From: Christoph Hellwig <hch@infradead.org>
To: Chuck Lever III <chuck.lever@oracle.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Mike Snitzer <snitzer@kernel.org>,
Jeff Layton <jlayton@kernel.org>,
Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
Anna Schumaker <anna@kernel.org>,
Trond Myklebust <trondmy@hammerspace.com>,
Neil Brown <neilb@suse.de>, Dave Chinner <david@fromorbit.com>
Subject: Re: [PATCH v11 00/20] nfs/nfsd: add support for localio
Date: Fri, 5 Jul 2024 06:39:01 -0700 [thread overview]
Message-ID: <Zof3dQODVAt4R4Bu@infradead.org> (raw)
In-Reply-To: <57C1CB2B-3B46-48F3-A095-417845001C3E@oracle.com>
On Fri, Jul 05, 2024 at 01:35:18PM +0000, Chuck Lever III wrote:
> I agree: I think the requirement for NFSv3 in this situation
> needs a clear justification. Both peers are recent vintage
> Linux kernels; both peers can use NFSv4.x, there's no
> explicit need for backwards compatibility in the use cases
> that have been provided so far.
More importantly both peers are in fact the exact same Linux kernel
instance. Which is the important point here - we are doing a bypass
for a kernel talking to itself, although a kernel suffering from
multiple personality (dis)order where the different sides might
expose very different system views.
next prev parent reply other threads:[~2024-07-05 13:39 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-02 16:28 [PATCH v11 00/20] nfs/nfsd: add support for localio Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 01/20] SUNRPC: add rpcauth_map_to_svc_cred_local Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 02/20] nfs: factor out {encode,decode}_opaque_fixed to nfs_xdr.h Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 03/20] nfs_common: add NFS LOCALIO auxiliary protocol enablement Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 04/20] nfsd: add "localio" support Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 05/20] nfsd: add Kconfig options to allow localio to be enabled Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 06/20] nfsd: manage netns reference in nfsd_open_local_fh Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 07/20] nfsd: use percpu_ref to interlock nfsd_destroy_serv and nfsd_open_local_fh Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 08/20] nfsd: implement server support for NFS_LOCALIO_PROGRAM Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 09/20] SUNRPC: replace program list with program array Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 10/20] nfs: pass nfs_client to nfs_initiate_pgio Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 11/20] nfs: pass descriptor thru nfs_initiate_pgio path Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 12/20] nfs: pass struct file to nfs_init_pgio and nfs_init_commit Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 13/20] nfs: add "localio" support Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 14/20] nfs: fix nfs_localio_vfs_getattr() to properly support v4 Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 15/20] nfs: enable localio for non-pNFS I/O Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 16/20] pnfs/flexfiles: enable localio for flexfiles I/O Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 17/20] SUNRPC: remove call_allocate() BUG_ON if p_arglen=0 to allow RPC with void arg Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 18/20] nfs/localio: use dedicated workqueues for filesystem read and write Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 19/20] nfs: implement client support for NFS_LOCALIO_PROGRAM Mike Snitzer
2024-07-02 16:28 ` [PATCH v11 20/20] nfs: add Documentation/filesystems/nfs/localio.rst Mike Snitzer
2024-07-02 18:06 ` [PATCH v11 00/20] nfs/nfsd: add support for localio Chuck Lever III
2024-07-02 18:32 ` Mike Snitzer
2024-07-02 20:10 ` Chuck Lever III
2024-07-03 0:57 ` Mike Snitzer
2024-07-03 0:52 ` NeilBrown
2024-07-03 1:13 ` Mike Snitzer
2024-07-03 5:04 ` Christoph Hellwig
2024-07-03 8:52 ` Mike Snitzer
2024-07-03 14:16 ` Christoph Hellwig
2024-07-03 15:11 ` Mike Snitzer
2024-07-03 15:18 ` Christoph Hellwig
2024-07-03 15:24 ` Chuck Lever III
2024-07-03 15:29 ` Christoph Hellwig
2024-07-03 15:36 ` Mike Snitzer
2024-07-03 17:06 ` Jeff Layton
2024-07-04 6:00 ` Christoph Hellwig
2024-07-04 18:31 ` Mike Snitzer
2024-07-05 5:18 ` Christoph Hellwig
2024-07-05 13:35 ` Chuck Lever III
2024-07-05 13:39 ` Christoph Hellwig [this message]
2024-07-05 14:15 ` Mike Snitzer
2024-07-05 14:18 ` Christoph Hellwig
2024-07-05 14:36 ` Mike Snitzer
2024-07-05 14:59 ` Chuck Lever III
2024-07-06 3:58 ` Mike Snitzer
2024-07-06 5:52 ` NeilBrown
2024-07-06 13:05 ` "why NFSv3?" [was: Re: [PATCH v11 00/20] nfs/nfsd: add support for localio] Mike Snitzer
2024-07-06 5:58 ` [PATCH v11 00/20] nfs/nfsd: add support for localio Christoph Hellwig
2024-07-06 13:12 ` Mike Snitzer
2024-07-08 9:46 ` Christoph Hellwig
2024-07-08 12:55 ` Mike Snitzer
2024-07-06 16:58 ` Chuck Lever III
2024-07-07 0:42 ` Mike Snitzer
2024-07-05 18:59 ` Jeff Layton
2024-07-05 22:08 ` NeilBrown
2024-07-06 6:02 ` Christoph Hellwig
2024-07-06 6:37 ` NeilBrown
2024-07-06 6:42 ` Christoph Hellwig
2024-07-06 17:15 ` Chuck Lever III
2024-07-08 4:10 ` NeilBrown
2024-07-08 14:41 ` Chuck Lever III
2024-07-08 9:40 ` Christoph Hellwig
2024-07-08 4:03 ` NeilBrown
2024-07-08 9:37 ` Christoph Hellwig
2024-07-10 0:10 ` NeilBrown
2024-07-03 17:19 ` Chuck Lever III
2024-07-03 19:04 ` Mike Snitzer
2024-07-04 5:55 ` Christoph Hellwig
2024-07-03 21:35 ` NeilBrown
2024-07-04 6:01 ` Christoph Hellwig
2024-07-04 10:13 ` Jeff Layton
2024-07-03 15:26 ` Chuck Lever III
2024-07-03 15:37 ` Mike Snitzer
2024-07-03 15:16 ` Christoph Hellwig
2024-07-03 15:28 ` Mike Snitzer
2024-07-04 5:49 ` Christoph Hellwig
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