From patchwork Mon Nov 21 15:29:16 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: 697286 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 ozlabs.org (Postfix) with ESMTPS id 3tMt3k6TVRz9t2p for ; Tue, 22 Nov 2016 02:36:02 +1100 (AEDT) Received: from localhost ([::1]:50045 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c8qdU-0002zC-5F for incoming@patchwork.ozlabs.org; Mon, 21 Nov 2016 10:36:00 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50103) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c8qXO-0006CF-6C for qemu-devel@nongnu.org; Mon, 21 Nov 2016 10:29:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c8qXL-0003uJ-V5 for qemu-devel@nongnu.org; Mon, 21 Nov 2016 10:29:42 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:41181 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 1c8qXL-0003sr-JQ; Mon, 21 Nov 2016 10:29:39 -0500 Received: from kvm.qa.sw.ru. ([10.28.8.145]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id uALFTU9K013090; Mon, 21 Nov 2016 18:29:33 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Mon, 21 Nov 2016 18:29:16 +0300 Message-Id: <1479742168-309848-6-git-send-email-vsementsov@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1479742168-309848-1-git-send-email-vsementsov@virtuozzo.com> References: <1479742168-309848-1-git-send-email-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 05/17] block: add bdrv_next_dirty_bitmap() 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, peter.maydell@linaro.org, vsementsov@virtuozzo.com, famz@redhat.com, lirans@il.ibm.com, quintela@redhat.com, jsnow@redhat.com, armbru@redhat.com, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, amit.shah@redhat.com, pbonzini@redhat.com, dgilbert@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 519737c..7547c78 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -533,3 +533,13 @@ int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap) { return hbitmap_count(bitmap->meta); } + +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 9dea14b..1a457d5 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -72,4 +72,7 @@ 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