From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45176) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WNchB-0003lQ-1H for qemu-devel@nongnu.org; Wed, 12 Mar 2014 02:31:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WNch4-0000SD-Js for qemu-devel@nongnu.org; Wed, 12 Mar 2014 02:31:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35360) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WNch4-0000S9-CA for qemu-devel@nongnu.org; Wed, 12 Mar 2014 02:31:10 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s2C6V8k9028591 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 12 Mar 2014 02:31:09 -0400 From: Fam Zheng Date: Wed, 12 Mar 2014 14:30:59 +0800 Message-Id: <1394605864-32237-5-git-send-email-famz@redhat.com> In-Reply-To: <1394605864-32237-1-git-send-email-famz@redhat.com> References: <1394605864-32237-1-git-send-email-famz@redhat.com> Subject: [Qemu-devel] [PATCH v2 4/9] block: Introduce bdrv_dirty_bitmap_granularity() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, stefanha@redhat.com This returns the granularity (in sectors) of dirty bitmap. Signed-off-by: Fam Zheng --- block.c | 6 ++++++ include/block/block.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/block.c b/block.c index 9de1385..26a43eb 100644 --- a/block.c +++ b/block.c @@ -5143,6 +5143,12 @@ int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t sector } } +int bdrv_dirty_bitmap_granularity(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap) +{ + return hbitmap_granularity(bitmap->bitmap); +} + void bdrv_dirty_iter_init(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, HBitmapIter *hbi) { diff --git a/include/block/block.h b/include/block/block.h index aa0c5e4..b87c071 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -446,6 +446,8 @@ BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs, void bdrv_dirty_bitmap_make_anon(BlockDriverState *bs, BdrvDirtyBitmap *bitmap); void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap); BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs); +int bdrv_dirty_bitmap_granularity(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap); int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t sector); void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector, int nr_sectors); void bdrv_reset_dirty(BlockDriverState *bs, int64_t cur_sector, int nr_sectors); -- 1.9.0