On 14/12/2023 14:37, Christoph Hellwig wrote:
On Wed, Dec 13, 2023 at 04:27:35PM +0000, John Garry wrote:Are there any patches yet for the change to always use SGLs for transfers larger than a single PRP?No.Here is the WIP version. With that you'd need to make atomic writes conditional on !ctrl->need_virt_boundary.
Cheers, I gave it a quick spin and on the surface looks ok. # more /sys/block/nvme0n1/queue/atomic_write_unit_max_bytes 262144 # more /sys/block/nvme0n1/queue/virt_boundary_mask 0
