From e8a6bb9caa5379b0fcaca4e0a12aa6d2913961f3 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Wed, 18 Jan 2012 14:40:51 +0000 Subject: block: add bdrv_find_backing_image Add bdrv_find_backing_image: given a BlockDriverState pointer, and an id, traverse the backing image chain to locate the id. Signed-off-by: Marcelo Tosatti Signed-off-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- block.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'block.h') diff --git a/block.h b/block.h index a3b0b80859..cae289b2fb 100644 --- a/block.h +++ b/block.h @@ -148,6 +148,8 @@ int coroutine_fn bdrv_co_writev(BlockDriverState *bs, int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); int coroutine_fn bdrv_co_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum); +BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs, + const char *backing_file); int bdrv_truncate(BlockDriverState *bs, int64_t offset); int64_t bdrv_getlength(BlockDriverState *bs); int64_t bdrv_get_allocated_file_size(BlockDriverState *bs); -- cgit v1.2.3