From patchwork Fri Feb 12 18:00:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 8294571 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E877A9F6E4 for ; Fri, 12 Feb 2016 18:01:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 600322034C for ; Fri, 12 Feb 2016 18:01:42 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 95B9F202FE for ; Fri, 12 Feb 2016 18:01:38 +0000 (UTC) Received: from localhost ([::1]:34977 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUI2E-0003lQ-3n for patchwork-qemu-devel@patchwork.kernel.org; Fri, 12 Feb 2016 13:01:38 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55983) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUI21-0003hQ-EP for qemu-devel@nongnu.org; Fri, 12 Feb 2016 13:01:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aUI20-0007BA-ML for qemu-devel@nongnu.org; Fri, 12 Feb 2016 13:01:25 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:17888 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUI20-00076r-9g for qemu-devel@nongnu.org; Fri, 12 Feb 2016 13:01:24 -0500 Received: from kvm.sw.ru. ([10.28.8.145]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id u1CGjROl002007; Fri, 12 Feb 2016 19:45:48 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Date: Fri, 12 Feb 2016 21:00:28 +0300 Message-Id: <1455300040-109726-6-git-send-email-vsementsov@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1455300040-109726-1-git-send-email-vsementsov@virtuozzo.com> References: <1455300040-109726-1-git-send-email-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x X-Received-From: 195.214.232.25 Cc: kwolf@redhat.com, peter.maydell@linaro.org, vsementsov@virtuozzo.com, famz@redhat.com, lirans@il.ibm.com, quintela@redhat.com, dgilbert@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, amit.shah@redhat.com, den@openvz.org, jsnow@redhat.com Subject: [Qemu-devel] [PATCH 05/17] block: add bdrv_next_dirty_bitmap() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Like bdrv_next() - bdrv_next_dirty_bitmap() is a function to provide access to private dirty bitmaps list. Reviewed-by: John Snow Signed-off-by: Vladimir Sementsov-Ogievskiy --- block/dirty-bitmap.c | 10 ++++++++++ include/block/dirty-bitmap.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 919ce10..2656b8b 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -490,3 +490,13 @@ int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap) { return hbitmap_count(bitmap->bitmap); } + +BdrvDirtyBitmap *bdrv_next_dirty_bitmap(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap) +{ + if (bitmap == NULL) { + return QLIST_FIRST(&bs->dirty_bitmaps); + } + + return QLIST_NEXT(bitmap, list); +} diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index 6ba5bec..1ccab36 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -68,4 +68,7 @@ void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap, bool finish); void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap); +BdrvDirtyBitmap *bdrv_next_dirty_bitmap(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap); + #endif