Re: [PATCH 0/4] io_uring: support vectored fixed kernel buffer

[Pavel Begunkov <asml.silence@gmail.com>]

On 4/2/25 12:59, Jens Axboe wrote:
> On 4/2/25 1:57 AM, Ming Lei wrote:
>> On Tue, Mar 25, 2025 at 09:51:49PM +0800, Ming Lei wrote:
>>> Hello Jens,
>>>
>>> This patchset supports vectored fixed buffer for kernel bvec buffer,
>>> and use it on for ublk/stripe.
>>>
>>> Please review.
>>>
>>> Thanks,
>>> Ming
>>>
>>>
>>> Ming Lei (4):
>>>    io_uring: add validate_fixed_range() for validate fixed buffer
>>>    block: add for_each_mp_bvec()
>>>    io_uring: support vectored kernel fixed buffer
>>>    selftests: ublk: enable zero copy for stripe target
>>
>> Hello,
>>
>> Ping...
> 
> Looks fine to me and pretty straight forward, but it was in the merge
> window. Anything that makes this important for 6.15? We can still
> include it if so. If not, let's take a look for 6.16 when the merge
> window closes.

fwiw, I looked through it, looks correct, but it'd be a good
to test it aside from ublk. I guess I'll just extend a kernel
hack I used before.

No opinion on 6.15 vs 6.16, but the argument might be to have
it in the same release with ublk zc, and have less probing
for the user.

-- 
Pavel Begunkov