Re: [PATCHv2 2/3] block: export dma_alignment attribute

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To: Keith Busch <kbusch@xxxxxx>
Subject: Re: [PATCHv2 2/3] block: export dma_alignment attribute
From: Christoph Hellwig <hch@xxxxxx>
Date: Thu, 19 May 2022 09:33:11 +0200
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, axboe@xxxxxxxxx, Kernel Team <Kernel-team@xxxxxx>, hch@xxxxxx, bvanassche@xxxxxxx, damien.lemoal@xxxxxxxxxxxxxxxxxx, Keith Busch <kbusch@xxxxxxxxxx>
In-reply-to: <20220518171131.3525293-3-kbusch@fb.com>
References: <20220518171131.3525293-1-kbusch@fb.com> <20220518171131.3525293-3-kbusch@fb.com>
User-agent: Mutt/1.5.17 (2007-11-01)

On Wed, May 18, 2022 at 10:11:30AM -0700, Keith Busch wrote:
> From: Keith Busch <kbusch@xxxxxxxxxx>
> 
> User space may want to know how to align their buffers to avoid
> bouncing. Export the queue attribute.

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCHv2 0/3] direct io alignment relax
  - From: Keith Busch
- [PATCHv2 2/3] block: export dma_alignment attribute
  - From: Keith Busch

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