From: Christoph Hellwig <hch@infradead.org>
To: Yu Kuai <yukuai1@huaweicloud.com>
Cc: Yu Kuai <hailan@yukuai.org.cn>,
Christoph Hellwig <hch@infradead.org>,
colyli@kernel.org, hare@suse.de, dlemoal@kernel.org,
tieren@fnnas.com, axboe@kernel.dk, tj@kernel.org,
josef@toxicpanda.com, song@kernel.org, kmo@daterainc.com,
satyat@google.com, ebiggers@google.com, neil@brown.name,
akpm@linux-foundation.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
linux-raid@vger.kernel.org, yi.zhang@huawei.com,
yangerkun@huawei.com, johnny.chenyi@huawei.com,
"yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH RFC v3 02/15] block: add QUEUE_FLAG_BIO_ISSUE
Date: Wed, 3 Sep 2025 22:09:49 -0700 [thread overview]
Message-ID: <aLkfHW2KuNvrcYyN@infradead.org> (raw)
In-Reply-To: <dbbfce94-22d8-5c34-ba70-c6de2b902659@huaweicloud.com>
On Thu, Sep 04, 2025 at 10:44:32AM +0800, Yu Kuai wrote:
> - it's only used by iolatency, which can only be enabled for rq-based
> disks;
> - For bio that is submitted the first time, blk_cgroup_bio_start() is
> called from submit_bio_no_acct_nocheck(), where q_usage_counter is not
> grabbed yet, hence it's not safe to enable that flag while enabling
> iolatency.
Yes, keeping more things in blk-mq is always good.
> -void blk_mq_submit_bio(struct bio *bio)
> +void b k_mq_submit_bio(struct bio *bio)
This got mangled somehow.
next prev parent reply other threads:[~2025-09-04 5:10 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-01 3:32 [PATCH RFC v3 00/15] block: fix disordered IO in the case recursive split Yu Kuai
2025-09-01 3:32 ` [PATCH RFC v3 01/15] block: cleanup bio_issue Yu Kuai
2025-09-01 3:43 ` Damien Le Moal
2025-09-01 6:22 ` Yu Kuai
2025-09-03 13:23 ` Christoph Hellwig
2025-09-01 3:32 ` [PATCH RFC v3 02/15] block: add QUEUE_FLAG_BIO_ISSUE Yu Kuai
2025-09-02 17:05 ` Bart Van Assche
2025-09-03 0:54 ` Yu Kuai
2025-09-03 13:24 ` Christoph Hellwig
2025-09-03 16:54 ` Yu Kuai
2025-09-04 2:44 ` Yu Kuai
2025-09-04 5:09 ` Christoph Hellwig [this message]
2025-09-01 3:32 ` [PATCH RFC v3 03/15] md: fix mssing blktrace bio split events Yu Kuai
2025-09-01 6:30 ` Damien Le Moal
2025-09-01 7:53 ` Yu Kuai
2025-09-03 13:25 ` Christoph Hellwig
2025-09-04 0:58 ` Yu Kuai
2025-09-01 3:32 ` [PATCH RFC v3 04/15] blk-crypto: fix missing processing for split bio Yu Kuai
2025-09-01 6:31 ` Damien Le Moal
2025-09-03 13:26 ` Christoph Hellwig
2025-09-01 3:32 ` [PATCH RFC v3 05/15] block: factor out a helper bio_submit_split_bioset() Yu Kuai
2025-09-01 6:34 ` Damien Le Moal
2025-09-02 17:12 ` Bart Van Assche
2025-09-03 13:28 ` Christoph Hellwig
2025-09-03 13:28 ` Christoph Hellwig
2025-09-01 3:32 ` [PATCH RFC v3 06/15] md/raid0: convert raid0_handle_discard() to use bio_submit_split_bioset() Yu Kuai
2025-09-01 6:37 ` Damien Le Moal
2025-09-01 7:57 ` Yu Kuai
2025-09-03 13:29 ` Christoph Hellwig
2025-09-01 3:32 ` [PATCH RFC v3 07/15] md/raid1: convert " Yu Kuai
2025-09-01 6:43 ` Damien Le Moal
2025-09-01 8:03 ` Yu Kuai
2025-09-03 13:30 ` Christoph Hellwig
2025-09-01 3:32 ` [PATCH RFC v3 08/15] md/raid10: add a new r10bio flag R10BIO_Returned Yu Kuai
2025-09-01 3:32 ` [PATCH RFC v3 09/15] md/raid10: convert read/write to use bio_submit_split_bioset() Yu Kuai
2025-09-01 3:32 ` [PATCH RFC v3 10/15] md/raid5: convert " Yu Kuai
2025-09-01 3:32 ` [PATCH RFC v3 11/15] md/md-linear: " Yu Kuai
2025-09-02 3:00 ` kernel test robot
2025-09-03 17:43 ` Bart Van Assche
2025-09-04 0:50 ` Yu Kuai
2025-09-01 3:32 ` [PATCH RFC v3 12/15] blk-crypto: " Yu Kuai
2025-09-03 13:31 ` Christoph Hellwig
2025-09-01 3:32 ` [PATCH RFC v3 13/15] block: skip unnecessary checks for split bio Yu Kuai
2025-09-03 13:33 ` Christoph Hellwig
2025-09-03 17:00 ` Yu Kuai
2025-09-01 3:32 ` [PATCH RFC v3 14/15] block: fix disordered IO in the case recursive split Yu Kuai
2025-09-02 17:20 ` Bart Van Assche
2025-09-03 1:00 ` Yu Kuai
2025-09-03 1:12 ` Bart Van Assche
2025-09-03 1:41 ` Yu Kuai
2025-09-03 13:34 ` Christoph Hellwig
2025-09-03 16:59 ` Yu Kuai
2025-09-03 17:52 ` Bart Van Assche
2025-09-01 3:32 ` [PATCH RFC v3 15/15] md/raid0: convert raid0_make_request() to use bio_submit_split_bioset() Yu Kuai
2025-09-01 14:09 ` [PATCH RFC v3 00/15] block: fix disordered IO in the case recursive split Bart Van Assche
2025-09-02 1:50 ` Yu Kuai
2025-09-02 8:04 ` Yu Kuai
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