bdrv_unref_child() does the following things:
- Updates the child->bs->inherits_from pointer.
- Calls bdrv_detach_child() to remove the BdrvChild from bs->children.
- Calls bdrv_unref() to unref the child BlockDriverState.
When bdrv_unref_child() was introduced in commit 33a604075c it was n
On Mon 13 May 2019 03:46:17 PM CEST, Alberto Garcia wrote:
> Now bdrv_close() unrefs all children (before this patch it was only
> bs->file and bs->backing). As a result, none of the callers of
> brvd_attach_child() should remove their reference to child_bs (because
> this function effectively stea
On 23.05.19 17:27, Alberto Garcia wrote:
> On Mon 13 May 2019 03:46:17 PM CEST, Alberto Garcia wrote:
>> Now bdrv_close() unrefs all children (before this patch it was only
>> bs->file and bs->backing). As a result, none of the callers of
>> brvd_attach_child() should remove their reference to chil
