From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@meta.com>
Cc: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org,
hch@lst.de, axboe@kernel.dk, leonro@nvidia.com,
Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCHv2 2/7] blk-mq-dma: set the bvec being iterated
Date: Mon, 21 Jul 2025 09:38:36 +0200 [thread overview]
Message-ID: <20250721073836.GB32034@lst.de> (raw)
In-Reply-To: <20250720184040.2402790-3-kbusch@meta.com>
On Sun, Jul 20, 2025 at 11:40:35AM -0700, Keith Busch wrote:
> From: Keith Busch <kbusch@kernel.org>
>
> This will make it easier to add different bvec sources, like for
> upcoming integrity support. It also makes iterating "special" payloads
> more common with iterating normal data bi_io_vecs.
You're not really setting the bvec, but the bvec table, i.e. the start
of the contiguous chunk of bvecs for the bio / bip. Can you make this
a bit more clear both in the commit message and the structure member
naming? This really confused me and took a bit of careful reading
to understand.
Otherwise this looks fine.
next prev parent reply other threads:[~2025-07-21 7:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-20 18:40 [PATCHv2 0/7] blk dma iter for metadata Keith Busch
2025-07-20 18:40 ` [PATCHv2 1/7] blk-mq-dma: move the bio and bvec_iter to blk_dma_iter Keith Busch
2025-07-21 7:37 ` Christoph Hellwig
2025-07-21 7:42 ` Christoph Hellwig
2025-07-22 2:33 ` Keith Busch
2025-07-22 5:53 ` Christoph Hellwig
2025-07-20 18:40 ` [PATCHv2 2/7] blk-mq-dma: set the bvec being iterated Keith Busch
2025-07-21 7:38 ` Christoph Hellwig [this message]
2025-07-20 18:40 ` [PATCHv2 3/7] blk-mq-dma: require unmap caller provide p2p map type Keith Busch
2025-07-21 7:39 ` Christoph Hellwig
2025-07-20 18:40 ` [PATCHv2 4/7] blk-mq: remove REQ_P2PDMA flag Keith Busch
2025-07-21 7:39 ` Christoph Hellwig
2025-07-20 18:40 ` [PATCHv2 5/7] blk-mq-dma: move common dma start code to a helper Keith Busch
2025-07-21 7:40 ` Christoph Hellwig
2025-07-20 18:40 ` [PATCHv2 6/7] blk-mq-dma: add support for mapping integrity metadata Keith Busch
2025-07-20 22:51 ` kernel test robot
2025-07-21 3:18 ` kernel test robot
2025-07-21 7:46 ` Christoph Hellwig
2025-07-20 18:40 ` [PATCHv2 7/7] nvme: convert metadata mapping to dma iter Keith Busch
2025-07-21 7:50 ` Christoph Hellwig
2025-07-21 13:15 ` Keith Busch
2025-07-22 5:49 ` Christoph Hellwig
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