Re: need SUNRPC TCP to receive into aligned pages [was: Re: [PATCH 1/6] NFSD: add the ability to enable use of RWF_DONTCACHE for all IO]

Chuck Lever
2025-06-12T15:58:41Z

On 6/12/25 11:56 AM, Mike Snitzer wrote:
> On Thu, Jun 12, 2025 at 10:17:22AM -0400, Benjamin Coddington wrote:
>>
>> What's already been mentioned elsewhere, but not yet here:
>>
>> The transmitter could always just tell the receiver where the data is, we'd
>> need an NFS v3.1 and an extension for v4.2?
>>
>> Pot Stirred,
>> Ben
>
> Yeah, forgot to mention giving serious consideration to extending
> specs to make this happen easier. Pros and cons to doing so.
>
> Thanks for raising it.
>
> Mike

NFS/RDMA does this already. Let's not re-invent the wheel.

--
Chuck Lever