On 2025/1/28 14:46, Christoph Hellwig wrote: > I think you also need to add BLK_FEAT_WRITE_ZEROES_UNMAP to the list > of features supported by the nvme-mpath stacking driver in > nvme_mpath_alloc_disk, so that this gets propagated to multipathed > devices. > > Otherwise this looks good to me. Ha, thanks for pointing this out, I missed this case, will add. Thanks, Yi.