Re: [Qemu-devel] [PATCH] migration: use migration_is_active to represent active state

[Wei Yang <richardw.yang@linux.intel.com>]

On Fri, Sep 13, 2019 at 11:54:33PM +0000, Wei Yang wrote:
>On Wed, Jul 17, 2019 at 08:53:41AM +0800, Wei Yang wrote:
>>Wrap the check into a function to make it easy to read.
>>
>
>Hi, Dave & Juan
>
>Do you like this one :-) ?
>

Sorry for ping again.

>>Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
>>---
>> include/migration/misc.h |  1 +
>> migration/migration.c    | 12 ++++++++----
>> 2 files changed, 9 insertions(+), 4 deletions(-)
>>
>>diff --git a/include/migration/misc.h b/include/migration/misc.h
>>index 5cdbabd094..42d6abc920 100644
>>--- a/include/migration/misc.h
>>+++ b/include/migration/misc.h
>>@@ -61,6 +61,7 @@ void migration_object_init(void);
>> void migration_shutdown(void);
>> void qemu_start_incoming_migration(const char *uri, Error **errp);
>> bool migration_is_idle(void);
>>+bool migration_is_active(MigrationState *);
>> void add_migration_state_change_notifier(Notifier *notify);
>> void remove_migration_state_change_notifier(Notifier *notify);
>> bool migration_in_setup(MigrationState *);
>>diff --git a/migration/migration.c b/migration/migration.c
>>index 43fd8297ef..4c066fc85c 100644
>>--- a/migration/migration.c
>>+++ b/migration/migration.c
>>@@ -1529,8 +1529,7 @@ static void migrate_fd_cleanup(MigrationState *s)
>>         qemu_fclose(tmp);
>>     }
>> 
>>-    assert((s->state != MIGRATION_STATUS_ACTIVE) &&
>>-           (s->state != MIGRATION_STATUS_POSTCOPY_ACTIVE));
>>+    assert(!migration_is_active(s));
>> 
>>     if (s->state == MIGRATION_STATUS_CANCELLING) {
>>         migrate_set_state(&s->state, MIGRATION_STATUS_CANCELLING,
>>@@ -1690,6 +1689,12 @@ bool migration_is_idle(void)
>>     return false;
>> }
>> 
>>+bool migration_is_active(MigrationState *s)
>>+{
>>+    return (s->state == MIGRATION_STATUS_ACTIVE ||
>>+            s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE);
>>+}
>>+
>> void migrate_init(MigrationState *s)
>> {
>>     /*
>>@@ -3226,8 +3231,7 @@ static void *migration_thread(void *opaque)
>> 
>>     trace_migration_thread_setup_complete();
>> 
>>-    while (s->state == MIGRATION_STATUS_ACTIVE ||
>>-           s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE) {
>>+    while (migration_is_active(s)) {
>>         int64_t current_time;
>> 
>>         if (urgent || !qemu_file_rate_limit(s->to_dst_file)) {
>>-- 
>>2.17.1
>>
>
>-- 
>Wei Yang
>Help you, Help me

-- 
Wei Yang
Help you, Help me