From: Keith Busch <kbusch@kernel.org>
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
Subject: Re: [PATCHv3 7/7] nvme: convert metadata mapping to dma iter
Date: Tue, 29 Jul 2025 12:56:53 -0600 [thread overview]
Message-ID: <aIkZdfFOKLtet-Kg@kbusch-mbp> (raw)
In-Reply-To: <20250729143442.2586575-8-kbusch@meta.com>
On Tue, Jul 29, 2025 at 07:34:42AM -0700, Keith Busch wrote:
> +static blk_status_t nvme_map_metadata(struct request *req)
> {
...
> + nvme_pci_sgl_set_seg(sg_list, sgl_dma, i);
This needs an error check and unmap if so, just like data prp/sgl setup:
if (unlikely(iter->status))
nvme_unmap_metadata(req);
> + return iter.status;
> }
prev parent reply other threads:[~2025-07-29 18:56 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-29 14:34 [PATCHv3 0/7] blk dma iter for integrity metadata Keith Busch
2025-07-29 14:34 ` [PATCHv3 1/7] blk-mq: introduce blk_map_iter Keith Busch
2025-07-30 6:52 ` Kanchan Joshi
2025-07-30 8:18 ` Kanchan Joshi
2025-07-30 15:18 ` Keith Busch
2025-07-31 5:05 ` Kanchan Joshi
2025-07-29 14:34 ` [PATCHv3 2/7] blk-mq-dma: provide the bio_vec list being iterated Keith Busch
2025-07-29 20:55 ` Keith Busch
2025-07-30 12:15 ` Kanchan Joshi
2025-07-30 14:18 ` Keith Busch
2025-07-29 14:34 ` [PATCHv3 3/7] blk-mq-dma: require unmap caller provide p2p map type Keith Busch
2025-07-29 14:34 ` [PATCHv3 4/7] blk-mq: remove REQ_P2PDMA flag Keith Busch
2025-07-29 14:34 ` [PATCHv3 5/7] blk-mq-dma: move common dma start code to a helper Keith Busch
2025-07-29 14:34 ` [PATCHv3 6/7] blk-mq-dma: add support for mapping integrity metadata Keith Busch
2025-07-29 14:34 ` [PATCHv3 7/7] nvme: convert metadata mapping to dma iter Keith Busch
2025-07-29 18:56 ` Keith Busch [this message]
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