On 7/24/25 19:06, John Garry wrote: > On 22/07/2025 11:26, John Garry wrote: > drivers/block/virtio_blk.c - not sure, as we use > zone_write_granularity and I don't know if that must be a power-of-2, > but from sd_zbc_read_zones() we use physical_block_size, so prob ok Yes, zone_write_granularity must be a power of 2. Its default should be the LBA size. There is only one case were it can be different than LBA size: on 512e HDDs (512 B logical, 4K physical) in which case it must be equal to the physical block size. -- Damien Le Moal Western Digital Research
