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From: Damien Le Moal <damien.lemoal@opensource.wdc.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>,
	Bart Van Assche <bvanassche@acm.org>,
	Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, Jaegeuk Kim <jaegeuk@kernel.org>,
	Jan Kara <jack@suse.cz>,
	Johannes Thumshirn <johannes.thumshirn@wdc.com>
Subject: Re: [PATCH 2/2] block: Split and submit bios in LBA order
Date: Tue, 21 Mar 2023 18:50:49 +0900	[thread overview]
Message-ID: <07a40b66-6785-ecb9-90ba-fb502e78639e@opensource.wdc.com> (raw)
In-Reply-To: <20230321090908.GA27216@lst.de>

On 3/21/23 18:09, Christoph Hellwig wrote:
> On Tue, Mar 21, 2023 at 05:51:29PM +0900, Damien Le Moal wrote:
>> Interesting. We have never seen such issue in practice with the device mappers
>> that support zoned devices. But it seems interesting to try to find a use case
>> that could trigger this. Will look into it, and if everything is fixed, it would
>> still be a good regression test for blocktest.
> 
> I think it requires a non-zoneappend bio that is large enough to
> require splitting and which goes through a remapper.

dm-crypt and dm-linear could be targets potentially affected. Will have a try.

-- 
Damien Le Moal
Western Digital Research


  reply	other threads:[~2023-03-21  9:51 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-17 19:59 [PATCH 0/2] Submit split bios in LBA order Bart Van Assche
2023-03-17 19:59 ` [PATCH 1/2] block: Split blk_recalc_rq_segments() Bart Van Assche
2023-03-18  6:38   ` Christoph Hellwig
2023-03-17 19:59 ` [PATCH 2/2] block: Split and submit bios in LBA order Bart Van Assche
2023-03-17 22:28   ` Jan Kara
2023-03-18  6:33     ` Christoph Hellwig
2023-03-17 23:38   ` Ming Lei
2023-03-17 23:45     ` Bart Van Assche
2023-03-20 23:28       ` Ming Lei
2023-03-20 23:32         ` Bart Van Assche
2023-03-21  0:44           ` Ming Lei
2023-03-21  1:46             ` Damien Le Moal
2023-03-21  2:17               ` Ming Lei
2023-03-21  3:24                 ` Damien Le Moal
2023-03-21  8:00                   ` Ming Lei
2023-03-21  8:51                     ` Damien Le Moal
2023-03-21  9:09                       ` Christoph Hellwig
2023-03-21  9:50                         ` Damien Le Moal [this message]
2023-03-21  5:55           ` Christoph Hellwig
2023-03-21 14:36             ` Bart Van Assche
2023-03-23  8:26               ` Christoph Hellwig
2023-03-23 10:28                 ` Damien Le Moal
2023-03-23 16:27                   ` Bart Van Assche
2023-03-23 22:53                     ` Damien Le Moal
2023-03-24 16:55                       ` Bart Van Assche
2023-03-25  2:00                         ` Damien Le Moal
2023-03-25 16:31                           ` Bart Van Assche
2023-03-26  1:45                             ` Damien Le Moal
2023-03-26 23:45                               ` Christoph Hellwig
2023-03-27 21:06                                 ` Bart Van Assche
2023-03-27 23:43                                   ` Christoph Hellwig
2023-04-06 20:30                                     ` Bart Van Assche
2023-03-27 21:20                               ` Bart Van Assche
2023-03-18  6:42   ` Christoph Hellwig
2023-03-18  6:29 ` [PATCH 0/2] Submit split " Christoph Hellwig
2023-03-20 17:22   ` Bart Van Assche
2023-03-20 21:06     ` Khazhy Kumykov
2023-03-23  8:27     ` Christoph Hellwig
2023-03-24 17:05       ` Bart Van Assche
2023-03-25  2:15         ` Damien Le Moal
2023-03-26 23:42           ` Christoph Hellwig
2023-03-26 23:44         ` Christoph Hellwig
2023-04-06 20:32           ` Bart Van Assche

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