Re: [PATCH 3/3] block/mq-deadline: Disable I/O prioritization in certain cases

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 3/3] block/mq-deadline: Disable I/O prioritization in certain cases
From: Bart Van Assche <bvanassche@xxxxxxx>
Date: Mon, 11 Dec 2023 09:20:00 -0800
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Jaegeuk Kim <jaegeuk@xxxxxxxxxx>, Damien Le Moal <dlemoal@xxxxxxxxxx>
In-reply-to: <20231211165720.GC26039@lst.de>
References: <20231205053213.522772-1-bvanassche@acm.org> <20231205053213.522772-4-bvanassche@acm.org> <20231211165720.GC26039@lst.de>
User-agent: Mozilla Thunderbird


On 12/11/23 08:57, Christoph Hellwig wrote:

Or do you mean your f2fs hacks where you assume there is some order
kept?


Hi Christoph,

It seems like there is a misunderstanding. The issue addressed by this
patch series is not F2FS-specific. The issue addressed by this patch
series can be encountered by any software that submits REQ_OP_WRITE
operations.

Bart.

Follow-Ups:
- Re: [PATCH 3/3] block/mq-deadline: Disable I/O prioritization in certain cases
  - From: Christoph Hellwig

References:
- [PATCH 0/3] Improve mq-deadline I/O priority support
  - From: Bart Van Assche
- [PATCH 3/3] block/mq-deadline: Disable I/O prioritization in certain cases
  - From: Bart Van Assche
- Re: [PATCH 3/3] block/mq-deadline: Disable I/O prioritization in certain cases
  - From: Christoph Hellwig

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