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[PATCH v2 3/5] migration: Add cleanup hook for inwards migration
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[PATCH v2 3/5] migration: Add cleanup hook for inwards migration |
Date: |
Wed, 21 Apr 2021 12:28:32 +0100 |
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 --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.
--
2.31.1