Re: [PATCH 8/9] block: Initialize bio priority earlier

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To: Jan Kara <jack@xxxxxxx>
Subject: Re: [PATCH 8/9] block: Initialize bio priority earlier
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 23 Jun 2022 07:01:32 -0700
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>, Bart Van Assche <bvanassche@xxxxxxx>, Niklas Cassel <Niklas.Cassel@xxxxxxx>
In-reply-to: <20220623074840.5960-8-jack@suse.cz>
References: <20220623074450.30550-1-jack@suse.cz> <20220623074840.5960-8-jack@suse.cz>

On Thu, Jun 23, 2022 at 09:48:33AM +0200, Jan Kara wrote:
> Bio's IO priority needs to be initialized before we try to merge the bio
> with other bios. Otherwise we could merge bios which would otherwise
> receive different IO priorities leading to possible QoS issues.

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH 0/9 v5] block: Fix IO priority mess
  - From: Jan Kara
- [PATCH 8/9] block: Initialize bio priority earlier
  - From: Jan Kara

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