diff mbox series

[3/5] migration/multifd: Move multifd_save_setup error handling in to the function

Message ID 20240202191128.1901-4-farosas@suse.de
State New
Headers show
Series migration/multifd: Fix channel creation vs. cleanup races | expand

Commit Message

Fabiano Rosas Feb. 2, 2024, 7:11 p.m. UTC 
Hide the error handling inside multifd_save_setup to make it cleaner
for the next patch to move the function around.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 migration/migration.c |  6 +-----
 migration/multifd.c   | 24 +++++++++++++++++-------
 migration/multifd.h   |  2 +-
 3 files changed, 19 insertions(+), 13 deletions(-)

Comments

Peter Xu Feb. 5, 2024, 5:52 a.m. UTC | #1 
On Fri, Feb 02, 2024 at 04:11:26PM -0300, Fabiano Rosas wrote:
> Hide the error handling inside multifd_save_setup to make it cleaner
> for the next patch to move the function around.
> 
> Signed-off-by: Fabiano Rosas <farosas@suse.de>

Reviewed-by: Peter Xu <peterx@redhat.com>
diff mbox series

Patch

diff --git a/migration/migration.c b/migration/migration.c
index d5f705ceef..55abb175cc 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -3623,11 +3623,7 @@  void migrate_fd_connect(MigrationState *s, Error *error_in)
         return;
     }
 
-    if (multifd_save_setup(&local_err) != 0) {
-        migrate_set_error(s, local_err);
-        error_report_err(local_err);
-        migrate_set_state(&s->state, MIGRATION_STATUS_SETUP,
-                          MIGRATION_STATUS_FAILED);
+    if (!multifd_save_setup()) {
         migrate_fd_cleanup(s);
         return;
     }
diff --git a/migration/multifd.c b/migration/multifd.c
index 402b7fd776..1851206352 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -902,14 +902,16 @@  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)
+bool multifd_save_setup(void)
 {
-    int thread_count;
+    MigrationState *s = migrate_get_current();
+    Error *local_err = NULL;
+    int thread_count, ret = 0;
     uint32_t page_count = MULTIFD_PACKET_SIZE / qemu_target_page_size();
     uint8_t i;
 
     if (!migrate_multifd()) {
-        return 0;
+        return true;
     }
 
     thread_count = migrate_multifd_channels();
@@ -953,14 +955,22 @@  int multifd_save_setup(Error **errp)
 
     for (i = 0; i < thread_count; i++) {
         MultiFDSendParams *p = &multifd_send_state->params[i];
-        int ret;
 
-        ret = multifd_send_state->ops->send_setup(p, errp);
+        ret = multifd_send_state->ops->send_setup(p, &local_err);
         if (ret) {
-            return ret;
+            break;
         }
     }
-    return 0;
+
+    if (ret) {
+        migrate_set_error(s, local_err);
+        error_report_err(local_err);
+        migrate_set_state(&s->state, MIGRATION_STATUS_SETUP,
+                          MIGRATION_STATUS_FAILED);
+        return false;
+    }
+
+    return true;
 }
 
 struct {
diff --git a/migration/multifd.h b/migration/multifd.h
index 917833c309..4acbd65e91 100644
--- a/migration/multifd.h
+++ b/migration/multifd.h
@@ -13,7 +13,7 @@ 
 #ifndef QEMU_MIGRATION_MULTIFD_H
 #define QEMU_MIGRATION_MULTIFD_H
 
-int multifd_save_setup(Error **errp);
+bool multifd_save_setup(void);
 void multifd_save_cleanup(void);
 int multifd_load_setup(Error **errp);
 void multifd_load_cleanup(void);