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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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4
migration/block-dirty-bitmap.c
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@ -283,9 +283,7 @@ static int init_dirty_bitmap_migration(void)
for (bs = bdrv_next_all_states(NULL); bs; bs = bdrv_next_all_states(bs)) {
const char *name = bdrv_get_device_or_node_name(bs);
for (bitmap = bdrv_dirty_bitmap_next(bs, NULL); bitmap;
bitmap = bdrv_dirty_bitmap_next(bs, bitmap))
{
FOR_EACH_DIRTY_BITMAP(bs, bitmap) {
if (!bdrv_dirty_bitmap_name(bitmap)) {
continue;
}