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From: Changheun Lee <nanich.lee@samsung.com>
To: bvanassche@acm.org
Cc: Johannes.Thumshirn@wdc.com, asml.silence@gmail.com,
	axboe@kernel.dk, damien.lemoal@wdc.com,
	gregkh@linuxfoundation.org, hch@infradead.org,
	jisoo2146.oh@samsung.com, junho89.kim@samsung.com,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	ming.lei@redhat.com, mj0123.lee@samsung.com,
	nanich.lee@samsung.com, osandov@fb.com, patchwork-bot@kernel.org,
	seunghwan.hyun@samsung.com, sookwan7.kim@samsung.com,
	tj@kernel.org, tom.leiming@gmail.com, woosung2.lee@samsung.com,
	yt0928.kim@samsung.com
Subject: Re: [PATCH v8] bio: limit bio max size
Date: Thu, 22 Apr 2021 08:51:24 +0900	[thread overview]
Message-ID: <20210421235124.31579-1-nanich.lee@samsung.com> (raw)
In-Reply-To: <55adfb07-7f10-7ad6-e05d-7aeb7d9c3b29@acm.org>

> On 4/21/21 2:47 AM, Changheun Lee wrote:
> > bio size can grow up to 4GB when muli-page bvec is enabled.
> > but sometimes it would lead to inefficient behaviors.
> > in case of large chunk direct I/O, - 32MB chunk read in user space -
> 
> This patch looks good to me, hence:
> 
> Reviewed-by: Bart Van Assche <bvanassche@acm.org>
> 
> Do you plan to submit a dm-crypt patch that limits the bio size when 
> using dm-crypt to the bio size of the underling device?
> 
> Thanks,
> 
> Bart.

Yes, I'm preparing a dm-crypt patch. I'll upstream after applying of this.
Thank you for your review, and advice. :)

Thanks,

Changheun Lee.

  parent reply	other threads:[~2021-04-22  0:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20210421100544epcas1p13c2c86e84102f0955dd591f72e45756a@epcas1p1.samsung.com>
2021-04-21  9:47 ` [PATCH v8] bio: limit bio max size Changheun Lee
2021-04-21 16:29   ` Bart Van Assche
     [not found]     ` <CGME20210422000922epcas1p4bb2d0220652f3c497f063719f82bc829@epcas1p4.samsung.com>
2021-04-21 23:51       ` Changheun Lee [this message]
2021-04-22 20:33   ` Bart Van Assche
2021-04-23 11:36   ` Damien Le Moal
2021-04-23 14:38   ` Jens Axboe
2021-04-25  2:20   ` [bio] 803f54ef52: BUG:kernel_NULL_pointer_dereference,address kernel test robot
2021-04-25  2:20     ` kernel test robot
2021-04-26 13:18   ` [PATCH v8] bio: limit bio max size Marek Szyprowski
2021-04-26 20:09     ` Jon Hunter

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