Re: [PATCH V4] migration: simplify blockers

[Peter Xu]

On Fri, Jul 07, 2023 at 01:20:48PM -0700, Steve Sistare wrote:
> Modify migrate_add_blocker and migrate_del_blocker to take an Error **
> reason.  This allows migration to own the Error object, so that if
> an error occurs, migration code can free the Error and clear the client
> handle, simplifying client code.
> 
> This is also a pre-requisite for future patches that will add a mode
> argument to migration requests to support live update, and will maintain
> a list of blockers for each mode.  A blocker may apply to a single mode
> or to multiple modes, and passing Error** will allow one Error object to
> be registered for multiple modes.
> 
> No functional change.
> 
> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>

What's the change comparing to v3?

If no major change, feel free to keep my R-b.

Thanks,

-- 
Peter Xu