From patchwork Thu Jun 28 00:07:17 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Reitz X-Patchwork-Id: 935804 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 41GKvs1W50z9s01 for ; Thu, 28 Jun 2018 10:11:53 +1000 (AEST) Received: from localhost ([::1]:33768 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYKXN-00074Z-VO for incoming@patchwork.ozlabs.org; Wed, 27 Jun 2018 20:11:49 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57477) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYKTc-0004M5-8B for qemu-devel@nongnu.org; Wed, 27 Jun 2018 20:07:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fYKTb-0003kL-Dr for qemu-devel@nongnu.org; Wed, 27 Jun 2018 20:07:56 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:43520 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 1fYKTZ-0003jd-KR; Wed, 27 Jun 2018 20:07:53 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4C694401EF04; Thu, 28 Jun 2018 00:07:53 +0000 (UTC) Received: from localhost (unknown [10.40.205.153]) by smtp.corp.redhat.com (Postfix) with ESMTPS id ECB66111765D; Thu, 28 Jun 2018 00:07:52 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Date: Thu, 28 Jun 2018 02:07:17 +0200 Message-Id: <20180628000745.4477-4-mreitz@redhat.com> In-Reply-To: <20180628000745.4477-1-mreitz@redhat.com> References: <20180628000745.4477-1-mreitz@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Thu, 28 Jun 2018 00:07:53 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Thu, 28 Jun 2018 00:07:53 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'mreitz@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 v9 03/31] block: Skip implicit nodes for filename info 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-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" bdrv_refresh_filename() should simply skip all implicit nodes. They are supposed to be invisible to the user, so they should not appear in filename information. Signed-off-by: Max Reitz Reviewed-by: Eric Blake Reviewed-by: Alberto Garcia --- block.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/block.c b/block.c index 52247062d5..3b07060385 100644 --- a/block.c +++ b/block.c @@ -5187,6 +5187,20 @@ void bdrv_refresh_filename(BlockDriverState *bs) bdrv_refresh_filename(child->bs); } + if (bs->implicit) { + /* For implicit nodes, just copy everything from the single child */ + child = QLIST_FIRST(&bs->children); + assert(QLIST_NEXT(child, next) == NULL); + + pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), + child->bs->exact_filename); + pstrcpy(bs->filename, sizeof(bs->filename), child->bs->filename); + + bs->full_open_options = qobject_ref(child->bs->full_open_options); + + return; + } + if (drv->bdrv_refresh_filename) { /* Obsolete information is of no use here, so drop the old file name * information before refreshing it */