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From: kbuild test robot <lkp@intel.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	linux-nvme@lists.infradead.org, Jens Axboe <axboe@fb.com>,
	dm-devel@redhat.com, kbuild-all@01.org,
	Bart Van Assche <bart.vanassche@sandisk.com>
Subject: Re: [PATCH 2/6] blk-mq: use the introduced blk_mq_unquiesce_queue()
Date: Fri, 26 May 2017 15:46:51 +0800	[thread overview]
Message-ID: <201705261505.zm4lMvaq%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170526030740.26959-3-ming.lei@redhat.com>

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Hi Ming,

[auto build test ERROR on block/for-next]
[also build test ERROR on v4.12-rc2 next-20170525]
[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/Ming-Lei/blk-mq-introduce-blk_mq_unquiesce_queue/20170526-140138
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: x86_64-randconfig-x019-201721 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

Note: the linux-review/Ming-Lei/blk-mq-introduce-blk_mq_unquiesce_queue/20170526-140138 HEAD 470e70e5203ed8f76bb7c1a86db58023098bfc21 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/scsi/scsi_lib.c: In function 'scsi_internal_device_unblock':
>> drivers/scsi/scsi_lib.c:3033:7: error: implicit declaration of function 'blk_queue_quiesced' [-Werror=implicit-function-declaration]
      if (blk_queue_quiesced(q))
          ^~~~~~~~~~~~~~~~~~
   Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size
   Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
   Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:test_and_clear_bit
   Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit
   Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit
   Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64
   Cyclomatic Complexity 1 include/uapi/linux/swab.h:__swab16p
   Cyclomatic Complexity 1 include/uapi/linux/byteorder/little_endian.h:__be16_to_cpup
   Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64
   Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD
   Cyclomatic Complexity 1 include/linux/list.h:__list_add_valid
   Cyclomatic Complexity 1 include/linux/list.h:__list_del_entry_valid
   Cyclomatic Complexity 2 include/linux/list.h:__list_add
   Cyclomatic Complexity 1 include/linux/list.h:list_add_tail
   Cyclomatic Complexity 1 include/linux/list.h:__list_del
   Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry
   Cyclomatic Complexity 1 include/linux/list.h:list_del
   Cyclomatic Complexity 1 include/linux/list.h:list_del_init
   Cyclomatic Complexity 1 include/linux/list.h:list_move_tail
   Cyclomatic Complexity 1 include/linux/list.h:list_empty
   Cyclomatic Complexity 1 include/linux/list.h:__list_splice
   Cyclomatic Complexity 2 include/linux/list.h:list_splice
   Cyclomatic Complexity 2 include/linux/list.h:list_splice_init
   Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
   Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order
   Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_read
   Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_set
   Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_inc
   Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_dec
   Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_add_return
   Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_sub_return
   Cyclomatic Complexity 1 include/linux/jump_label.h:static_key_count
   Cyclomatic Complexity 2 include/linux/jump_label.h:static_key_false
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_save_flags
   Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_irqs_disabled_flags
   Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add
   Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:__preempt_count_dec_and_test
   Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check
   Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock_irq
   Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_irq
   Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_irqrestore
   Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_read_lock_sched_notrace
   Cyclomatic Complexity 1 include/linux/mm.h:lowmem_page_address
   Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_disabled_inc
   Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_disabled_dec
   Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_disable
   Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_enable
   Cyclomatic Complexity 1 include/linux/highmem.h:kmap_atomic
   Cyclomatic Complexity 1 include/linux/blk_types.h:op_is_write
   Cyclomatic Complexity 1 include/linux/slab.h:kmem_cache_alloc_node
   Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large
   Cyclomatic Complexity 3 include/linux/slab.h:kmalloc
   Cyclomatic Complexity 1 include/linux/slab.h:kzalloc
   Cyclomatic Complexity 1 include/linux/blkdev.h:blk_rq_is_scsi
   Cyclomatic Complexity 1 include/linux/blkdev.h:blk_rq_is_private
   Cyclomatic Complexity 3 include/linux/blkdev.h:blk_rq_is_passthrough
   Cyclomatic Complexity 1 include/linux/blkdev.h:blk_rq_bytes
   Cyclomatic Complexity 2 include/linux/blkdev.h:blk_rq_payload_bytes
   Cyclomatic Complexity 2 include/linux/blkdev.h:blk_rq_nr_phys_segments
   Cyclomatic Complexity 1 include/linux/blkdev.h:blk_integrity_rq
   Cyclomatic Complexity 1 include/linux/blkdev.h:blk_rq_count_integrity_sg
   Cyclomatic Complexity 1 include/linux/blkdev.h:blk_rq_map_integrity_sg
   Cyclomatic Complexity 1 include/linux/blkdev.h:blk_queue_max_integrity_segments
   Cyclomatic Complexity 1 include/linux/blkdev.h:queue_max_integrity_segments
   Cyclomatic Complexity 3 include/linux/dma-mapping.h:dma_get_max_seg_size
   Cyclomatic Complexity 2 include/linux/dma-mapping.h:dma_set_seg_boundary
   Cyclomatic Complexity 1 include/linux/dma-mapping.h:dma_max_pfn
   Cyclomatic Complexity 1 include/linux/blk-mq.h:blk_mq_rq_to_pdu
   Cyclomatic Complexity 1 include/linux/unaligned/access_ok.h:get_unaligned_be16
   Cyclomatic Complexity 1 include/scsi/scsi_common.h:scsi_varlen_cdb_length
   Cyclomatic Complexity 2 include/scsi/scsi_common.h:scsi_command_size
   Cyclomatic Complexity 2 include/scsi/scsi_common.h:scsi_sense_valid
   Cyclomatic Complexity 3 include/scsi/scsi.h:scsi_status_is_good
   Cyclomatic Complexity 1 include/scsi/scsi_device.h:scsi_target
   Cyclomatic Complexity 1 include/scsi/scsi_device.h:scsi_device_online
   Cyclomatic Complexity 1 include/scsi/scsi_device.h:scsi_device_blocked
   Cyclomatic Complexity 1 include/scsi/scsi_request.h:scsi_req
   Cyclomatic Complexity 1 include/scsi/scsi_cmnd.h:scsi_cmd_to_driver
   Cyclomatic Complexity 1 include/scsi/scsi_cmnd.h:scsi_set_resid
   Cyclomatic Complexity 1 include/scsi/scsi_cmnd.h:scsi_get_resid
   Cyclomatic Complexity 3 include/scsi/scsi_cmnd.h:scsi_bidi_cmnd
   Cyclomatic Complexity 2 include/scsi/scsi_cmnd.h:scsi_in
   Cyclomatic Complexity 2 include/scsi/scsi_cmnd.h:scsi_prot_sg_count
   Cyclomatic Complexity 1 include/scsi/scsi_cmnd.h:set_host_byte
   Cyclomatic Complexity 3 include/scsi/scsi_eh.h:scsi_sense_is_deferred
   Cyclomatic Complexity 3 include/scsi/scsi_host.h:scsi_host_in_recovery
   Cyclomatic Complexity 1 include/scsi/scsi_host.h:scsi_get_device
   Cyclomatic Complexity 1 include/scsi/scsi_host.h:scsi_host_get_prot
   Cyclomatic Complexity 1 include/scsi/scsi_host.h:scsi_host_prot_dma
   Cyclomatic Complexity 1 drivers/scsi/scsi_priv.h:scsi_log_send
   Cyclomatic Complexity 1 drivers/scsi/scsi_priv.h:scsi_log_completion
   Cyclomatic Complexity 2 drivers/scsi/scsi_lib.c:scsi_select_sense_cache
   Cyclomatic Complexity 1 drivers/scsi/scsi_lib.c:scsi_alloc_sense_buffer
   Cyclomatic Complexity 4 drivers/scsi/scsi_lib.c:scsi_set_blocked
   Cyclomatic Complexity 3 drivers/scsi/scsi_lib.c:scsi_device_is_busy
   Cyclomatic Complexity 4 drivers/scsi/scsi_lib.c:scsi_target_is_busy
   Cyclomatic Complexity 5 drivers/scsi/scsi_lib.c:scsi_host_is_busy
   Cyclomatic Complexity 3 drivers/scsi/scsi_lib.c:scsi_uninit_cmd

