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Date: Wed, 13 Aug 2025 15:52:44 -0600
From: Keith Busch <kbusch@kernel.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Keith Busch <kbusch@meta.com>, linux-block@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	snitzer@kernel.org, axboe@kernel.dk, dw@davidwei.uk,
	brauner@kernel.org, Hannes Reinecke <hare@suse.de>
Subject: Re: [PATCHv2 1/7] block: check for valid bio while splitting
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On Wed, Aug 13, 2025 at 05:23:47PM -0400, Martin K. Petersen wrote:
> dma_alignment defines the alignment of the DMA starting address. We
> don't have a dedicated queue limit for the transfer length granularity
> described by NVMe.

Darn, but thanks for confirming. I'll see if I can get by without
needing a new limit, or look into adding one if not. Worst case, I can
also let the device return the error, though I think we prefer not to
send an IO that we know should fail.