From: Leon Romanovsky <leon@kernel.org>
To: Christoph Hellwig <hch@lst.de>, Jason Gunthorpe <jgg@ziepe.ca>,
Chuck Lever <chuck.lever@oracle.com>
Cc: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org,
Chuck Lever <chuck.lever@oracle.com>
Subject: Re: [PATCH v5 0/5] Add a bio_vec based API to core/rw.c
Date: Wed, 28 Jan 2026 07:18:59 -0500 [thread overview]
Message-ID: <176960273949.35487.9902637864188191212.b4-ty@kernel.org> (raw)
In-Reply-To: <20260128005400.25147-1-cel@kernel.org>
On Tue, 27 Jan 2026 19:53:55 -0500, Chuck Lever wrote:
> From: Chuck Lever <chuck.lever@oracle.com>
>
> This series introduces a bio_vec based API for RDMA read and write
> operations in the RDMA core, eliminating unnecessary scatterlist
> conversions for callers that already work with bvecs.
>
> Current users of rdma_rw_ctx_init() must convert their native data
> structures into scatterlists. For subsystems like svcrdma that
> maintain data in bvec format, this conversion adds overhead both in
> CPU cycles and memory footprint. The new API accepts bvec arrays
> directly.
>
> [...]
Applied, thanks!
[1/5] RDMA/core: add bio_vec based RDMA read/write API
https://git.kernel.org/rdma/rdma/c/5e541553588d49
[2/5] RDMA/core: use IOVA-based DMA mapping for bvec RDMA operations
https://git.kernel.org/rdma/rdma/c/853e892076ba56
[3/5] RDMA/core: add MR support for bvec-based RDMA operations
https://git.kernel.org/rdma/rdma/c/bea28ac14cab25
[4/5] RDMA/core: add rdma_rw_max_sge() helper for SQ sizing
https://git.kernel.org/rdma/rdma/c/afcae7d7b8a278
[5/5] svcrdma: use bvec-based RDMA read/write API
https://git.kernel.org/rdma/rdma/c/5ee62b4a911375
Best regards,
--
Leon Romanovsky <leon@kernel.org>
prev parent reply other threads:[~2026-01-28 12:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 0:53 [PATCH v5 0/5] Add a bio_vec based API to core/rw.c Chuck Lever
2026-01-28 0:53 ` [PATCH v5 1/5] RDMA/core: add bio_vec based RDMA read/write API Chuck Lever
2026-01-28 0:53 ` [PATCH v5 2/5] RDMA/core: use IOVA-based DMA mapping for bvec RDMA operations Chuck Lever
2026-01-28 0:53 ` [PATCH v5 3/5] RDMA/core: add MR support for bvec-based " Chuck Lever
2026-01-28 3:36 ` Christoph Hellwig
2026-01-28 0:53 ` [PATCH v5 4/5] RDMA/core: add rdma_rw_max_sge() helper for SQ sizing Chuck Lever
2026-01-28 0:54 ` [PATCH v5 5/5] svcrdma: use bvec-based RDMA read/write API Chuck Lever
2026-01-28 3:36 ` Christoph Hellwig
2026-01-28 12:18 ` Leon Romanovsky [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=176960273949.35487.9902637864188191212.b4-ty@kernel.org \
--to=leon@kernel.org \
--cc=chuck.lever@oracle.com \
--cc=hch@lst.de \
--cc=jgg@ziepe.ca \
--cc=linux-nfs@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox