From: Christoph Hellwig <hch@infradead.org>
To: LongPing Wei <weilongping@oppo.com>
Cc: dm-devel@lists.linux.dev, snitzer@redhat.com, dlemoal@kernel.org,
bvanassche@acm.org, ebiggers@google.com
Subject: Re: [PATCH] dm-crypt: set max_io_len as chunk_sectors of zoned device
Date: Sun, 24 Nov 2024 21:00:52 -0800 [thread overview]
Message-ID: <Z0QEhGYYmH6R5QRE@infradead.org> (raw)
In-Reply-To: <20241125032250.1329977-1-weilongping@oppo.com>
On Mon, Nov 25, 2024 at 11:22:51AM +0800, LongPing Wei wrote:
> When dm level submit a bio with bi_size > max_sectors_kb of lower device,
> blk_mq_submit_bio will split it into several ones with limited bi_size.
> It may be a potential unordered issue as it breaks the ZWL design in dm
> on 6.6.
What is ZWL? And why mention 6.6? And why do you care about ordering?
There is no real ordering requirement in the block layer.
next prev parent reply other threads:[~2024-11-25 5:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-25 3:22 [PATCH] dm-crypt: set max_io_len as chunk_sectors of zoned device LongPing Wei
2024-11-25 5:00 ` Christoph Hellwig [this message]
2024-11-25 6:02 ` Damien Le Moal
-- strict thread matches above, loose matches on Subject: below --
2024-11-25 5:58 韦龙平(Groot)
2024-11-25 6:01 ` Christoph Hellwig
2024-11-25 6:07 ` Damien Le Moal
2024-11-25 6:11 ` Christoph Hellwig
2024-11-25 7:49 ` LongPing Wei
2024-11-25 7:43 ` LongPing Wei
2024-11-25 6:03 ` Damien Le Moal
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