From 6d3f4049ba532b01ff738f9e5a66df1477c5ffdd Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Thu, 13 Oct 2016 17:58:30 -0400 Subject: block: More operations for meta dirty bitmap Callers can create an iterator of meta bitmap with bdrv_dirty_meta_iter_new(), then use the bdrv_dirty_iter_* operations on it. Meta iterators are also counted by bitmap->active_iterators. Also add a couple of functions to retrieve granularity and count. Signed-off-by: Fam Zheng Reviewed-by: Max Reitz Signed-off-by: John Snow Message-id: 1476395910-8697-11-git-send-email-jsnow@redhat.com Signed-off-by: Max Reitz --- include/block/dirty-bitmap.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include') diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index efc2965..9dea14b 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -30,6 +30,7 @@ void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap); BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs); uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs); uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap); +uint32_t bdrv_dirty_bitmap_meta_granularity(BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_enabled(BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_frozen(BdrvDirtyBitmap *bitmap); const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap); @@ -47,12 +48,14 @@ int bdrv_dirty_bitmap_get_meta(BlockDriverState *bs, void bdrv_dirty_bitmap_reset_meta(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t sector, int nb_sectors); +BdrvDirtyBitmapIter *bdrv_dirty_meta_iter_new(BdrvDirtyBitmap *bitmap); BdrvDirtyBitmapIter *bdrv_dirty_iter_new(BdrvDirtyBitmap *bitmap, uint64_t first_sector); void bdrv_dirty_iter_free(BdrvDirtyBitmapIter *iter); int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter); void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t sector_num); int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap); +int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap); void bdrv_dirty_bitmap_truncate(BlockDriverState *bs); uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap, -- cgit v1.1