Re: [PATCH v3 08/13] migration: Remove MigrationState from block_cleanup_parameters()

[Juan Quintela <quintela@redhat.com>]

Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> wrote:
> On 24.04.23 21:32, Juan Quintela wrote:
>> This makes the function more regular with everything else.
>> Signed-off-by: Juan Quintela <quintela@redhat.com>
>
> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>

Thanks.

>> ---
>>   migration/migration.c | 4 ++--
>>   migration/options.c   | 4 +++-
>>   migration/options.h   | 2 +-
>>   3 files changed, 6 insertions(+), 4 deletions(-)
>> diff --git a/migration/migration.c b/migration/migration.c
>> index cefe6da2b8..ef8caa79b9 100644
>> --- a/migration/migration.c
>> +++ b/migration/migration.c
>> @@ -1218,7 +1218,7 @@ static void migrate_fd_cleanup(MigrationState *s)
>>           error_report_err(error_copy(s->error));
>>       }
>>       notifier_list_notify(&migration_state_notifiers, s);
>> -    block_cleanup_parameters(s);
>> +    block_cleanup_parameters();
>>       yank_unregister_instance(MIGRATION_YANK_INSTANCE);
>>   }
>>   @@ -1712,7 +1712,7 @@ void qmp_migrate(const char *uri, bool
>> has_blk, bool blk,
>>                      "a valid migration protocol");
>>           migrate_set_state(&s->state, MIGRATION_STATUS_SETUP,
>>                             MIGRATION_STATUS_FAILED);
>> -        block_cleanup_parameters(s);
>> +        block_cleanup_parameters();
>>           return;
>>       }
>>   diff --git a/migration/options.c b/migration/options.c
>> index 26fe00799b..f65b7babef 100644
>> --- a/migration/options.c
>> +++ b/migration/options.c
>> @@ -597,8 +597,10 @@ void migrate_set_block_incremental(bool value)
>>     /* parameters helpers */
>>   -void block_cleanup_parameters(MigrationState *s)
>> +void block_cleanup_parameters(void)
>>   {
>> +    MigrationState *s = migrate_get_current();
>> +
>>       if (s->must_remove_block_options) {
>>           /* setting to false can never fail */
>>           migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, false, &error_abort);
>> diff --git a/migration/options.h b/migration/options.h
>> index 1fc8d341dd..3948218dbe 100644
>> --- a/migration/options.h
>> +++ b/migration/options.h
>> @@ -90,6 +90,6 @@ void migrate_set_block_incremental(bool value);
>>     bool migrate_params_check(MigrationParameters *params, Error
>> **errp);
>>   void migrate_params_init(MigrationParameters *params);
>> -void block_cleanup_parameters(MigrationState *s);
>> +void block_cleanup_parameters(void);
>
> Don't you want to rename it to migrate_* ?

The idea is to deprecate block migration.  There are much better things
on the block layer to migrate disks.  So I think we can let it from now
there.


Later, Juan.