diff mbox series

[v2,3/5] migration: Add cleanup hook for inwards migration

Message ID 20210421112834.107651-4-dgilbert@redhat.com (mailing list archive)
State New, archived
Headers show
Series mptcp support | expand

Commit Message

Dr. David Alan Gilbert April 21, 2021, 11:28 a.m. UTC 
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

Add a cleanup hook for incoming migration that gets called
at the end as a way for a transport to allow cleanup.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
---
 migration/migration.c | 3 +++
 migration/migration.h | 4 ++++
 2 files changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/migration/migration.c b/migration/migration.c
index 8ca034136b..d48986fbbb 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -279,6 +279,9 @@  void migration_incoming_state_destroy(void)
         g_array_free(mis->postcopy_remote_fds, TRUE);
         mis->postcopy_remote_fds = NULL;
     }
+    if (mis->transport_cleanup) {
+        mis->transport_cleanup(mis->transport_data);
+    }
 
     qemu_event_reset(&mis->main_thread_load_event);
 
diff --git a/migration/migration.h b/migration/migration.h
index db6708326b..1b4c5da917 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -49,6 +49,10 @@  struct PostcopyBlocktimeContext;
 struct MigrationIncomingState {
     QEMUFile *from_src_file;
 
+    /* A hook to allow cleanup at the end of incoming migration */
+    void *transport_data;
+    void (*transport_cleanup)(void *data);
+
     /*
      * Free at the start of the main state load, set as the main thread finishes
      * loading state.