static void unset_dirty_tracking(void) { BlkMigDevState *bmds; QSIMPLEQ_FOREACH(bmds, &block_mig_state.bmds_list, entry) { aio_context_acquire(blk_get_aio_context(bmds->blk)); bdrv_release_dirty_bitmap(blk_bs(bmds->blk), bmds->dirty_bitmap); aio_context_release(blk_get_aio_context(bmds->blk)); } }