From patchwork Fri Oct 4 15:46:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 1171912 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=209.51.188.17; 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=virtuozzo.com 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 ozlabs.org (Postfix) with ESMTPS id 46lDrd39RFz9s4Y for ; Sat, 5 Oct 2019 01:51:45 +1000 (AEST) Received: from localhost ([::1]:49974 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iGPrq-0003xw-SP for incoming@patchwork.ozlabs.org; Fri, 04 Oct 2019 11:51:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41111) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iGPnh-000371-UL for qemu-devel@nongnu.org; Fri, 04 Oct 2019 11:47:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iGPng-0005du-UR for qemu-devel@nongnu.org; Fri, 04 Oct 2019 11:47:25 -0400 Received: from relay.sw.ru ([185.231.240.75]:36340) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iGPnR-0005Ec-Hz; Fri, 04 Oct 2019 11:47:20 -0400 Received: from [10.94.3.0] (helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.2) (envelope-from ) id 1iGPnL-00019e-2t; Fri, 04 Oct 2019 18:47:03 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Subject: [PATCH 3/5] block/dirty-bitmap: add bdrv_has_named_bitmaps helper Date: Fri, 4 Oct 2019 18:46:59 +0300 Message-Id: <20191004154701.3202-4-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191004154701.3202-1-vsementsov@virtuozzo.com> References: <20191004154701.3202-1-vsementsov@virtuozzo.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 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: fam@euphon.net, kwolf@redhat.com, vsementsov@virtuozzo.com, quintela@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, jsnow@redhat.com, dgilbert@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" To be used for bitmap migration in further commit. Signed-off-by: Vladimir Sementsov-Ogievskiy --- include/block/dirty-bitmap.h | 1 + block/dirty-bitmap.c | 13 +++++++++++++ 2 files changed, 14 insertions(+) diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index 4b4b731b46..4c0ebe5c2a 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -101,6 +101,7 @@ int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap); void bdrv_dirty_bitmap_truncate(BlockDriverState *bs, int64_t bytes); bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap); bool bdrv_has_readonly_bitmaps(BlockDriverState *bs); +bool bdrv_has_named_bitmaps(BlockDriverState *bs); bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_get_persistence(BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_inconsistent(const BdrvDirtyBitmap *bitmap); diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 134e0c9a0c..cfc957ebc2 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -742,6 +742,19 @@ bool bdrv_has_readonly_bitmaps(BlockDriverState *bs) return false; } +bool bdrv_has_named_bitmaps(BlockDriverState *bs) +{ + BdrvDirtyBitmap *bm; + + QLIST_FOREACH(bm, &bs->dirty_bitmaps, list) { + if (bdrv_dirty_bitmap_name(bm)) { + return true; + } + } + + return false; +} + /* Called with BQL taken. */ void bdrv_dirty_bitmap_set_persistence(BdrvDirtyBitmap *bitmap, bool persistent) {