From: Keith Busch <kbusch@kernel.org>
To: Hans Holmberg <Hans.Holmberg@wdc.com>
Cc: Jens Axboe <axboe@kernel.dk>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Damien Le Moal <dlemoal@kernel.org>,
Johannes Thumshirn <Johannes.Thumshirn@wdc.com>, hch <hch@lst.de>,
Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>,
Andreas Hindborg <a.hindborg@kernel.org>
Subject: Re: [PATCH] null_blk: set dma alignment to logical block size
Date: Wed, 29 Oct 2025 10:15:54 -0600 [thread overview]
Message-ID: <aQI9uiTuEr8hbWbC@kbusch-mbp> (raw)
In-Reply-To: <aQI7hyET6f-nXnmp@kbusch-mbp>
On Wed, Oct 29, 2025 at 10:06:31AM -0600, Keith Busch wrote:
>
> After this, you can set dma_alignment to 1.
Oh wait, no, it still can't be smaller than 511 because everything
operates on "SECTOR_SIZE". Which also seems like it shouldn't be
necessary...
Sorry, let's just do your patch. That seems the safest thing for now,
and I can mess with dma alignment limits for a follow up (I'm already
doing something similiar for generic protection information).
Reviewed-by: Keith Busch <kbusch@kernel.org>
next prev parent reply other threads:[~2025-10-29 16:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-29 13:39 [PATCH] null_blk: set dma alignment to logical block size Hans Holmberg
2025-10-29 13:51 ` Christoph Hellwig
2025-10-29 13:51 ` Christoph Hellwig
2025-10-29 14:12 ` Keith Busch
2025-10-29 15:32 ` Hans Holmberg
2025-10-29 16:01 ` Hans Holmberg
2025-10-29 16:06 ` Keith Busch
2025-10-29 16:15 ` Keith Busch [this message]
2025-10-30 12:32 ` Hans Holmberg
2025-10-31 9:00 ` Christoph Hellwig
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