LXR qemu/migration/block-active.c

   1/*
   2 * Block activation tracking for migration purpose
   3 *
   4 * SPDX-License-Identifier: GPL-2.0-or-later
   5 *
   6 * Copyright (C) 2024 Red Hat, Inc.
   7 */
   8#include "qemu/osdep.h"
   9#include "block/block.h"
  10#include "qapi/error.h"
  11#include "migration/migration.h"
  12#include "qemu/error-report.h"
  13#include "trace.h"
  14
  15bool migration_block_activate(Error **errp)
  16{
  17    ERRP_GUARD();
  18
  19    assert(bql_locked());
  20
  21    trace_migration_block_activation("active");
  22
  23    bdrv_activate_all(errp);
  24    if (*errp) {
  25        error_report_err(error_copy(*errp));
  26        return false;
  27    }
  28
  29    return true;
  30}
  31
  32bool migration_block_inactivate(void)
  33{
  34    int ret;
  35
  36    assert(bql_locked());
  37
  38    trace_migration_block_activation("inactive");
  39
  40    ret = bdrv_inactivate_all();
  41    if (ret) {
  42        error_report("%s: bdrv_inactivate_all() failed: %d",
  43                     __func__, ret);
  44        return false;
  45    }
  46
  47    return true;
  48}
  49