block: Add error handling to bdrv_invalidate_cache()
If it returns an error, the migrated VM will not be started, but qemu
exits with an error message.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
diff --git a/migration.c b/migration.c
index 00f465e..e0e24d4 100644
--- a/migration.c
+++ b/migration.c
@@ -101,6 +101,7 @@
static void process_incoming_migration_co(void *opaque)
{
QEMUFile *f = opaque;
+ Error *local_err = NULL;
int ret;
ret = qemu_loadvm_state(f);
@@ -115,7 +116,12 @@
bdrv_clear_incoming_migration_all();
/* Make sure all file formats flush their mutable metadata */
- bdrv_invalidate_cache_all();
+ bdrv_invalidate_cache_all(&local_err);
+ if (local_err) {
+ qerror_report_err(local_err);
+ error_free(local_err);
+ exit(EXIT_FAILURE);
+ }
if (autostart) {
vm_start();