On Wed, Aug 19, 2026 at 05:24:02PM +0200, Daniel Gomez wrote:
> Raise the QEMU NVMe controller's MDTS beyond the 2 MiB cap.
>
> Commit 53493c1f83 ("hw/nvme: cap MDTS value for internal limitation")
> needed the 2 MiB cap because dma_blk_io() submitted the full sglist
> in one preadv()/pwritev() call, which the host kernel rejects when the
> iovec count exceeds IOV_MAX. This series moves the IOV_MAX bound down to
> dma_blk_cb(), where we batch in IOV_MAX chunks when necessary.
Series looks good to me:
Reviewed-by: Keith Busch <[email protected]>