linux-kernel - Re: [PATCH 4/7] dm-verity: provide dma_alignment limit in io

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Message-ID: <ZoOpYxX-7_HD9zXH@infradead.org>
Date: Tue, 2 Jul 2024 00:16:51 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Eric Biggers <ebiggers@...nel.org>
Cc: dm-devel@...ts.linux.dev, Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...nel.org>,
	Mikulas Patocka <mpatocka@...hat.com>, linux-kernel@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Bart Van Assche <bvanassche@....org>
Subject: Re: [PATCH 4/7] dm-verity: provide dma_alignment limit in io_hints

> +
> +	limits->dma_alignment = limits->logical_block_size - 1;

Please add a comment here to explain the limit based on the commit log
text.