block: Add BdrvChildRole to BdrvChild

For now, it is always set to 0.  Later patches in this series will
ensure that all callers pass an appropriate combination of flags.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200513110544.176672-6-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2020-05-13 13:05:15 +02:00 committed by Kevin Wolf
parent 3284bcf430
commit 258b776515
31 changed files with 62 additions and 49 deletions

View file

@ -378,7 +378,7 @@ static int vdi_open(BlockDriverState *bs, QDict *options, int flags,
Error *local_err = NULL;
QemuUUID uuid_link, uuid_parent;
bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file,
bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file, 0,
false, errp);
if (!bs->file) {
return -EINVAL;