From: Hannes Reinecke <hare@suse.de>
To: Damien Le Moal <damien.lemoal@wdc.com>,
Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org,
Paolo Valente <paolo.valente@linaro.org>,
linux-f2fs-devel@lists.sourceforge.net,
Jaegeuk Kim <jaegeuk@kernel.org>, Chao Yu <yuchao0@huawei.com>
Subject: Re: [PATCH v2 1/4] block: bfq: fix bfq_set_next_ioprio_data()
Date: Fri, 6 Aug 2021 08:33:50 +0200 [thread overview]
Message-ID: <763e1397-f738-d812-52a2-759e1974ecd7@suse.de> (raw)
In-Reply-To: <20210806051140.301127-2-damien.lemoal@wdc.com>
On 8/6/21 7:11 AM, Damien Le Moal wrote:
> For a request that has a priority level equal to or larger than
> IOPRIO_BE_NR, bfq_set_next_ioprio_data() prints a critical warning but
> defaults to setting the request new_ioprio field to IOPRIO_BE_NR. This
> is not consistent with the warning and the allowed values for priority
> levels. Fix this by setting the request new_ioprio field to
> IOPRIO_BE_NR - 1, the lowest priority level allowed.
>
> Cc: <stable@vger.kernel.org>
> Fixes: aee69d78dec0 ("block, bfq: introduce the BFQ-v0 I/O scheduler as an extra scheduler")
> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
> ---
> block/bfq-iosched.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
next prev parent reply other threads:[~2021-08-06 6:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-06 5:11 [PATCH v2 0/4] IO priority fixes and improvements Damien Le Moal
2021-08-06 5:11 ` [PATCH v2 1/4] block: bfq: fix bfq_set_next_ioprio_data() Damien Le Moal
2021-08-06 6:33 ` Hannes Reinecke [this message]
2021-08-06 5:11 ` [PATCH v2 2/4] block: fix ioprio interface Damien Le Moal
2021-08-06 6:35 ` Hannes Reinecke
2021-08-06 6:57 ` Damien Le Moal
2021-08-06 8:38 ` Hannes Reinecke
2021-08-06 5:11 ` [PATCH v2 3/4] block: rename IOPRIO_BE_NR Damien Le Moal
2021-08-06 6:37 ` Hannes Reinecke
2021-08-06 6:52 ` Damien Le Moal
2021-08-06 5:11 ` [PATCH v2 4/4] block: fix default IO priority handling Damien Le Moal
2021-08-06 6:39 ` Hannes Reinecke
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