From patchwork Fri Feb 3 15:47:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 723743 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 3vFLyk6vRyz9s7D for ; Sat, 4 Feb 2017 02:54:22 +1100 (AEDT) Received: from localhost ([::1]:35423 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZgBo-0004cf-CI for incoming@patchwork.ozlabs.org; Fri, 03 Feb 2017 10:54:20 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36700) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZg5n-0007nd-C5 for qemu-devel@nongnu.org; Fri, 03 Feb 2017 10:48:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cZg5j-00082E-88 for qemu-devel@nongnu.org; Fri, 03 Feb 2017 10:48:07 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:39930 helo=relay.sw.ru) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cZg5i-0007zU-J0 for qemu-devel@nongnu.org; Fri, 03 Feb 2017 10:48:03 -0500 Received: from kvm.qa.sw.ru. (msk-vpn.virtuozzo.com [195.214.232.6]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id v13Flv7o011039; Fri, 3 Feb 2017 18:47:58 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Fri, 3 Feb 2017 18:47:48 +0300 Message-Id: <20170203154757.36140-10-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170203154757.36140-1-vsementsov@virtuozzo.com> References: <20170203154757.36140-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x [fuzzy] X-Received-From: 195.214.232.25 Subject: [Qemu-devel] [PATCH 09/18] block/dirty-bitmap: add bdrv_dirty_bitmap_next() 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: kwolf@redhat.com, famz@redhat.com, den@virtuozzo.com, armbru@redhat.com, mreitz@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, jsnow@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Max Reitz --- block/dirty-bitmap.c | 7 +++++++ include/block/dirty-bitmap.h | 3 +++ 2 files changed, 10 insertions(+) diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index d2f23a00d9..3b7db1d78c 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -538,3 +538,10 @@ int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, uint64_t start) { return hbitmap_next_zero(bitmap->bitmap, start); } + +BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap) +{ + return bitmap == NULL ? QLIST_FIRST(&bs->dirty_bitmaps) : + QLIST_NEXT(bitmap, list); +} diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index 8826b74b37..ff8163ba02 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -74,4 +74,7 @@ void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap); int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, uint64_t start); +BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap); + #endif