From patchwork Wed May 13 15:30:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 471988 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 D07E0140D2F for ; Thu, 14 May 2015 02:03:40 +1000 (AEST) Received: from localhost ([::1]:49941 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YsZ8E-0000mk-UC for incoming@patchwork.ozlabs.org; Wed, 13 May 2015 12:03:38 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49830) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YsZ7V-0007s9-Nk for qemu-devel@nongnu.org; Wed, 13 May 2015 12:02:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YsZ7S-0005mK-F1 for qemu-devel@nongnu.org; Wed, 13 May 2015 12:02:53 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:6440 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YsZ7R-0005m1-Rb for qemu-devel@nongnu.org; Wed, 13 May 2015 12:02:50 -0400 Received: from kvm.sw.ru ([10.30.16.142]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id t4DFUKIm021205; Wed, 13 May 2015 18:30:35 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Date: Wed, 13 May 2015 18:30:00 +0300 Message-Id: <1431531007-10269-6-git-send-email-vsementsov@parallels.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1431531007-10269-1-git-send-email-vsementsov@parallels.com> References: <1431531007-10269-1-git-send-email-vsementsov@parallels.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, quintela@redhat.com, dgilbert@redhat.com, vsementsov@parallels.com, stefanha@redhat.com, den@openvz.org, amit.shah@redhat.com, pbonzini@redhat.com, jsnow@redhat.com Subject: [Qemu-devel] [PATCH 05/12] 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org 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.c | 10 ++++++++++ include/block/block.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/block.c b/block.c index a167eb6..4098a06 100644 --- a/block.c +++ b/block.c @@ -3291,6 +3291,16 @@ BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs) return list; } +BdrvDirtyBitmap *bdrv_next_dirty_bitmap(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap) +{ + if (bitmap == NULL) { + return QLIST_FIRST(&bs->dirty_bitmaps); + } + + return QLIST_NEXT(bitmap, list); +} + int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t sector) { if (bitmap) { diff --git a/include/block/block.h b/include/block/block.h index 2d91161..593c29e 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -497,6 +497,8 @@ void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap, void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap, uint64_t start, uint64_t count); void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap); +BdrvDirtyBitmap *bdrv_next_dirty_bitmap(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap); /* chunk size here is number of bytes of the @bitmap data per one bit of the * meta bitmap being created */