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From: "hch@lst.de" <hch@lst.de>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Chaitanya Kulkarni <chaitanyak@nvidia.com>,
	Keith Busch <kbusch@kernel.org>, Keith Busch <kbusch@fb.com>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	Kernel Team <Kernel-team@fb.com>, "hch@lst.de" <hch@lst.de>,
	"bvanassche@acm.org" <bvanassche@acm.org>,
	"damien.lemoal@opensource.wdc.com"
	<damien.lemoal@opensource.wdc.com>
Subject: Re: [PATCHv2 0/3] direct io alignment relax
Date: Thu, 19 May 2022 09:43:14 +0200	[thread overview]
Message-ID: <20220519074314.GI22301@lst.de> (raw)
In-Reply-To: <YoWlQxEjvlmACNRV@sol.localdomain>

On Wed, May 18, 2022 at 07:02:43PM -0700, Eric Biggers wrote:
> If you're thinking about about BLKDISCARD and BLKZEROOUT, those are block device
> ioctls, so statx() doesn't seem like a great fit for them.  There is already a
> place to expose block device properties to userspace (/sys/block/$dev/).  Direct
> I/O is different because direct I/O is not just a feature of block devices but
> also of regular files, and it is affected by filesystem-level constraints.

Agreed.

      reply	other threads:[~2022-05-19  7:43 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
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 [this message]

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