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From: Fabiano Rosas <farosas@suse.de>
To: peterx@redhat.com, qemu-devel@nongnu.org
Cc: Hao Xiang <hao.xiang@bytedance.com>,
	Bryan Zhang <bryan.zhang@bytedance.com>,
	peterx@redhat.com, Avihai Horon <avihaih@nvidia.com>,
	Yuan Liu <yuan1.liu@intel.com>,
	Prasad Pandit <ppandit@redhat.com>
Subject: Re: [PATCH v2 21/23] migration/multifd: Stick with send/recv on function names
Date: Fri, 02 Feb 2024 18:03:29 -0300	[thread overview]
Message-ID: <8734uah93y.fsf@suse.de> (raw)
In-Reply-To: <20240202102857.110210-22-peterx@redhat.com>

peterx@redhat.com writes:

> From: Peter Xu <peterx@redhat.com>
>
> Most of the multifd code uses send/recv to represent the two sides, but
> some rare cases use save/load.
>
> Since send/recv is the majority, replacing the save/load use cases to use
> send/recv globally.  Now we reach a consensus on the naming.
>
> Signed-off-by: Peter Xu <peterx@redhat.com>

Good!

Reviewed-by: Fabiano Rosas <farosas@suse.de>

> ---
>  migration/multifd.h   | 10 +++++-----
>  migration/migration.c | 12 ++++++------
>  migration/multifd.c   | 10 +++++-----
>  3 files changed, 16 insertions(+), 16 deletions(-)
>
> diff --git a/migration/multifd.h b/migration/multifd.h
> index a320c53a6f..9b40a53cb6 100644
> --- a/migration/multifd.h
> +++ b/migration/multifd.h
> @@ -13,11 +13,11 @@
>  #ifndef QEMU_MIGRATION_MULTIFD_H
>  #define QEMU_MIGRATION_MULTIFD_H
>  
> -int multifd_save_setup(Error **errp);
> -void multifd_save_cleanup(void);
> -int multifd_load_setup(Error **errp);
> -void multifd_load_cleanup(void);
> -void multifd_load_shutdown(void);
> +int multifd_send_setup(Error **errp);
> +void multifd_send_shutdown(void);
> +int multifd_recv_setup(Error **errp);
> +void multifd_recv_cleanup(void);
> +void multifd_recv_shutdown(void);
>  bool multifd_recv_all_channels_created(void);
>  void multifd_recv_new_channel(QIOChannel *ioc, Error **errp);
>  void multifd_recv_sync_main(void);
> diff --git a/migration/migration.c b/migration/migration.c
> index d5f705ceef..ba99772e76 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -311,7 +311,7 @@ void migration_incoming_state_destroy(void)
>  {
>      struct MigrationIncomingState *mis = migration_incoming_get_current();
>  
> -    multifd_load_cleanup();
> +    multifd_recv_cleanup();
>      compress_threads_load_cleanup();
>  
>      if (mis->to_src_file) {
> @@ -662,7 +662,7 @@ static void process_incoming_migration_bh(void *opaque)
>  
>      trace_vmstate_downtime_checkpoint("dst-precopy-bh-announced");
>  
> -    multifd_load_shutdown();
> +    multifd_recv_shutdown();
>  
>      dirty_bitmap_mig_before_vm_start();
>  
> @@ -759,7 +759,7 @@ fail:
>                        MIGRATION_STATUS_FAILED);
>      qemu_fclose(mis->from_src_file);
>  
> -    multifd_load_cleanup();
> +    multifd_recv_cleanup();
>      compress_threads_load_cleanup();
>  
>      exit(EXIT_FAILURE);
> @@ -885,7 +885,7 @@ void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp)
>          default_channel = !mis->from_src_file;
>      }
>  
> -    if (multifd_load_setup(errp) != 0) {
> +    if (multifd_recv_setup(errp) != 0) {
>          return;
>      }
>  
> @@ -1331,7 +1331,7 @@ static void migrate_fd_cleanup(MigrationState *s)
>          }
>          bql_lock();
>  
> -        multifd_save_cleanup();
> +        multifd_send_shutdown();
>          qemu_mutex_lock(&s->qemu_file_lock);
>          tmp = s->to_dst_file;
>          s->to_dst_file = NULL;
> @@ -3623,7 +3623,7 @@ void migrate_fd_connect(MigrationState *s, Error *error_in)
>          return;
>      }
>  
> -    if (multifd_save_setup(&local_err) != 0) {
> +    if (multifd_send_setup(&local_err) != 0) {
>          migrate_set_error(s, local_err);
>          error_report_err(local_err);
>          migrate_set_state(&s->state, MIGRATION_STATUS_SETUP,
> diff --git a/migration/multifd.c b/migration/multifd.c
> index e2dd2f6e04..130f86a1fb 100644
> --- a/migration/multifd.c
> +++ b/migration/multifd.c
> @@ -663,7 +663,7 @@ static void multifd_send_cleanup_state(void)
>      multifd_send_state = NULL;
>  }
>  
> -void multifd_save_cleanup(void)
> +void multifd_send_shutdown(void)
>  {
>      int i;
>  
> @@ -965,7 +965,7 @@ static void multifd_new_send_channel_create(gpointer opaque)
>      socket_send_channel_create(multifd_new_send_channel_async, opaque);
>  }
>  
> -int multifd_save_setup(Error **errp)
> +int multifd_send_setup(Error **errp)
>  {
>      int thread_count;
>      uint32_t page_count = MULTIFD_PACKET_SIZE / qemu_target_page_size();
> @@ -1063,7 +1063,7 @@ static void multifd_recv_terminate_threads(Error *err)
>      }
>  }
>  
> -void multifd_load_shutdown(void)
> +void multifd_recv_shutdown(void)
>  {
>      if (migrate_multifd()) {
>          multifd_recv_terminate_threads(NULL);
> @@ -1098,7 +1098,7 @@ static void multifd_recv_cleanup_state(void)
>      multifd_recv_state = NULL;
>  }
>  
> -void multifd_load_cleanup(void)
> +void multifd_recv_cleanup(void)
>  {
>      int i;
>  
> @@ -1213,7 +1213,7 @@ static void *multifd_recv_thread(void *opaque)
>      return NULL;
>  }
>  
> -int multifd_load_setup(Error **errp)
> +int multifd_recv_setup(Error **errp)
>  {
>      int thread_count;
>      uint32_t page_count = MULTIFD_PACKET_SIZE / qemu_target_page_size();


