Re: [PATCH v4 4/8] block: introduce blk_validate_byte_range()

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To: Pavel Begunkov <asml.silence@xxxxxxxxx>
Subject: Re: [PATCH v4 4/8] block: introduce blk_validate_byte_range()
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 10 Sep 2024 00:55:01 -0700
Cc: io-uring@xxxxxxxxxxxxxxx, Jens Axboe <axboe@xxxxxxxxx>, Conrad Meyer <conradmeyer@xxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>
In-reply-to: <fa8054b786555785c7a181fbd977539342960fe4.1725621577.git.asml.silence@gmail.com>
References: <cover.1725621577.git.asml.silence@gmail.com> <fa8054b786555785c7a181fbd977539342960fe4.1725621577.git.asml.silence@gmail.com>

On Fri, Sep 06, 2024 at 11:57:21PM +0100, Pavel Begunkov wrote:
> +static int blk_validate_byte_range(struct block_device *bdev,
> +				   uint64_t start, uint64_t len)

A little comment explaining what it validates would be useful here.

References:
- [PATCH v4 0/8] implement async block discards and other ops via io_uring
  - From: Pavel Begunkov
- [PATCH v4 4/8] block: introduce blk_validate_byte_range()
  - From: Pavel Begunkov

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