linux-kernel - Re: [PATCH v2 1/2] nvme-pci: migrate to dma_map_phys instead of map

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Message-ID: <20251022061418.GC4317@lst.de>
Date: Wed, 22 Oct 2025 08:14:18 +0200
From: Christoph Hellwig <hch@....de>
To: Leon Romanovsky <leon@...nel.org>
Cc: Jens Axboe <axboe@...nel.dk>, Keith Busch <kbusch@...nel.org>,
	Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>,
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-nvme@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] nvme-pci: migrate to dma_map_phys instead of
 map_page

This actually has block and nvme bits, so the subject line should
say that.

> +	unsigned int attrs = 0;

attrs is always zero here, no need to start passing it for the
map_phys conversion alone.

> +	unsigned int attrs = 0;

Same here.

> +	unsigned int			attrs;

And this is also entirely unused as far as I can tell.