diff options
Diffstat (limited to 'migration.c')
| -rw-r--r-- | migration.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/migration.c b/migration.c index 6da17461f3..1f58d77f76 100644 --- a/migration.c +++ b/migration.c @@ -462,10 +462,15 @@ void qmp_migrate_set_speed(int64_t value, Error **errp) if (value < 0) { value = 0; } + if (value > SIZE_MAX) { + value = SIZE_MAX; + } s = migrate_get_current(); s->bandwidth_limit = value; - qemu_file_set_rate_limit(s->file, s->bandwidth_limit); + if (s->file) { + qemu_file_set_rate_limit(s->file, s->bandwidth_limit / XFER_LIMIT_RATIO); + } } void qmp_migrate_set_downtime(double value, Error **errp) @@ -567,11 +572,8 @@ static int64_t migration_set_rate_limit(void *opaque, int64_t new_rate) if (qemu_file_get_error(s->file)) { goto out; } - if (new_rate > SIZE_MAX) { - new_rate = SIZE_MAX; - } - s->xfer_limit = new_rate / XFER_LIMIT_RATIO; + s->xfer_limit = new_rate; out: return s->xfer_limit; @@ -614,7 +616,7 @@ static void *migration_thread(void *opaque) qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER); old_vm_running = runstate_is_running(); vm_stop_force_state(RUN_STATE_FINISH_MIGRATE); - s->xfer_limit = INT_MAX; + qemu_file_set_rate_limit(s->file, INT_MAX); qemu_savevm_state_complete(s->file); qemu_mutex_unlock_iothread(); if (!qemu_file_get_error(s->file)) { @@ -691,11 +693,12 @@ void migrate_fd_connect(MigrationState *s) /* This is a best 1st approximation. ns to ms */ s->expected_downtime = max_downtime/1000000; - s->xfer_limit = s->bandwidth_limit / XFER_LIMIT_RATIO; - s->cleanup_bh = qemu_bh_new(migrate_fd_cleanup, s); s->file = qemu_fopen_ops(s, &migration_file_ops); + qemu_file_set_rate_limit(s->file, + s->bandwidth_limit / XFER_LIMIT_RATIO); + qemu_thread_create(&s->thread, migration_thread, s, QEMU_THREAD_JOINABLE); notifier_list_notify(&migration_state_notifiers, s); |