  reply	other threads:[~2024-02-02 21:04 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-02 10:28 [PATCH v2 00/23] migration/multifd: Refactor ->send_prepare() and cleanups peterx
2024-02-02 10:28 ` [PATCH v2 01/23] migration/multifd: Drop stale comment for multifd zero copy peterx
2024-02-02 10:28 ` [PATCH v2 02/23] migration/multifd: multifd_send_kick_main() peterx
2024-02-02 10:28 ` [PATCH v2 03/23] migration/multifd: Drop MultiFDSendParams.quit, cleanup error paths peterx
2024-02-02 19:15   ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 04/23] migration/multifd: Postpone reset of MultiFDPages_t peterx
2024-02-02 10:28 ` [PATCH v2 05/23] migration/multifd: Drop MultiFDSendParams.normal[] array peterx
2024-02-09  0:06   ` [External] " Hao Xiang
2024-02-09 12:20     ` Fabiano Rosas
2024-02-14  2:16       ` Hao Xiang
2024-02-14 17:17         ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 06/23] migration/multifd: Separate SYNC request with normal jobs peterx
2024-02-02 19:21   ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 07/23] migration/multifd: Simplify locking in sender thread peterx
2024-02-02 19:23   ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 08/23] migration/multifd: Drop pages->num check " peterx
2024-02-02 10:28 ` [PATCH v2 09/23] migration/multifd: Rename p->num_packets and clean it up peterx
2024-02-02 10:28 ` [PATCH v2 10/23] migration/multifd: Move total_normal_pages accounting peterx
2024-02-02 10:28 ` [PATCH v2 11/23] migration/multifd: Move trace_multifd_send|recv() peterx
2024-02-02 10:28 ` [PATCH v2 12/23] migration/multifd: multifd_send_prepare_header() peterx
2024-02-02 10:28 ` [PATCH v2 13/23] migration/multifd: Move header prepare/fill into send_prepare() peterx
2024-02-02 19:26   ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 14/23] migration/multifd: Forbid spurious wakeups peterx
2024-02-02 10:28 ` [PATCH v2 15/23] migration/multifd: Split multifd_send_terminate_threads() peterx
2024-02-02 19:28   ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 16/23] migration/multifd: Change retval of multifd_queue_page() peterx
2024-02-02 19:29   ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 17/23] migration/multifd: Change retval of multifd_send_pages() peterx
2024-02-02 19:30   ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 18/23] migration/multifd: Rewrite multifd_queue_page() peterx
2024-02-02 20:47   ` Fabiano Rosas
2024-02-05  4:03     ` Peter Xu
2024-02-02 10:28 ` [PATCH v2 19/23] migration/multifd: Cleanup multifd_save_cleanup() peterx
2024-02-02 20:54   ` Fabiano Rosas
2024-02-05  4:25     ` Peter Xu
2024-02-02 10:28 ` [PATCH v2 20/23] migration/multifd: Cleanup multifd_load_cleanup() peterx
2024-02-02 20:55   ` Fabiano Rosas
2024-02-02 10:28 ` [PATCH v2 21/23] migration/multifd: Stick with send/recv on function names peterx
2024-02-02 21:03   ` Fabiano Rosas [this message]
2024-02-02 10:28 ` [PATCH v2 22/23] migration/multifd: Fix MultiFDSendParams.packet_num race peterx
2024-02-02 21:08   ` Fabiano Rosas
2024-02-05  4:05     ` Peter Xu
2024-02-02 10:28 ` [PATCH v2 23/23] migration/multifd: Optimize sender side to be lockless peterx
2024-02-02 21:34   ` Fabiano Rosas
2024-02-05  4:35     ` Peter Xu
2024-02-05 14:10       ` Fabiano Rosas
2024-02-05 14:24         ` Peter Xu
2024-02-05 17:59           ` Fabiano Rosas
2024-02-06  3:05 ` [PATCH v2 00/23] migration/multifd: Refactor ->send_prepare() and cleanups Peter Xu

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