diff options
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/colo.c | 2 | ||||
| -rw-r--r-- | migration/migration.c | 19 | ||||
| -rw-r--r-- | migration/savevm.c | 19 | ||||
| -rw-r--r-- | migration/savevm.h | 3 |
4 files changed, 25 insertions, 18 deletions
diff --git a/migration/colo.c b/migration/colo.c index c436d63..c4ba4c3 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -352,7 +352,7 @@ static int colo_do_checkpoint_transaction(MigrationState *s, qemu_savevm_state_header(fb); qemu_savevm_state_begin(fb); qemu_mutex_lock_iothread(); - qemu_savevm_state_complete_precopy(fb, false); + qemu_savevm_state_complete_precopy(fb, false, false); qemu_mutex_unlock_iothread(); qemu_fflush(fb); diff --git a/migration/migration.c b/migration/migration.c index b9d8798..f588329 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1553,7 +1553,7 @@ static int postcopy_start(MigrationState *ms, bool *old_vm_running) * Cause any non-postcopiable, but iterative devices to * send out their final data. */ - qemu_savevm_state_complete_precopy(ms->to_dst_file, true); + qemu_savevm_state_complete_precopy(ms->to_dst_file, true, false); /* * in Finish migrate and with the io-lock held everything should @@ -1597,7 +1597,7 @@ static int postcopy_start(MigrationState *ms, bool *old_vm_running) */ qemu_savevm_send_postcopy_listen(fb); - qemu_savevm_state_complete_precopy(fb, false); + qemu_savevm_state_complete_precopy(fb, false, false); qemu_savevm_send_ping(fb, 3); qemu_savevm_send_postcopy_run(fb); @@ -1695,20 +1695,15 @@ static void migration_completion(MigrationState *s, int current_active_state, ret = global_state_store(); if (!ret) { + bool inactivate = !migrate_colo_enabled(); ret = vm_stop_force_state(RUN_STATE_FINISH_MIGRATE); if (ret >= 0) { qemu_file_set_rate_limit(s->to_dst_file, INT64_MAX); - qemu_savevm_state_complete_precopy(s->to_dst_file, false); + ret = qemu_savevm_state_complete_precopy(s->to_dst_file, false, + inactivate); } - /* - * Don't mark the image with BDRV_O_INACTIVE flag if - * we will go into COLO stage later. - */ - if (ret >= 0 && !migrate_colo_enabled()) { - ret = bdrv_inactivate_all(); - if (ret >= 0) { - s->block_inactive = true; - } + if (inactivate && ret >= 0) { + s->block_inactive = true; } } qemu_mutex_unlock_iothread(); diff --git a/migration/savevm.c b/migration/savevm.c index f32a82d..6bfd489 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1104,7 +1104,8 @@ void qemu_savevm_state_complete_postcopy(QEMUFile *f) qemu_fflush(f); } -void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only) +int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only, + bool inactivate_disks) { QJSON *vmdesc; int vmdesc_len; @@ -1138,12 +1139,12 @@ void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only) save_section_footer(f, se); if (ret < 0) { qemu_file_set_error(f, ret); - return; + return -1; } } if (iterable_only) { - return; + return 0; } vmdesc = qjson_new(); @@ -1173,6 +1174,15 @@ void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only) json_end_object(vmdesc); } + if (inactivate_disks) { + /* Inactivate before sending QEMU_VM_EOF so that the + * bdrv_invalidate_cache_all() on the other end won't fail. */ + ret = bdrv_inactivate_all(); + if (ret) { + qemu_file_set_error(f, ret); + return ret; + } + } if (!in_postcopy) { /* Postcopy stream will still be going */ qemu_put_byte(f, QEMU_VM_EOF); @@ -1190,6 +1200,7 @@ void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only) qjson_destroy(vmdesc); qemu_fflush(f); + return 0; } /* Give an estimate of the amount left to be transferred, @@ -1263,7 +1274,7 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp) ret = qemu_file_get_error(f); if (ret == 0) { - qemu_savevm_state_complete_precopy(f, false); + qemu_savevm_state_complete_precopy(f, false, false); ret = qemu_file_get_error(f); } qemu_savevm_state_cleanup(); diff --git a/migration/savevm.h b/migration/savevm.h index 45b59c1..5a2ed11 100644 --- a/migration/savevm.h +++ b/migration/savevm.h @@ -35,7 +35,8 @@ void qemu_savevm_state_header(QEMUFile *f); int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy); void qemu_savevm_state_cleanup(void); void qemu_savevm_state_complete_postcopy(QEMUFile *f); -void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only); +int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only, + bool inactivate_disks); void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size, uint64_t *res_non_postcopiable, uint64_t *res_postcopiable); |