From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Cc: Eric Biggers <ebiggers@kernel.org>, Keith Busch <kbusch@fb.com>,
linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
axboe@kernel.dk, Kernel Team <Kernel-team@fb.com>,
hch@lst.de, bvanassche@acm.org, damien.lemoal@opensource.wdc.com
Subject: Re: [PATCHv2 3/3] block: relax direct io memory alignment
Date: Thu, 19 May 2022 09:39:12 +0200 [thread overview]
Message-ID: <20220519073912.GF22301@lst.de> (raw)
In-Reply-To: <YoWWtwsiKGqoTbVU@kbusch-mbp.dhcp.thefacebook.com>
On Wed, May 18, 2022 at 07:00:39PM -0600, Keith Busch wrote:
> How? This patch ensures every segment is block size aligned. We can always
> split a bio in the middle of a bvec for any lower level hardware constraints,
> and I'm not finding any splitting criteria that would try to break a bio on a
> non-block aligned boundary.
Do you mean bio_vec with segment here? How do we ensure that?
next prev parent reply other threads:[~2022-05-19 7:39 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-18 17:11 [PATCHv2 0/3] direct io alignment relax Keith Busch
2022-05-18 17:11 ` [PATCHv2 1/3] block/bio: remove duplicate append pages code Keith Busch
2022-05-18 20:21 ` Chaitanya Kulkarni
2022-05-19 4:28 ` Bart Van Assche
2022-05-19 7:32 ` Christoph Hellwig
2022-05-19 14:19 ` Keith Busch
2022-05-18 17:11 ` [PATCHv2 2/3] block: export dma_alignment attribute Keith Busch
2022-05-18 20:22 ` Chaitanya Kulkarni
2022-05-19 4:30 ` Bart Van Assche
2022-05-19 7:33 ` Christoph Hellwig
2022-05-18 17:11 ` [PATCHv2 3/3] block: relax direct io memory alignment Keith Busch
2022-05-19 0:14 ` Eric Biggers
2022-05-19 1:00 ` Keith Busch
2022-05-19 1:53 ` Eric Biggers
2022-05-19 1:59 ` Keith Busch
2022-05-19 2:08 ` Eric Biggers
2022-05-19 2:25 ` Keith Busch
2022-05-19 3:27 ` Eric Biggers
2022-05-19 4:40 ` Bart Van Assche
2022-05-19 4:56 ` Keith Busch
2022-05-19 6:45 ` Damien Le Moal
2022-05-19 17:19 ` Eric Biggers
2022-05-20 3:41 ` Damien Le Moal
2022-05-19 7:41 ` Christoph Hellwig
2022-05-19 16:35 ` Keith Busch
2022-05-20 6:07 ` Christoph Hellwig
2022-05-19 17:01 ` Keith Busch
2022-05-19 17:27 ` Eric Biggers
2022-05-19 17:43 ` Keith Busch
2022-05-19 7:39 ` Christoph Hellwig [this message]
2022-05-19 22:31 ` Keith Busch
2022-05-19 7:38 ` Christoph Hellwig
2022-05-19 14:08 ` Keith Busch
2022-05-20 6:10 ` Christoph Hellwig
2022-05-18 22:45 ` [PATCHv2 0/3] direct io alignment relax Jens Axboe
2022-05-19 7:42 ` Christoph Hellwig
2022-05-19 12:46 ` Jens Axboe
2022-05-18 23:26 ` Eric Biggers
2022-05-19 0:51 ` Keith Busch
2022-05-19 1:02 ` Chaitanya Kulkarni
2022-05-19 2:02 ` Eric Biggers
2022-05-19 7:43 ` hch
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