linux-kernel - Re: [PATCH for-6.18/block 02/16] block: initialize bio issue time in blk_mq_submit

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Message-ID: <adb6b29c-ad24-0377-c5f3-17868f3e3116@huaweicloud.com>
Date: Mon, 8 Sep 2025 09:32:10 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: Yu Kuai <hailan@...uai.org.cn>, kernel test robot <lkp@...el.com>,
 Yu Kuai <yukuai1@...weicloud.com>, hch@...radead.org, colyli@...nel.org,
 hare@...e.de, dlemoal@...nel.org, tieren@...as.com, bvanassche@....org,
 axboe@...nel.dk, tj@...nel.org, josef@...icpanda.com, song@...nel.org,
 satyat@...gle.com, ebiggers@...gle.com, kmo@...erainc.com,
 akpm@...ux-foundation.org, neil@...wn.name
Cc: oe-kbuild-all@...ts.linux.dev, linux-block@...r.kernel.org,
 linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
 linux-raid@...r.kernel.org, yi.zhang@...wei.com, yangerkun@...wei.com,
 johnny.chenyi@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH for-6.18/block 02/16] block: initialize bio issue time in
 blk_mq_submit_bio()

Hi,

在 2025/09/07 15:57, Yu Kuai 写道:
>> If you fix the issue in a separate patch/commit (i.e. not just a new 
>> version of
>> the same patch/commit), kindly add following tags
>> | Reported-by: kernel test robot <lkp@...el.com>
>> | Closes: 
>> https://lore.kernel.org/oe-kbuild-all/202509062332.tqE0Bc8k-lkp@intel.com/ 
>>
>>
>> All errors (new ones prefixed by >>):
>>
>>     block/blk-mq.c: In function 'blk_mq_submit_bio':
>>>> block/blk-mq.c:3171:12: error: 'struct bio' has no member named 
>>>> 'issue_time_ns'
>>      3171 |         bio->issue_time_ns = blk_time_get_ns();
> 
> This should be included inside BLK_CGROUP config, sorry about this.
> 

I should keep the blkcg_bio_issue_init() and call it here. I'll wait for
sometime and let people revice other patches before I send a new
version.

Thanks,
Kuai