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

[PATCH 0/9 v5] block: Fix IO priority mess · Jan Kara <jack@suse.cz> · 2022-06-23
[PATCH 1/9] block: fix default IO priority handling again · Jan Kara <jack@suse.cz> · 2022-06-23
Re: [PATCH 1/9] block: fix default IO priority handling again · Christoph Hellwig <hch@infradead.org> · 2022-06-23
Re: [PATCH 1/9] block: fix default IO priority handling again · Jens Axboe <axboe@kernel.dk> · 2022-06-23
[PATCH 8/9] block: Initialize bio priority earlier · Jan Kara <jack@suse.cz> · 2022-06-23
Re: [PATCH 8/9] block: Initialize bio priority earlier · Christoph Hellwig <hch@infradead.org> · 2022-06-23
[PATCH 2/9] block: Return effective IO priority from get_current_ioprio() · Jan Kara <jack@suse.cz> · 2022-06-23
Re: [PATCH 2/9] block: Return effective IO priority from get_current_ioprio() · Christoph Hellwig <hch@infradead.org> · 2022-06-23
[PATCH 9/9] block: Always initialize bio IO priority on submit · Jan Kara <jack@suse.cz> · 2022-06-23
Re: [PATCH 9/9] block: Always initialize bio IO priority on submit · Christoph Hellwig <hch@infradead.org> · 2022-06-23
[PATCH 5/9] block: Fix handling of tasks without ioprio in ioprio_get(2) · Jan Kara <jack@suse.cz> · 2022-06-23
[PATCH 6/9] blk-ioprio: Remove unneeded field · Jan Kara <jack@suse.cz> · 2022-06-23
Re: [PATCH 6/9] blk-ioprio: Remove unneeded field · Christoph Hellwig <hch@infradead.org> · 2022-06-23
[PATCH 7/9] blk-ioprio: Convert from rqos policy to direct call · Jan Kara <jack@suse.cz> · 2022-06-23
Re: [PATCH 7/9] blk-ioprio: Convert from rqos policy to direct call · Christoph Hellwig <hch@infradead.org> · 2022-06-23
[PATCH 3/9] block: Generalize get_current_ioprio() for any task · Jan Kara <jack@suse.cz> · 2022-06-23
Re: [PATCH 3/9] block: Generalize get_current_ioprio() for any task · Christoph Hellwig <hch@infradead.org> · 2022-06-23
[PATCH 4/9] block: Make ioprio_best() static · Jan Kara <jack@suse.cz> · 2022-06-23
Re: [PATCH 4/9] block: Make ioprio_best() static · Christoph Hellwig <hch@infradead.org> · 2022-06-23

From: Christoph Hellwig <hch@infradead.org>
Date: 2022-06-23 14:01:36

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@lst.de>

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