[PATCH] Revert "nvme-pci: clamp max_hw_sectors based on DMA optimized limitation"

[Christoph Hellwig]

On Thu, Oct 08, 2026 at 08:36:54AM +0100, John Garry wrote:
> On 10/6/26 13:02, Christoph Hellwig wrote:
>> This turns down to cause up to 15% performance regressions on standard
>> large transfer workloads.  Revert it and hope the IOVA allocator can
>> eventually be fixed to remove the need for the original workaround.
>>
>> This reverts commit 3710e2b056cb92ad816e4d79fa54a6a5b6ad8cbd.
>>
>
> What was the block size and conditions for the original issue? The commit 
> just mentions that mdts=10 and we get a 4096KB max HW sectors.

Good question.  The original submitter and reporter are on Cc.