From: Fam Zheng <f...@redhat.com> This returns the granularity (in bytes) of dirty bitmap, which matches the QMP interface and the existing query interface.
Signed-off-by: Fam Zheng <f...@redhat.com> Signed-off-by: John Snow <js...@redhat.com> Reviewed-by: Max Reitz <mre...@redhat.com> --- block.c | 9 +++++++-- include/block/block.h | 2 ++ 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/block.c b/block.c index 3f27519..a0d1150 100644 --- a/block.c +++ b/block.c @@ -5399,8 +5399,7 @@ BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs) BlockDirtyInfo *info = g_new0(BlockDirtyInfo, 1); BlockDirtyInfoList *entry = g_new0(BlockDirtyInfoList, 1); info->count = bdrv_get_dirty_count(bs, bm); - info->granularity = - ((int64_t) BDRV_SECTOR_SIZE << hbitmap_granularity(bm->bitmap)); + info->granularity = bdrv_dirty_bitmap_granularity(bs, bm); info->has_name = !!bm->name; info->name = g_strdup(bm->name); entry->value = info; @@ -5439,6 +5438,12 @@ uint64_t bdrv_dbm_calc_def_granularity(BlockDriverState *bs) return granularity; } +int64_t bdrv_dirty_bitmap_granularity(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap) +{ + return BDRV_SECTOR_SIZE << 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 066ded6..f180f93 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -440,6 +440,8 @@ 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); uint64_t bdrv_dbm_calc_def_granularity(BlockDriverState *bs); +int64_t 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); -- 1.9.3