From: kbuild test robot <lkp@intel.com>
To: Dennis Zhou <dennisszhou@gmail.com>
Cc: kbuild-all@01.org, Jens Axboe <axboe@kernel.dk>,
Tejun Heo <tj@kernel.org>, Johannes Weiner <hannes@cmpxchg.org>,
Josef Bacik <josef@toxicpanda.com>,
kernel-team@fb.com, linux-block@vger.kernel.org,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
"Dennis Zhou (Facebook)" <dennisszhou@gmail.com>
Subject: Re: [PATCH 06/15] blkcg: always associate a bio with a blkg
Date: Fri, 31 Aug 2018 17:01:30 +0800 [thread overview]
Message-ID: <201808311650.9IEguGvq%fengguang.wu@intel.com> (raw)
In-Reply-To: <20180831015356.69796-7-dennisszhou@gmail.com>
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Hi Dennis,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on block/for-next]
[also build test WARNING on v4.19-rc1 next-20180831]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Dennis-Zhou/blkcg-ref-count-refactor-cleanup-blkcg-avg_lat/20180831-161742
base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: x86_64-randconfig-x019-201834 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from include/linux/blkdev.h:21:0,
from block//partitions/check.h:3,
from block//partitions/check.c:22:
>> include/linux/bio.h:566:17: warning: 'struct blkcg_gq' declared inside parameter list will not be visible outside of this definition or declaration
struct blkcg_gq *blkg) { return 0; }
^~~~~~~~
vim +566 include/linux/bio.h
555
556 #ifdef CONFIG_BLK_CGROUP
557 int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css);
558 int bio_associate_blkg(struct bio *bio, struct blkcg_gq *blkg);
559 int bio_associate_create_blkg(struct request_queue *q, struct bio *bio);
560 void bio_disassociate_task(struct bio *bio);
561 void bio_clone_blkcg_association(struct bio *dst, struct bio *src);
562 #else /* CONFIG_BLK_CGROUP */
563 static inline int bio_associate_blkcg(struct bio *bio,
564 struct cgroup_subsys_state *blkcg_css) { return 0; }
565 static inline int bio_associate_blkg(struct bio *bio,
> 566 struct blkcg_gq *blkg) { return 0; }
567 static inline int bio_associate_create_blkg(struct request_queue *q,
568 struct bio *bio) { return 0; }
569 static inline void bio_disassociate_task(struct bio *bio) { }
570 static inline void bio_clone_blkcg_association(struct bio *dst,
571 struct bio *src) { }
572 #endif /* CONFIG_BLK_CGROUP */
573
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2018-08-31 9:02 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-31 1:53 [PATCH 00/15] blkcg ref count refactor/cleanup + blkcg avg_lat Dennis Zhou
2018-08-31 1:53 ` [PATCH 01/15] Revert "blk-throttle: fix race between blkcg_bio_issue_check() and cgroup_rmdir()" Dennis Zhou
2018-08-31 1:53 ` [PATCH 02/15] blkcg: delay blkg destruction until after writeback has finished Dennis Zhou
2018-08-31 15:27 ` Josef Bacik
2018-08-31 20:19 ` Dennis Zhou
2018-08-31 1:53 ` [PATCH 03/15] blkcg: use tryget logic when associating a blkg with a bio Dennis Zhou
2018-08-31 15:30 ` Josef Bacik
2018-08-31 20:20 ` Dennis Zhou
2018-08-31 1:53 ` [PATCH 04/15] blkcg: fix ref count issue with bio_blkcg using task_css Dennis Zhou
2018-08-31 15:35 ` Josef Bacik
2018-08-31 23:04 ` Tejun Heo
2018-09-06 15:21 ` Dennis Zhou
2018-08-31 1:53 ` [PATCH 05/15] blkcg: update blkg_lookup_create to do locking Dennis Zhou
2018-08-31 15:37 ` Josef Bacik
2018-08-31 23:09 ` Tejun Heo
2018-08-31 1:53 ` [PATCH 06/15] blkcg: always associate a bio with a blkg Dennis Zhou
2018-08-31 9:01 ` kbuild test robot [this message]
2018-08-31 10:02 ` kbuild test robot
2018-08-31 23:16 ` Tejun Heo
2018-09-06 20:41 ` Dennis Zhou
2018-09-07 3:03 ` [LKP] [blkcg] c02c58dab2: WARNING:at_block/blk-throttle.c:#blk_throtl_bio kernel test robot
2018-08-31 1:53 ` [PATCH 07/15] blkcg: consolidate bio_issue_init and blkg association Dennis Zhou
2018-08-31 9:19 ` kbuild test robot
2018-08-31 11:11 ` kbuild test robot
2018-08-31 15:42 ` Josef Bacik
2018-09-06 20:43 ` Dennis Zhou
2018-08-31 23:45 ` Tejun Heo
2018-08-31 1:53 ` [PATCH 08/15] blkcg: associate a blkg for pages being evicted by swap Dennis Zhou
2018-08-31 15:44 ` Josef Bacik
2018-08-31 23:47 ` Tejun Heo
2018-08-31 1:53 ` [PATCH 09/15] blkcg: associate writeback bios with a blkg Dennis Zhou
2018-08-31 15:45 ` Josef Bacik
2018-08-31 23:53 ` Tejun Heo
2018-08-31 1:53 ` [PATCH 10/15] blkcg: remove bio->bi_css and instead use bio->bi_blkg Dennis Zhou
2018-08-31 15:46 ` Josef Bacik
2018-09-01 0:13 ` Tejun Heo
2018-08-31 1:53 ` [PATCH 11/15] blkcg: remove additional reference to the css Dennis Zhou
2018-09-01 0:26 ` Tejun Heo
2018-09-06 20:45 ` Dennis Zhou
2018-08-31 1:53 ` [PATCH 12/15] blkcg: cleanup and make blk_get_rl use blkg_lookup_create Dennis Zhou
2018-09-01 0:29 ` Tejun Heo
2018-09-11 2:37 ` [LKP] [blkcg] 22f657e287: general_protection_fault:#[##] kernel test robot
2018-08-31 1:53 ` [PATCH 13/15] blkcg: change blkg reference counting to use percpu_ref Dennis Zhou
2018-08-31 15:49 ` Josef Bacik
2018-09-01 0:31 ` Tejun Heo
2018-09-06 20:46 ` Dennis Zhou
2018-09-07 3:08 ` [LKP] [blkcg] 6ef69a3a0b: WARNING:suspicious_RCU_usage kernel test robot
2018-08-31 1:53 ` [PATCH 14/15] blkcg: rename blkg_try_get to blkg_tryget Dennis Zhou
2018-08-31 15:50 ` Josef Bacik
2018-09-01 0:32 ` Tejun Heo
2018-08-31 1:53 ` [PATCH 15/15] blkcg: add average latency tracking to blk-cgroup Dennis Zhou
2018-08-31 10:22 ` kbuild test robot
2018-08-31 11:38 ` kbuild test robot
2018-09-01 0:35 ` [PATCH 00/15] blkcg ref count refactor/cleanup + blkcg avg_lat Tejun Heo
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