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-rw-r--r--include/migration/migration.h3
-rw-r--r--migration/migration.c15
2 files changed, 18 insertions, 0 deletions
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 7881e8925b..af9135f0a7 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -180,6 +180,9 @@ struct MigrationState
/* Flag set once the migration thread is running (and needs joining) */
bool migration_thread_running;
+ /* Flag set once the migration thread called bdrv_inactivate_all */
+ bool block_inactive;
+
/* Queue of outstanding page requests from the destination */
QemuMutex src_page_req_mutex;
QSIMPLEQ_HEAD(src_page_requests, MigrationSrcPageRequest) src_page_requests;
diff --git a/migration/migration.c b/migration/migration.c
index 7dcb7d7a32..f8a4500cd1 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1006,6 +1006,16 @@ static void migrate_fd_cancel(MigrationState *s)
if (s->state == MIGRATION_STATUS_CANCELLING && f) {
qemu_file_shutdown(f);
}
+ if (s->state == MIGRATION_STATUS_CANCELLING && s->block_inactive) {
+ Error *local_err = NULL;
+
+ bdrv_invalidate_cache_all(&local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ } else {
+ s->block_inactive = false;
+ }
+ }
}
void add_migration_state_change_notifier(Notifier *notify)
@@ -1745,6 +1755,7 @@ static void migration_completion(MigrationState *s, int current_active_state,
if (ret >= 0) {
qemu_file_set_rate_limit(s->to_dst_file, INT64_MAX);
qemu_savevm_state_complete_precopy(s->to_dst_file, false);
+ s->block_inactive = true;
}
}
qemu_mutex_unlock_iothread();
@@ -1795,10 +1806,14 @@ fail_invalidate:
if (s->state == MIGRATION_STATUS_ACTIVE) {
Error *local_err = NULL;
+ qemu_mutex_lock_iothread();
bdrv_invalidate_cache_all(&local_err);
if (local_err) {
error_report_err(local_err);
+ } else {
+ s->block_inactive = false;
}
+ qemu_mutex_unlock_iothread();
}
fail: