diff options
Diffstat (limited to 'migration/savevm.c')
| -rw-r--r-- | migration/savevm.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/migration/savevm.c b/migration/savevm.c index 358c5b5..fbeac65 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -54,6 +54,7 @@ #include "qemu/cutils.h" #include "io/channel-buffer.h" #include "io/channel-file.h" +#include "sysemu/replay.h" #ifndef ETH_P_RARP #define ETH_P_RARP 0x8035 @@ -2197,6 +2198,12 @@ int save_snapshot(const char *name, Error **errp) struct tm tm; AioContext *aio_context; + if (!replay_can_snapshot()) { + error_report("Record/replay does not allow making snapshot " + "right now. Try once more later."); + return ret; + } + if (!bdrv_all_can_snapshot(&bs)) { error_setg(errp, "Device '%s' is writable but does not support " "snapshots", bdrv_get_device_name(bs)); @@ -2388,6 +2395,12 @@ int load_snapshot(const char *name, Error **errp) AioContext *aio_context; MigrationIncomingState *mis = migration_incoming_get_current(); + if (!replay_can_snapshot()) { + error_report("Record/replay does not allow loading snapshot " + "right now. Try once more later."); + return -EINVAL; + } + if (!bdrv_all_can_snapshot(&bs)) { error_setg(errp, "Device '%s' is writable but does not support snapshots", |