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block/dirty-bitmap: refactor bdrv_dirty_bitmap_next

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bdrv_dirty_bitmap_next is always used in same pattern. So, split it
into _next and _first, instead of combining two functions into one and
add FOR_EACH_DIRTY_BITMAP macro.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20190916141911.5255-5-vsementsov@virtuozzo.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2019-09-16 17:19:11 +03:00 • committed by John Snow
parent 1e63830160
commit ef9041a7b8
5 changed files with 18 additions and 18 deletions
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9
include/block/dirty-bitmap.h
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@ -96,8 +96,13 @@ bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap);
bool bdrv_dirty_bitmap_get_persistence(BdrvDirtyBitmap *bitmap);
bool bdrv_dirty_bitmap_inconsistent(const BdrvDirtyBitmap *bitmap);
bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs);
BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs,
BdrvDirtyBitmap *bitmap);
BdrvDirtyBitmap *bdrv_dirty_bitmap_first(BlockDriverState *bs);
BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BdrvDirtyBitmap *bitmap);
#define FOR_EACH_DIRTY_BITMAP(bs, bitmap) \
for (bitmap = bdrv_dirty_bitmap_first(bs); bitmap; \
bitmap = bdrv_dirty_bitmap_next(bitmap))
char *bdrv_dirty_bitmap_sha256(const BdrvDirtyBitmap *bitmap, Error **errp);
int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, uint64_t offset,
uint64_t bytes);