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block/dirty-bitmap: add bs link

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Add bs field to BdrvDirtyBitmap structure. Drop BlockDriverState
parameter from bitmap APIs where possible.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20190916141911.5255-3-vsementsov@virtuozzo.com
[Rebased on top of block-copy. --js]
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2019-09-16 17:19:09 +03:00 • committed by John Snow
parent 767db3aad8
commit 5deb6cbd1f
9 changed files with 35 additions and 40 deletions
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7
migration/block-dirty-bitmap.c
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@ -474,7 +474,7 @@ static int dirty_bitmap_load_start(QEMUFile *f, DirtyBitmapLoadState *s)
if (flags & DIRTY_BITMAP_MIG_START_FLAG_ENABLED) {
DirtyBitmapLoadBitmapState *b;
bdrv_dirty_bitmap_create_successor(s->bs, s->bitmap, &local_err);
bdrv_dirty_bitmap_create_successor(s->bitmap, &local_err);
if (local_err) {
error_report_err(local_err);
return -EINVAL;
@ -535,13 +535,12 @@ static void dirty_bitmap_load_complete(QEMUFile *f, DirtyBitmapLoadState *s)
bdrv_dirty_bitmap_lock(s->bitmap);
if (enabled_bitmaps == NULL) {
/* in postcopy */
bdrv_reclaim_dirty_bitmap_locked(s->bs, s->bitmap, &error_abort);
bdrv_reclaim_dirty_bitmap_locked(s->bitmap, &error_abort);
bdrv_enable_dirty_bitmap_locked(s->bitmap);
} else {
/* target not started, successor must be empty */
int64_t count = bdrv_get_dirty_count(s->bitmap);
BdrvDirtyBitmap *ret = bdrv_reclaim_dirty_bitmap_locked(s->bs,
s->bitmap,
BdrvDirtyBitmap *ret = bdrv_reclaim_dirty_bitmap_locked(s->bitmap,
NULL);
/* bdrv_reclaim_dirty_bitmap can fail only on no successor (it
* must be) or on merge fail, but merge can't fail when second