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From: Mike Snitzer <snitzer@kernel.org>
To: Benjamin Coddington <bcodding@redhat.com>
Cc: Chuck Lever <chuck.lever@oracle.com>,
	Jeff Layton <jlayton@kernel.org>,
	linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Jens Axboe <axboe@kernel.dk>
Subject: 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]
Date: Thu, 12 Jun 2025 11:56:28 -0400	[thread overview]
Message-ID: <aEr4rAbQiT1yGMsI@kernel.org> (raw)
In-Reply-To: <5D9EA89B-A65F-40A1-B78F-547A42734FC2@redhat.com>

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

  reply	other threads:[~2025-06-12 15:56 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-10 20:57 [PATCH 0/6] NFSD: add enable-dontcache and initially use it to add DIO support Mike Snitzer
2025-06-10 20:57 ` [PATCH 1/6] NFSD: add the ability to enable use of RWF_DONTCACHE for all IO Mike Snitzer
2025-06-11  6:57   ` Christoph Hellwig
2025-06-11 10:44     ` Mike Snitzer
2025-06-11 13:04       ` Jeff Layton
2025-06-11 13:56     ` Chuck Lever
2025-06-11 14:31   ` Chuck Lever
2025-06-11 19:18     ` Mike Snitzer
2025-06-11 20:29       ` Jeff Layton
2025-06-11 21:36         ` 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] Mike Snitzer
2025-06-12 10:28           ` Jeff Layton
2025-06-12 11:28             ` Jeff Layton
2025-06-12 13:28             ` Chuck Lever
2025-06-12 14:17               ` Benjamin Coddington
2025-06-12 15:56                 ` Mike Snitzer [this message]
2025-06-12 15:58                   ` Chuck Lever
2025-06-12 16:12                     ` Mike Snitzer
2025-06-12 16:32                       ` Chuck Lever
2025-06-13  5:39                     ` Christoph Hellwig
2025-06-12 16:22               ` Jeff Layton
2025-06-13  5:46                 ` Christoph Hellwig
2025-06-13  9:23                   ` Mike Snitzer
2025-06-13 13:02                     ` Jeff Layton
2025-06-16 12:35                       ` Christoph Hellwig
2025-06-16 12:29                     ` Christoph Hellwig
2025-06-16 16:07                       ` Mike Snitzer
2025-06-17  4:37                         ` Christoph Hellwig
2025-06-17 20:26                           ` Mike Snitzer
2025-06-17 22:23                             ` [RFC PATCH] lib/iov_iter: remove piecewise bvec length checking in iov_iter_aligned_bvec [was: Re: need SUNRPC TCP to receive into aligned pages] Mike Snitzer
2025-07-03  0:12             ` 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] NeilBrown
2025-06-12  7:13         ` [PATCH 1/6] NFSD: add the ability to enable use of RWF_DONTCACHE for all IO Christoph Hellwig
2025-06-12 13:15           ` Chuck Lever
2025-06-12 13:21       ` Chuck Lever
2025-06-12 16:00         ` Mike Snitzer
2025-06-16 13:32           ` Chuck Lever
2025-06-16 16:10             ` Mike Snitzer
2025-06-17 17:22               ` Mike Snitzer
2025-06-17 17:31                 ` Chuck Lever
2025-06-19 20:19                   ` Mike Snitzer
2025-06-30 14:50                     ` Chuck Lever
2025-07-04 19:46                       ` Mike Snitzer
2025-07-04 19:49                         ` Chuck Lever
2025-06-10 20:57 ` [PATCH 2/6] NFSD: filecache: add STATX_DIOALIGN and STATX_DIO_READ_ALIGN support Mike Snitzer
2025-06-10 20:57 ` [PATCH 3/6] NFSD: pass nfsd_file to nfsd_iter_read() Mike Snitzer
2025-06-10 20:57 ` [PATCH 4/6] fs: introduce RWF_DIRECT to allow using O_DIRECT on a per-IO basis Mike Snitzer
2025-06-11  6:58   ` Christoph Hellwig
2025-06-11 10:51     ` Mike Snitzer
2025-06-11 14:17     ` Chuck Lever
2025-06-12  7:15       ` Christoph Hellwig
2025-06-10 20:57 ` [PATCH 5/6] NFSD: leverage DIO alignment to selectively issue O_DIRECT reads and writes Mike Snitzer
2025-06-11  7:00   ` Christoph Hellwig
2025-06-11 12:23     ` Mike Snitzer
2025-06-11 13:30       ` Jeff Layton
2025-06-12  7:22         ` Christoph Hellwig
2025-06-12  7:23       ` Christoph Hellwig
2025-06-11 14:42   ` Chuck Lever
2025-06-11 15:07     ` Jeff Layton
2025-06-11 15:11       ` Chuck Lever
2025-06-11 15:44         ` Jeff Layton
2025-06-11 20:51           ` Mike Snitzer
2025-06-12  7:32           ` Christoph Hellwig
2025-06-12  7:28         ` Christoph Hellwig
2025-06-12  7:25       ` Christoph Hellwig
2025-06-10 20:57 ` [PATCH 6/6] NFSD: issue READs using O_DIRECT even if IO is misaligned Mike Snitzer
2025-06-11 12:55 ` [PATCH 0/6] NFSD: add enable-dontcache and initially use it to add DIO support Jeff Layton
2025-06-12  7:39   ` Christoph Hellwig
2025-06-12 20:37     ` Mike Snitzer
2025-06-13  5:31       ` Christoph Hellwig
2025-06-11 14:16 ` Chuck Lever
2025-06-11 18:02   ` Mike Snitzer
2025-06-11 19:06     ` Chuck Lever
2025-06-11 19:58       ` Mike Snitzer
2025-06-12 13:46 ` Chuck Lever
2025-06-12 19:08   ` Mike Snitzer
2025-06-12 20:17     ` Chuck Lever

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