkzFlZSopBcxaqSsAO22twugtYWe+3ElF5FYXI9rU9zR07WkIQnG0ZOZioCxZwts4+P qx3Zg9z6zpOM6F7xRZQE6M8FfS4El15Tn9Pl6At6L7pbzZPfik6U3fuZGokqXGrz/uFGHX 8Q5p6Ci5c7sjTr5cvnW6sHl/qcwHZNA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-14-1EGlo1ymPXy62boblFSmIw-1; Thu, 12 Dec 2019 11:41:09 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7D6C2189CD00 for ; Thu, 12 Dec 2019 16:41:08 +0000 (UTC) Received: from dgilbert-t580.localhost (ovpn-116-226.ams2.redhat.com [10.36.116.226]) by smtp.corp.redhat.com (Postfix) with ESMTP id 834E960BF3; Thu, 12 Dec 2019 16:41:05 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, stefanha@redhat.com, vgoyal@redhat.com Subject: [PATCH 076/104] virtiofsd: support nanosecond resolution for file timestamp Date: Thu, 12 Dec 2019 16:38:36 +0000 Message-Id: <20191212163904.159893-77-dgilbert@redhat.com> In-Reply-To: <20191212163904.159893-1-dgilbert@redhat.com> References: <20191212163904.159893-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: 1EGlo1ymPXy62boblFSmIw-1 X-Mimecast-Spam-Score: 0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Jiufei Xue Define HAVE_STRUCT_STAT_ST_ATIM to 1 if `st_atim' is member of `struct stat' which means support nanosecond resolution for the file timestamp fields. Signed-off-by: Jiufei Xue Reviewed-by: Daniel P. Berrangé --- configure | 16 ++++++++++++++++ tools/virtiofsd/fuse_misc.h | 1 + 2 files changed, 17 insertions(+) diff --git a/configure b/configure index afe9393f04..dd50b03b01 100755 --- a/configure +++ b/configure @@ -5217,6 +5217,19 @@ if compile_prog "" "" ; then strchrnul=yes fi +######################################### +# check if we have st_atim + +st_atim=no +cat > $TMPC << EOF +#include +#include +int main(void) { return offsetof(struct stat, st_atim); } +EOF +if compile_prog "" "" ; then + st_atim=yes +fi + ########################################## # check if trace backend exists @@ -6918,6 +6931,9 @@ fi if test "$strchrnul" = "yes" ; then echo "HAVE_STRCHRNUL=y" >> $config_host_mak fi +if test "$st_atim" = "yes" ; then + echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak +fi if test "$byteswap_h" = "yes" ; then echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak fi diff --git a/tools/virtiofsd/fuse_misc.h b/tools/virtiofsd/fuse_misc.h index f252baa752..5c618ce21f 100644 --- a/tools/virtiofsd/fuse_misc.h +++ b/tools/virtiofsd/fuse_misc.h @@ -7,6 +7,7 @@ */ #include +#include "config-host.h" /* * Versioned symbols cannot be used in some cases because it