vim +/blk_queue_quiesced +3033 drivers/scsi/scsi_lib.c

  3027				sdev->sdev_state = SDEV_CREATED;
  3028		} else if (sdev->sdev_state != SDEV_CANCEL &&
  3029			 sdev->sdev_state != SDEV_OFFLINE)
  3030			return -EINVAL;
  3031	
  3032		if (q->mq_ops) {
> 3033			if (blk_queue_quiesced(q))
  3034				blk_mq_unquiesce_queue(q);
  3035			else
  3036				blk_mq_start_stopped_hw_queues(q, false);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  reply	other threads:[~2017-05-26  7:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-26  3:07 [PATCH 0/6] blk-mq: fix & improve queue quiescing Ming Lei
2017-05-26  3:07 ` [PATCH 1/6] blk-mq: introduce blk_mq_unquiesce_queue Ming Lei
2017-05-26  3:07 ` [PATCH 2/6] blk-mq: use the introduced blk_mq_unquiesce_queue() Ming Lei
2017-05-26  7:46   ` kbuild test robot [this message]
2017-05-26  8:24     ` Ming Lei
2017-05-26  3:07 ` [PATCH 3/6] blk-mq: fix blk_mq_quiesce_queue Ming Lei
2017-05-26  3:07 ` [PATCH 4/6] blk-mq: update comments on blk_mq_quiesce_queue() Ming Lei
2017-05-26  3:07 ` [PATCH 5/6] blk-mq: don't stop queue for quiescing Ming Lei
2017-05-26  3:07 ` [PATCH 6/6] blk-mq: clarify dispatching may not be drained/blocked by stopping queue Ming Lei
2017-05-26  3:07 ` [PATCH 6/6] blk-mq: clarify dispatching won't be blocked " Ming Lei

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