void ide_flush_cache(IDEState *s) { if (s->bs == NULL) { ide_flush_cb(s, 0); return; } s->status |= BUSY_STAT; block_acct_start(bdrv_get_stats(s->bs), &s->acct, 0, BLOCK_ACCT_FLUSH); s->pio_aiocb = bdrv_aio_flush(s->bs, ide_flush_cb, s); }