diff options
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/migration/migration.c b/migration/migration.c index 1420ccc..1ab9535 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -34,6 +34,7 @@ #include "qom/cpu.h" #include "exec/memory.h" #include "exec/address-spaces.h" +#include "io/channel-buffer.h" #define MAX_THROTTLE (32 << 20) /* Migration transfer speed throttling */ @@ -1457,7 +1458,8 @@ static int await_return_path_close_on_source(MigrationState *ms) static int postcopy_start(MigrationState *ms, bool *old_vm_running) { int ret; - const QEMUSizedBuffer *qsb; + QIOChannelBuffer *bioc; + QEMUFile *fb; int64_t time_at_stop = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); migrate_set_state(&ms->state, MIGRATION_STATUS_ACTIVE, MIGRATION_STATUS_POSTCOPY_ACTIVE); @@ -1516,11 +1518,9 @@ static int postcopy_start(MigrationState *ms, bool *old_vm_running) * So we wrap the device state up in a package with a length at the start; * to do this we use a qemu_buf to hold the whole of the device state. */ - QEMUFile *fb = qemu_bufopen("w", NULL); - if (!fb) { - error_report("Failed to create buffered file"); - goto fail; - } + bioc = qio_channel_buffer_new(4096); + fb = qemu_fopen_channel_output(QIO_CHANNEL(bioc)); + object_unref(OBJECT(bioc)); /* * Make sure the receiver can get incoming pages before we send the rest @@ -1534,10 +1534,9 @@ static int postcopy_start(MigrationState *ms, bool *old_vm_running) qemu_savevm_send_postcopy_run(fb); /* <><> end of stuff going into the package */ - qsb = qemu_buf_get(fb); /* Now send that blob */ - if (qemu_savevm_send_packaged(ms->to_dst_file, qsb)) { + if (qemu_savevm_send_packaged(ms->to_dst_file, bioc->data, bioc->usage)) { goto fail_closefb; } qemu_fclose(fb); |