Auto loading bitmaps are bitmaps store in the disk image, which should be loaded when the image is opened and become BdrvDirtyBitmaps for the corresponding drive.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- block.c | 14 ++++++++++++++ include/block/block.h | 2 ++ include/block/block_int.h | 3 +++ 3 files changed, 19 insertions(+) diff --git a/block.c b/block.c index 978eb06..61c048f 100644 --- a/block.c +++ b/block.c @@ -1137,6 +1137,13 @@ static int bdrv_open_common(BlockDriverState *bs, BdrvChild *file, goto free_and_fail; } + bdrv_load_autoloading_dirty_bitmaps(bs, &local_err); + if (local_err) { + error_propagate(errp, local_err); + ret = -EINVAL; + goto free_and_fail; + } + assert(bdrv_opt_mem_align(bs) != 0); assert(bdrv_min_mem_align(bs) != 0); assert(is_power_of_2(bs->bl.request_alignment)); @@ -4091,3 +4098,10 @@ void bdrv_del_child(BlockDriverState *parent_bs, BdrvChild *child, Error **errp) parent_bs->drv->bdrv_del_child(parent_bs, child, errp); } + +void bdrv_load_autoloading_dirty_bitmaps(BlockDriverState *bs, Error **errp) +{ + if (bs->drv && bs->drv->bdrv_load_autoloading_dirty_bitmaps) { + bs->drv->bdrv_load_autoloading_dirty_bitmaps(bs, errp); + } +} diff --git a/include/block/block.h b/include/block/block.h index 5c684b5..d1129c5 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -524,4 +524,6 @@ void bdrv_add_child(BlockDriverState *parent, BlockDriverState *child, Error **errp); void bdrv_del_child(BlockDriverState *parent, BdrvChild *child, Error **errp); +void bdrv_load_autoloading_dirty_bitmaps(BlockDriverState *bs, Error **errp); + #endif diff --git a/include/block/block_int.h b/include/block/block_int.h index e96e9ad..c8bc61f 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -322,6 +322,9 @@ struct BlockDriver { void (*bdrv_del_child)(BlockDriverState *parent, BdrvChild *child, Error **errp); + void (*bdrv_load_autoloading_dirty_bitmaps)(BlockDriverState *bs, + Error **errp); + QLIST_ENTRY(BlockDriver) list; }; -- 1.8.3.1