From: Leon Romanovsky <leon@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Chuck Lever <cel@kernel.org>, Jason Gunthorpe <jgg@nvidia.com>,
linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org,
NeilBrown <neilb@ownmail.net>, Jeff Layton <jlayton@kernel.org>,
Olga Kornievskaia <okorniev@redhat.com>,
Dai Ngo <dai.ngo@oracle.com>, Tom Talpey <tom@talpey.com>,
Chuck Lever <chuck.lever@oracle.com>
Subject: Re: [PATCH v1 1/4] RDMA/core: add bio_vec based RDMA read/write API
Date: Mon, 19 Jan 2026 12:28:57 +0200 [thread overview]
Message-ID: <20260119102857.GI13201@unreal> (raw)
In-Reply-To: <20260119065212.GA1423@lst.de>
On Mon, Jan 19, 2026 at 07:52:12AM +0100, Christoph Hellwig wrote:
> On Fri, Jan 16, 2026 at 04:49:06PM -0500, Chuck Lever wrote:
> > >> Hmm, if we need to split/adjust bvecs, it might be better to
> > >> pass a bvec_iter and let the iter handle the iteration?
> > >
> > > It would also be worthwhile to support P2P scenarios in this flow.
> >
> > I can add some code to this series to do that, but I don't believe
> > I have facilities to test it.
>
> Please don't add untested code. If Leon wants the P2P support and
> volunteers to test it, sure.
I can do it with the help of how to setup the system.
> But let's not merge it without being tested. And at least for NFS I don't
> really see how P2P would easily fit in anyway.
Chuck is proposing a new IB/core API that will also be used by NVMe too.
Wouldn't p2p be useful in the general case
Thanks
>
>
next prev parent reply other threads:[~2026-01-19 10:29 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-14 14:39 [PATCH v1 0/4] Add a bio_vec based API to core/rw.c Chuck Lever
2026-01-14 14:39 ` [PATCH v1 1/4] RDMA/core: add bio_vec based RDMA read/write API Chuck Lever
2026-01-15 15:53 ` Christoph Hellwig
2026-01-16 11:33 ` Leon Romanovsky
2026-01-16 14:52 ` Christoph Hellwig
2026-01-16 14:57 ` Chuck Lever
2026-01-16 21:14 ` Leon Romanovsky
2026-01-16 21:24 ` Leon Romanovsky
2026-01-16 21:49 ` Chuck Lever
2026-01-17 16:20 ` Leon Romanovsky
2026-01-19 6:52 ` Christoph Hellwig
2026-01-19 10:28 ` Leon Romanovsky [this message]
2026-01-19 12:03 ` Christoph Hellwig
2026-01-19 14:37 ` Chuck Lever
2026-01-19 18:34 ` Leon Romanovsky
2026-01-14 14:39 ` [PATCH v1 2/4] RDMA/core: use IOVA-based DMA mapping for bvec RDMA operations Chuck Lever
2026-01-15 15:58 ` Christoph Hellwig
2026-01-14 14:39 ` [PATCH v1 3/4] RDMA/core: add MR support for bvec-based " Chuck Lever
2026-01-15 15:58 ` Christoph Hellwig
2026-01-16 11:42 ` Leon Romanovsky
2026-01-16 14:50 ` Christoph Hellwig
2026-01-16 21:16 ` Leon Romanovsky
2026-01-14 14:39 ` [PATCH v1 4/4] svcrdma: use bvec-based RDMA read/write API Chuck Lever
2026-01-15 9:51 ` Leon Romanovsky
2026-01-15 16:29 ` Christoph Hellwig
2026-01-15 18:29 ` Chuck Lever
2026-01-15 21:53 ` Chuck Lever
2026-01-16 9:38 ` Christoph Hellwig
2026-01-15 9:50 ` [PATCH v1 0/4] Add a bio_vec based API to core/rw.c Leon Romanovsky
2026-01-15 15:46 ` Christoph Hellwig
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