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Re: [Qemu-devel] [PATCH 08/11] migration: Use always helper to set state


From: Juan Quintela
Subject: Re: [Qemu-devel] [PATCH 08/11] migration: Use always helper to set state
Date: Wed, 01 Jul 2015 09:33:43 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

"Dr. David Alan Gilbert" <address@hidden> wrote:
> * Juan Quintela (address@hidden) wrote:
>> There were three places that were not using the migrate_set_state()
>> helper, just fix that.
>> 
>> Signed-off-by: Juan Quintela <address@hidden>
>> ---
>>  migration/migration.c | 6 +++---
>>  1 file changed, 3 insertions(+), 3 deletions(-)
>> 
>> diff --git a/migration/migration.c b/migration/migration.c
>> index 1791185..1c84249 100644
>> --- a/migration/migration.c
>> +++ b/migration/migration.c
>> @@ -545,7 +545,7 @@ void migrate_fd_error(MigrationState *s)
>>  {
>>      trace_migrate_fd_error();
>>      assert(s->file == NULL);
>> -    s->state = MIGRATION_STATUS_FAILED;
>> +    migrate_set_state(s, MIGRATION_STATUS_SETUP, MIGRATION_STATUS_FAILED);
>>      trace_migrate_set_state(MIGRATION_STATUS_FAILED);
>>      notifier_list_notify(&migration_state_notifiers, s);
>>  }
>> @@ -630,7 +630,7 @@ static MigrationState *migrate_init(const 
>> MigrationParams *params)
>>      s->parameters[MIGRATION_PARAMETER_DECOMPRESS_THREADS] =
>>                 decompress_thread_count;
>>      s->bandwidth_limit = bandwidth_limit;
>> -    s->state = MIGRATION_STATUS_SETUP;
>> +    migrate_set_state(s, MIGRATION_STATUS_NONE, MIGRATION_STATUS_SETUP);
>>      trace_migrate_set_state(MIGRATION_STATUS_SETUP);
>
> Does that work if you do a migrate, cancel it and then migrate again?
> I think the status would be MIGRATION_STATUS_CANCELLED at that point.

Force state to be NONE in a different patch, see new series.


>
> Dave
>
>> 
>>      s->total_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
>> @@ -723,7 +723,7 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
>>  #endif
>>      } else {
>>          error_set(errp, QERR_INVALID_PARAMETER_VALUE, "uri", "a valid 
>> migration protocol");
>> -        s->state = MIGRATION_STATUS_FAILED;
>> +        migrate_set_state(s, MIGRATION_STATUS_SETUP, 
>> MIGRATION_STATUS_FAILED);
>>          return;
>>      }
>> 
>> -- 
>> 2.4.3
>> 
>> 
> --
> Dr. David Alan Gilbert / address@hidden / Manchester, UK



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