From ed089506eeb44fd7f7f385a9172e51b198ae489d Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Tue, 24 Aug 2021 11:38:24 +0300 Subject: block: introduce blk_replace_bs Add function to change bs inside blk. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Max Reitz Message-Id: <20210824083856.17408-3-vsementsov@virtuozzo.com> Signed-off-by: Hanna Reitz --- block/block-backend.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'block') diff --git a/block/block-backend.c b/block/block-backend.c index deb55c2..6140d13 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -870,6 +870,14 @@ int blk_insert_bs(BlockBackend *blk, BlockDriverState *bs, Error **errp) } /* + * Change BlockDriverState associated with @blk. + */ +int blk_replace_bs(BlockBackend *blk, BlockDriverState *new_bs, Error **errp) +{ + return bdrv_replace_child_bs(blk->root, new_bs, errp); +} + +/* * Sets the permission bitmasks that the user of the BlockBackend needs. */ int blk_set_perm(BlockBackend *blk, uint64_t perm, uint64_t shared_perm, -- cgit v1.1