diff options
Diffstat (limited to 'migration/multifd.c')
| -rw-r--r-- | migration/multifd.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/migration/multifd.c b/migration/multifd.c index 586ddc9d65..509bbbe3bf 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -566,6 +566,23 @@ void multifd_save_cleanup(void) multifd_send_state = NULL; } +static int multifd_zero_copy_flush(QIOChannel *c) +{ + int ret; + Error *err = NULL; + + ret = qio_channel_flush(c, &err); + if (ret < 0) { + error_report_err(err); + return -1; + } + if (ret == 1) { + dirty_sync_missed_zero_copy(); + } + + return ret; +} + int multifd_send_sync_main(QEMUFile *f) { int i; @@ -616,17 +633,8 @@ int multifd_send_sync_main(QEMUFile *f) qemu_mutex_unlock(&p->mutex); qemu_sem_post(&p->sem); - if (flush_zero_copy && p->c) { - int ret; - Error *err = NULL; - - ret = qio_channel_flush(p->c, &err); - if (ret < 0) { - error_report_err(err); - return -1; - } else if (ret == 1) { - dirty_sync_missed_zero_copy(); - } + if (flush_zero_copy && p->c && (multifd_zero_copy_flush(p->c) < 0)) { + return -1; } } for (i = 0; i < migrate_multifd_channels(); i++) { |