From nobody Mon Feb 9 13:06:26 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1537368815488357.8075531484146; Wed, 19 Sep 2018 07:53:35 -0700 (PDT) Received: from localhost ([::1]:45779 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g2drC-0003gp-C0 for importer@patchew.org; Wed, 19 Sep 2018 10:53:34 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45336) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g2dmG-0008E0-RE for qemu-devel@nongnu.org; Wed, 19 Sep 2018 10:48:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g2dmC-0000If-IJ for qemu-devel@nongnu.org; Wed, 19 Sep 2018 10:48:28 -0400 Received: from fanzine.igalia.com ([91.117.99.155]:56738) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1g2dmC-0000El-2A; Wed, 19 Sep 2018 10:48:24 -0400 Received: from [194.100.51.2] (helo=perseus.local) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1g2dm9-0003dA-D1; Wed, 19 Sep 2018 16:48:21 +0200 Received: from berto by perseus.local with local (Exim 4.89) (envelope-from ) id 1g2dlt-0004TW-Nx; Wed, 19 Sep 2018 17:48:05 +0300 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=References:In-Reply-To:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=jKDfe942sZOKm7iwnj3QBQsnspZI1upBNzjT01xPG18=; b=Pm7t/M+8znXYetsndlF0qJmqtkgPxVfGEY9xxmogmy8ZUTpb4FSwkGtqI/OunDFmPzG18IHbT8Pkyzd0AWZ0HhixsIs3aQ4U/6t5mUw+Yj6RPsTtGF1wgn4/Cd9CpBGVXlI+4eE12YIoETJUjC1kCCK6GI3gcEoOw0EjCW2ZkiQKEZz6O+lpU4wpFBFx2hElBkk4vSbF8Wc2zbZIwaMH3v1RVg7zqaOCyxPkXZ3bd0viSipLbQbrdgDkG54PvjXvBcYhiNu8a1iu5A6hx2rADJAf6fwBSEYSlvcVnkyVNuQRtUMn6GwTxtLl5YFUUDeEKwfb1p9bTfI1n7HiygOOLA==; From: Alberto Garcia To: qemu-devel@nongnu.org Date: Wed, 19 Sep 2018 17:47:41 +0300 Message-Id: X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] X-Received-From: 91.117.99.155 Subject: [Qemu-devel] [PATCH 03/14] block: Use bdrv_reopen_set_read_only() in bdrv_backing_update_filename() 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 , Alberto Garcia , qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This patch replaces the bdrv_reopen() calls that set and remove the BDRV_O_RDWR flag with the new bdrv_reopen_set_read_only() function. Signed-off-by: Alberto Garcia Reviewed-by: Max Reitz --- block.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/block.c b/block.c index e023945c8e..ac945b4bc8 100644 --- a/block.c +++ b/block.c @@ -1070,11 +1070,11 @@ static int bdrv_backing_update_filename(BdrvChild *= c, BlockDriverState *base, const char *filename, Error **errp) { BlockDriverState *parent =3D c->opaque; - int orig_flags =3D bdrv_get_flags(parent); + bool read_only =3D bdrv_is_read_only(parent); int ret; =20 - if (!(orig_flags & BDRV_O_RDWR)) { - ret =3D bdrv_reopen(parent, orig_flags | BDRV_O_RDWR, errp); + if (read_only) { + ret =3D bdrv_reopen_set_read_only(parent, false, errp); if (ret < 0) { return ret; } @@ -1086,8 +1086,8 @@ static int bdrv_backing_update_filename(BdrvChild *c,= BlockDriverState *base, error_setg_errno(errp, -ret, "Could not update backing file link"); } =20 - if (!(orig_flags & BDRV_O_RDWR)) { - bdrv_reopen(parent, orig_flags, NULL); + if (read_only) { + bdrv_reopen_set_read_only(parent, true, NULL); } =20 return ret; --=20 2.11.0