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

@ -30,7 +30,7 @@
static int compress_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file, false,
bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file, 0, false,
errp);
if (!bs->file) {
return -EINVAL;