diff options
Diffstat (limited to 'migration/savevm.c')
| -rw-r--r-- | migration/savevm.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/migration/savevm.c b/migration/savevm.c index 192f2d8..b7908f6 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -2242,13 +2242,20 @@ int save_snapshot(const char *name, Error **errp) return ret; } -void qmp_xen_save_devices_state(const char *filename, Error **errp) +void qmp_xen_save_devices_state(const char *filename, bool has_live, bool live, + Error **errp) { QEMUFile *f; QIOChannelFile *ioc; int saved_vm_running; int ret; + if (!has_live) { + /* live default to true so old version of Xen tool stack can have a + * successfull live migration */ + live = true; + } + saved_vm_running = runstate_is_running(); vm_stop(RUN_STATE_SAVE_VM); global_state_store_running(); @@ -2263,6 +2270,20 @@ void qmp_xen_save_devices_state(const char *filename, Error **errp) qemu_fclose(f); if (ret < 0) { error_setg(errp, QERR_IO_ERROR); + } else { + /* libxl calls the QMP command "stop" before calling + * "xen-save-devices-state" and in case of migration failure, libxl + * would call "cont". + * So call bdrv_inactivate_all (release locks) here to let the other + * side of the migration take controle of the images. + */ + if (live && !saved_vm_running) { + ret = bdrv_inactivate_all(); + if (ret) { + error_setg(errp, "%s: bdrv_inactivate_all() failed (%d)", + __func__, ret); + } + } } the_end: |