Re: [PATCH 1/3] migration/multifd: Rename threadinfo.c functions

[Peter Xu <peterx@redhat.com>]

On Tue, Jun 06, 2023 at 11:45:49AM -0300, Fabiano Rosas wrote:
> The code in threadinfo.c is only used for the QMP command
> query-migrationthreads. Make it explicit that this is something
> related to QMP.
> 
> The current names are also too generic for a piece of code that
> doesn't affect the migration directly in any way.
> 
> Signed-off-by: Fabiano Rosas <farosas@suse.de>

Looks good here, but shall we reserve the qmp_* prefix to mostly qmp stuff
only?  Dropping "qmp_" in the new names would look better to me..

> ---
>  migration/migration.c  | 4 ++--
>  migration/multifd.c    | 4 ++--
>  migration/threadinfo.c | 4 ++--
>  migration/threadinfo.h | 5 ++---
>  4 files changed, 8 insertions(+), 9 deletions(-)
> 
> diff --git a/migration/migration.c b/migration/migration.c
> index dc05c6f6ea..e731fc98a1 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -2922,7 +2922,7 @@ static void *migration_thread(void *opaque)
>      MigThrError thr_error;
>      bool urgent = false;
>  
> -    thread = MigrationThreadAdd("live_migration", qemu_get_thread_id());
> +    thread = qmp_migration_threads_add("live_migration", qemu_get_thread_id());
>  
>      rcu_register_thread();
>  
> @@ -3000,7 +3000,7 @@ static void *migration_thread(void *opaque)
>      migration_iteration_finish(s);
>      object_unref(OBJECT(s));
>      rcu_unregister_thread();
> -    MigrationThreadDel(thread);
> +    qmp_migration_threads_remove(thread);
>      return NULL;
>  }
>  
> diff --git a/migration/multifd.c b/migration/multifd.c
> index 0bf5958a9c..5ec1ac5c64 100644
> --- a/migration/multifd.c
> +++ b/migration/multifd.c
> @@ -651,7 +651,7 @@ static void *multifd_send_thread(void *opaque)
>      int ret = 0;
>      bool use_zero_copy_send = migrate_zero_copy_send();
>  
> -    thread = MigrationThreadAdd(p->name, qemu_get_thread_id());
> +    thread = qmp_migration_threads_add(p->name, qemu_get_thread_id());
>  
>      trace_multifd_send_thread_start(p->id);
>      rcu_register_thread();
> @@ -767,7 +767,7 @@ out:
>      qemu_mutex_unlock(&p->mutex);
>  
>      rcu_unregister_thread();
> -    MigrationThreadDel(thread);
> +    qmp_migration_threads_remove(thread);
>      trace_multifd_send_thread_end(p->id, p->num_packets, p->total_normal_pages);
>  
>      return NULL;
> diff --git a/migration/threadinfo.c b/migration/threadinfo.c
> index 1de8b31855..c3e85c33e8 100644
> --- a/migration/threadinfo.c
> +++ b/migration/threadinfo.c
> @@ -14,7 +14,7 @@
>  
>  static QLIST_HEAD(, MigrationThread) migration_threads;
>  
> -MigrationThread *MigrationThreadAdd(const char *name, int thread_id)
> +MigrationThread *qmp_migration_threads_add(const char *name, int thread_id)
>  {
>      MigrationThread *thread =  g_new0(MigrationThread, 1);
>      thread->name = name;
> @@ -25,7 +25,7 @@ MigrationThread *MigrationThreadAdd(const char *name, int thread_id)
>      return thread;
>  }
>  
> -void MigrationThreadDel(MigrationThread *thread)
> +void qmp_migration_threads_remove(MigrationThread *thread)
>  {
>      if (thread) {
>          QLIST_REMOVE(thread, node);
> diff --git a/migration/threadinfo.h b/migration/threadinfo.h
> index 4d69423c0a..61b990f5e3 100644
> --- a/migration/threadinfo.h
> +++ b/migration/threadinfo.h
> @@ -23,6 +23,5 @@ struct MigrationThread {
>      QLIST_ENTRY(MigrationThread) node;
>  };
>  
> -MigrationThread *MigrationThreadAdd(const char *name, int thread_id);
> -
> -void MigrationThreadDel(MigrationThread *info);
> +MigrationThread *qmp_migration_threads_add(const char *name, int thread_id);
> +void qmp_migration_threads_remove(MigrationThread *info);
> -- 
> 2.35.3
> 

-- 
Peter Xu