mirror of https://gitee.com/openkylin/qemu.git
block/dirty-bitmap: add bdrv_dirty_bitmap_enable_successor()
Enabling bitmap successor is necessary to enable successors of bitmaps being migrated before target vm start. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Message-id: 20180207155837.92351-2-vsementsov@virtuozzo.com Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
parent
026aaf47c0
commit
e73a265e9f
|
@ -234,6 +234,14 @@ int bdrv_dirty_bitmap_create_successor(BlockDriverState *bs,
|
|||
return 0;
|
||||
}
|
||||
|
||||
/* Called with BQL taken. */
|
||||
void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap)
|
||||
{
|
||||
qemu_mutex_lock(bitmap->mutex);
|
||||
bdrv_enable_dirty_bitmap(bitmap->successor);
|
||||
qemu_mutex_unlock(bitmap->mutex);
|
||||
}
|
||||
|
||||
/**
|
||||
* For a bitmap with a successor, yield our name to the successor,
|
||||
* delete the old bitmap, and return a handle to the new bitmap.
|
||||
|
|
|
@ -21,6 +21,7 @@ BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs,
|
|||
BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BlockDriverState *bs,
|
||||
BdrvDirtyBitmap *bitmap,
|
||||
Error **errp);
|
||||
void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap);
|
||||
BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs,
|
||||
const char *name);
|
||||
void bdrv_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap);
|
||||
|
|
Loading…
Reference in New Issue