Re: [PATCH for-6.18/block 07/16] md/raid0: convert raid0_handle_discard() to use bio_submit_split_bioset()

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To: Bart Van Assche <bvanassche@xxxxxxx>, Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>, hch@xxxxxxxxxxxxx, colyli@xxxxxxxxxx, hare@xxxxxxx, tieren@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, axboe@xxxxxxxxx, tj@xxxxxxxxxx, josef@xxxxxxxxxxxxxx, song@xxxxxxxxxx, yukuai3@xxxxxxxxxx, satyat@xxxxxxxxxx, ebiggers@xxxxxxxxxx, kmo@xxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, neil@xxxxxxxxxx
Subject: Re: [PATCH for-6.18/block 07/16] md/raid0: convert raid0_handle_discard() to use bio_submit_split_bioset()
From: Damien Le Moal <dlemoal@xxxxxxxxxx>
Date: Sat, 6 Sep 2025 09:38:26 +0900
Cc: linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, yi.zhang@xxxxxxxxxx, yangerkun@xxxxxxxxxx, johnny.chenyi@xxxxxxxxxx
In-reply-to: <e4f749f6-3d89-4342-b896-8f32a55907ec@acm.org>
Organization: Western Digital Research
References: <20250905070643.2533483-1-yukuai1@huaweicloud.com> <20250905070643.2533483-8-yukuai1@huaweicloud.com> <e4f749f6-3d89-4342-b896-8f32a55907ec@acm.org>
User-agent: Mozilla Thunderbird

On 9/6/25 05:49, Bart Van Assche wrote:
> On 9/5/25 12:06 AM, Yu Kuai wrote:
>> Unify bio split code, and prepare to fix disordered split IO
> 
> fix disordered split IO -> fix reordering of split IO

-> fix ordering of split IO

the fix is to reorder IOs :)


-- 
Damien Le Moal
Western Digital Research

References:
- [PATCH for-6.18/block 00/16] block: fix reordered IO in the case recursive split
  - From: Yu Kuai
- [PATCH for-6.18/block 07/16] md/raid0: convert raid0_handle_discard() to use bio_submit_split_bioset()
  - From: Yu Kuai
- Re: [PATCH for-6.18/block 07/16] md/raid0: convert raid0_handle_discard() to use bio_submit_split_bioset()
  - From: Bart Van Assche

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