From nobody Fri Dec 19 18:41:56 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1582035760103830.5570021073949; Tue, 18 Feb 2020 06:22:40 -0800 (PST) Received: from localhost ([::1]:36046 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j43lm-0002I9-TX for importer@patchew.org; Tue, 18 Feb 2020 09:22:38 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53229) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j43Y5-0007v5-Ox for qemu-devel@nongnu.org; Tue, 18 Feb 2020 09:08:30 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j43Y4-0001fC-I7 for qemu-devel@nongnu.org; Tue, 18 Feb 2020 09:08:29 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:47082 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j43Y4-0001et-Eh for qemu-devel@nongnu.org; Tue, 18 Feb 2020 09:08:28 -0500 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-380-oIXSXC9yP5SDzQ2AJvH8kg-1; Tue, 18 Feb 2020 09:08:19 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 81ACBDB60; Tue, 18 Feb 2020 14:08:18 +0000 (UTC) Received: from linux.fritz.box.com (ovpn-117-181.ams2.redhat.com [10.36.117.181]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7B27B19E9C; Tue, 18 Feb 2020 14:08:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582034908; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=O3/1rcC4a+nzJzgF3qet+s4hp4XaeIHxsJi1NGPbiwo=; b=XBoHxf/s4n13ymFNpTgO7GW83IejBcwttzn/WMkLFDMP7w6dXv8U4gZgZRRuwC8m0V48pd Nvj0BFeU+vQ32CdRCn8EOzAz2AirZDXm2PqI6HLEP3T6q5a22nGjY6XEoqSuUDteIrH3+Y tXx9yrSJpHse03RBE3sMJ5kp3x1ZclU= From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PULL 20/36] block: Drop bdrv_is_first_non_filter() Date: Tue, 18 Feb 2020 15:07:06 +0100 Message-Id: <20200218140722.23876-21-kwolf@redhat.com> In-Reply-To: <20200218140722.23876-1-kwolf@redhat.com> References: <20200218140722.23876-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-MC-Unique: oIXSXC9yP5SDzQ2AJvH8kg-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" From: Max Reitz It is unused now. (And it was ugly because it needed to explore all BDS chains from the top.) Signed-off-by: Max Reitz Reviewed-by: Vladimir Sementsov-Ogievskiy Message-Id: <20200218103454.296704-4-mreitz@redhat.com> Signed-off-by: Kevin Wolf --- include/block/block.h | 1 - block.c | 26 -------------------------- 2 files changed, 27 deletions(-) diff --git a/include/block/block.h b/include/block/block.h index 6cd566324d..6a8462a5bc 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -394,7 +394,6 @@ int bdrv_amend_options(BlockDriverState *bs_new, QemuOp= ts *opts, /* external snapshots */ bool bdrv_recurse_is_first_non_filter(BlockDriverState *bs, BlockDriverState *candidate); -bool bdrv_is_first_non_filter(BlockDriverState *candidate); =20 /* check if a named node can be replaced when doing drive-mirror */ BlockDriverState *check_to_replace_node(BlockDriverState *parent_bs, diff --git a/block.c b/block.c index 9db0b973fe..145d0baf5e 100644 --- a/block.c +++ b/block.c @@ -6234,32 +6234,6 @@ bool bdrv_recurse_is_first_non_filter(BlockDriverSta= te *bs, return false; } =20 -/* This function checks if the candidate is the first non filter bs down i= t's - * bs chain. Since we don't have pointers to parents it explore all bs cha= ins - * from the top. Some filters can choose not to pass down the recursion. - */ -bool bdrv_is_first_non_filter(BlockDriverState *candidate) -{ - BlockDriverState *bs; - BdrvNextIterator it; - - /* walk down the bs forest recursively */ - for (bs =3D bdrv_first(&it); bs; bs =3D bdrv_next(&it)) { - bool perm; - - /* try to recurse in this top level bs */ - perm =3D bdrv_recurse_is_first_non_filter(bs, candidate); - - /* candidate is the first non filter */ - if (perm) { - bdrv_next_cleanup(&it); - return true; - } - } - - return false; -} - BlockDriverState *check_to_replace_node(BlockDriverState *parent_bs, const char *node_name, Error **err= p) { --=20 2.20.1