Re: [PATCH 4/7] dm-verity: provide dma_alignment limit in io_hints

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Subject: Re: [PATCH 4/7] dm-verity: provide dma_alignment limit in io_hints
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 2 Jul 2024 00:16:51 -0700
Cc: dm-devel@xxxxxxxxxxxxxxx, Alasdair Kergon <agk@xxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, Mikulas Patocka <mpatocka@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Ard Biesheuvel <ardb@xxxxxxxxxx>, Sami Tolvanen <samitolvanen@xxxxxxxxxx>, Bart Van Assche <bvanassche@xxxxxxx>
In-reply-to: <20240702064835.120541-5-ebiggers@kernel.org>
References: <20240702064835.120541-1-ebiggers@kernel.org> <20240702064835.120541-5-ebiggers@kernel.org>

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

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

References:
- [PATCH 0/7] dm-verity cleanups and optimizations
  - From: Eric Biggers
- [PATCH 4/7] dm-verity: provide dma_alignment limit in io_hints
  - From: Eric Biggers

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