Now that the return path thread is allowed to finish during a paused
migration, we can move the cleanup of the QEMUFiles to the main
migration thread.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
migration/migration.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index af78f7ee54..e2ed85b5be 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -98,6 +98,7 @@ static int migration_maybe_pause(MigrationState *s,
int *current_active_state,
int new_state);
static void migrate_fd_cancel(MigrationState *s);
+static int await_return_path_close_on_source(MigrationState *s);
static bool migration_needs_multiple_sockets(void)
{
@@ -1178,6 +1179,12 @@ static void migrate_fd_cleanup(MigrationState *s)
qemu_fclose(tmp);
}
+ /*
+ * We already cleaned up to_dst_file, so errors from the return
+ * path might be due to that, ignore them.
+ */
+ await_return_path_close_on_source(s);
+
assert(!migration_is_active(s));
if (s->state == MIGRATION_STATUS_CANCELLING) {
@@ -1997,7 +2004,6 @@ out:
}
trace_source_return_path_thread_end();
- migration_release_dst_files(ms);
rcu_unregister_thread();
return NULL;
}
@@ -2051,6 +2057,9 @@ static int await_return_path_close_on_source(MigrationState *ms)
ret = ms->rp_state.error;
ms->rp_state.error = false;
+
+ migration_release_dst_files(ms);
+
trace_migration_return_path_end_after(ret);
return ret;
}
--
2.35.3