BlockAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags, BlockCompletionFunc *cb, void *opaque) { trace_bdrv_aio_write_zeroes(bs, sector_num, nb_sectors, flags, opaque); return bdrv_co_aio_rw_vector(bs, sector_num, NULL, nb_sectors, BDRV_REQ_ZERO_WRITE | flags, cb, opaque, true); }