From patchwork Wed Dec 14 13:44:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 1715762 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Du5PfnPb; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4NXGpw0cNWz23yy for ; Thu, 15 Dec 2022 00:46:00 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p5S4p-0004Jj-Sj; Wed, 14 Dec 2022 08:45:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5S4T-00044L-B9 for qemu-devel@nongnu.org; Wed, 14 Dec 2022 08:45:18 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5S4Q-0003M8-W4 for qemu-devel@nongnu.org; Wed, 14 Dec 2022 08:45:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1671025514; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ognindGekmAk0goZjZBHepHNZF69gnv9qVvqRbas7qU=; b=Du5PfnPbmfpzm3eQ63KAR9gDWjl/u8aA8k47uJ+Ub0CvAnjrz9HgnJIkPUGe4dMepPANq5 LWm86rDKt3VY9CutHHI4fADmmw0w7SyczKDLja+WZ7HBbZ8ZqjUoMoqNIbX5q9mCfoi03V bITs2kLMC4zCBtjwXgJ+/b8NGlDOTx8= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-511-S18plNCwMha2vpQzgpwvSA-1; Wed, 14 Dec 2022 08:45:11 -0500 X-MC-Unique: S18plNCwMha2vpQzgpwvSA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8BC1B1C09B70; Wed, 14 Dec 2022 13:45:10 +0000 (UTC) Received: from merkur.redhat.com (unknown [10.39.194.243]) by smtp.corp.redhat.com (Postfix) with ESMTP id CB84F14171BE; Wed, 14 Dec 2022 13:45:09 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Subject: [PULL 02/51] block: drop bdrv_remove_filter_or_cow_child Date: Wed, 14 Dec 2022 14:44:04 +0100 Message-Id: <20221214134453.31665-3-kwolf@redhat.com> In-Reply-To: <20221214134453.31665-1-kwolf@redhat.com> References: <20221214134453.31665-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Vladimir Sementsov-Ogievskiy Drop this simple wrapper used only in one place. We have too many graph modifying functions even without it. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Hanna Reitz Message-Id: <20221107163558.618889-3-vsementsov@yandex-team.ru> Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- block.c | 15 +-------------- 1 file changed, 1 insertion(+), 14 deletions(-) diff --git a/block.c b/block.c index c0c1b3df91..dc761209ac 100644 --- a/block.c +++ b/block.c @@ -93,8 +93,6 @@ static bool bdrv_recurse_has_child(BlockDriverState *bs, static void bdrv_replace_child_noperm(BdrvChild *child, BlockDriverState *new_bs); static void bdrv_remove_child(BdrvChild *child, Transaction *tran); -static void bdrv_remove_filter_or_cow_child(BlockDriverState *bs, - Transaction *tran); static int bdrv_reopen_prepare(BDRVReopenState *reopen_state, BlockReopenQueue *queue, @@ -5065,17 +5063,6 @@ static void bdrv_remove_child(BdrvChild *child, Transaction *tran) tran_add(tran, &bdrv_remove_child_drv, child); } -/* - * A function to remove backing-chain child of @bs if exists: cow child for - * format nodes (always .backing) and filter child for filters (may be .file or - * .backing) - */ -static void bdrv_remove_filter_or_cow_child(BlockDriverState *bs, - Transaction *tran) -{ - bdrv_remove_child(bdrv_filter_or_cow_child(bs), tran); -} - static int bdrv_replace_node_noperm(BlockDriverState *from, BlockDriverState *to, bool auto_skip, Transaction *tran, @@ -5160,7 +5147,7 @@ static int bdrv_replace_node_common(BlockDriverState *from, } if (detach_subchain) { - bdrv_remove_filter_or_cow_child(to_cow_parent, tran); + bdrv_remove_child(bdrv_filter_or_cow_child(to_cow_parent), tran); } found = g_hash_table_new(NULL, NULL);