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.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240202102857.110210-22-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
---
 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 b574e66f7b..9b695685b1 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -312,7 +312,7 @@ 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) {
@@ -663,7 +663,7 @@ 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();
 
@@ -760,7 +760,7 @@ fail:
                       MIGRATION_STATUS_FAILED);
     qemu_fclose(mis->from_src_file);
 
-    multifd_load_cleanup();
+    multifd_recv_cleanup();
     compress_threads_load_cleanup();
 
     exit(EXIT_FAILURE);
@@ -886,7 +886,7 @@ 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;
     }
 
@@ -1332,7 +1332,7 @@ 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;
@@ -3630,7 +3630,7 @@ 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();
-- 
2.43.0