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Date: Sat, 3 Jun 2017 13:35:53 +0800
From: kbuild test robot <lkp@...el.com>
To: Shaohua Li <shli@...nel.org>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
linux-block@...r.kernel.org, tj@...nel.org,
gregkh@...uxfoundation.org, hch@....de, axboe@...com,
rostedt@...dmis.org, lizefan@...wei.com, Kernel-team@...com,
Shaohua Li <shli@...com>
Subject: Re: [PATCH 07/11] blktrace: export cgroup info in trace
Hi Shaohua,
[auto build test WARNING on driver-core/driver-core-testing]
[also build test WARNING on v4.12-rc3 next-20170602]
[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/Shaohua-Li/kernfs-implement-i_generation/20170603-083132
reproduce: make htmldocs
All warnings (new ones prefixed by >>):
WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org)
arch/x86/include/asm/uaccess_32.h:1: warning: no structured comments found
>> kernel/trace/blktrace.c:750: warning: No description found for parameter 'cgid'
kernel/trace/blktrace.c:807: warning: No description found for parameter 'cgid'
include/linux/init.h:1: warning: no structured comments found
include/linux/mod_devicetable.h:686: warning: Excess struct/union/enum/typedef member 'ver_major' description in 'fsl_mc_device_id'
include/linux/mod_devicetable.h:686: warning: Excess struct/union/enum/typedef member 'ver_minor' description in 'fsl_mc_device_id'
kernel/sched/core.c:2088: warning: No description found for parameter 'rf'
kernel/sched/core.c:2088: warning: Excess function parameter 'cookie' description in 'try_to_wake_up_local'
include/linux/kthread.h:26: warning: Excess function parameter '...' description in 'kthread_create'
kernel/sys.c:1: warning: no structured comments found
include/linux/device.h:969: warning: No description found for parameter 'dma_ops'
drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
include/linux/iio/iio.h:597: warning: No description found for parameter 'trig_readonly'
include/linux/iio/trigger.h:151: warning: No description found for parameter 'indio_dev'
include/linux/iio/trigger.h:151: warning: No description found for parameter 'trig'
include/linux/device.h:970: warning: No description found for parameter 'dma_ops'
include/linux/usb/gadget.h:230: warning: No description found for parameter 'claimed'
include/linux/usb/gadget.h:230: warning: No description found for parameter 'enabled'
include/linux/usb/gadget.h:408: warning: No description found for parameter 'quirk_altset_not_supp'
include/linux/usb/gadget.h:408: warning: No description found for parameter 'quirk_stall_not_supp'
include/linux/usb/gadget.h:408: warning: No description found for parameter 'quirk_zlp_not_supp'
include/drm/drm_drv.h:524: warning: No description found for parameter 'set_busid'
include/drm/drm_drv.h:524: warning: No description found for parameter 'irq_handler'
include/drm/drm_drv.h:524: warning: No description found for parameter 'irq_preinstall'
include/drm/drm_drv.h:524: warning: No description found for parameter 'irq_postinstall'
include/drm/drm_drv.h:524: warning: No description found for parameter 'irq_uninstall'
include/drm/drm_drv.h:524: warning: No description found for parameter 'debugfs_init'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_open_object'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_close_object'
include/drm/drm_drv.h:524: warning: No description found for parameter 'prime_handle_to_fd'
include/drm/drm_drv.h:524: warning: No description found for parameter 'prime_fd_to_handle'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_export'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_import'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_pin'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_unpin'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_res_obj'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_get_sg_table'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_import_sg_table'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_vmap'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_vunmap'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_prime_mmap'
include/drm/drm_drv.h:524: warning: No description found for parameter 'gem_vm_ops'
include/drm/drm_drv.h:524: warning: No description found for parameter 'major'
include/drm/drm_drv.h:524: warning: No description found for parameter 'minor'
include/drm/drm_drv.h:524: warning: No description found for parameter 'patchlevel'
include/drm/drm_drv.h:524: warning: No description found for parameter 'name'
include/drm/drm_drv.h:524: warning: No description found for parameter 'desc'
include/drm/drm_drv.h:524: warning: No description found for parameter 'date'
include/drm/drm_drv.h:524: warning: No description found for parameter 'driver_features'
include/drm/drm_drv.h:524: warning: No description found for parameter 'ioctls'
include/drm/drm_drv.h:524: warning: No description found for parameter 'num_ioctls'
include/drm/drm_drv.h:524: warning: No description found for parameter 'fops'
include/drm/drm_color_mgmt.h:1: warning: no structured comments found
drivers/gpu/drm/drm_plane_helper.c:403: warning: No description found for parameter 'ctx'
drivers/gpu/drm/drm_plane_helper.c:404: warning: No description found for parameter 'ctx'
drivers/gpu/drm/i915/intel_lpe_audio.c:355: warning: No description found for parameter 'dp_output'
drivers/gpu/drm/i915/intel_lpe_audio.c:355: warning: No description found for parameter 'link_rate'
drivers/gpu/drm/i915/intel_lpe_audio.c:356: warning: No description found for parameter 'dp_output'
drivers/gpu/drm/i915/intel_lpe_audio.c:356: warning: No description found for parameter 'link_rate'
Documentation/core-api/assoc_array.rst:13: WARNING: Enumerated list ends without a blank line; unexpected unindent.
Documentation/doc-guide/sphinx.rst:126: ERROR: Unknown target name: "sphinx c domain".
kernel/sched/fair.c:7650: WARNING: Inline emphasis start-string without end-string.
kernel/time/timer.c:1200: ERROR: Unexpected indentation.
kernel/time/timer.c:1202: ERROR: Unexpected indentation.
kernel/time/timer.c:1203: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/wait.h:122: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/wait.h:125: ERROR: Unexpected indentation.
include/linux/wait.h:127: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/time/hrtimer.c:990: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/signal.c:322: WARNING: Inline literal start-string without end-string.
include/linux/iio/iio.h:219: ERROR: Unexpected indentation.
include/linux/iio/iio.h:220: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/iio/iio.h:226: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/iio/industrialio-core.c:638: ERROR: Unknown target name: "iio_val".
drivers/iio/industrialio-core.c:645: ERROR: Unknown target name: "iio_val".
drivers/message/fusion/mptbase.c:5051: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/tty/serial/serial_core.c:1898: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/pci/pci.c:3456: ERROR: Unexpected indentation.
include/linux/regulator/driver.h:271: ERROR: Unknown target name: "regulator_regmap_x_voltage".
include/linux/spi/spi.h:370: ERROR: Unexpected indentation.
drivers/gpu/drm/drm_scdc_helper.c:203: ERROR: Unexpected indentation.
drivers/gpu/drm/drm_scdc_helper.c:204: WARNING: Block quote ends without a blank line; unexpected unindent.
drivers/gpu/drm/drm_ioctl.c:690: WARNING: Definition list ends without a blank line; unexpected unindent.
Documentation/gpu/todo.rst:111: ERROR: Unknown target name: "drm_fb".
sound/soc/soc-core.c:2670: ERROR: Unknown target name: "snd_soc_daifmt".
sound/core/jack.c:312: ERROR: Unknown target name: "snd_jack_btn".
Documentation/userspace-api/unshare.rst:108: WARNING: Inline emphasis start-string without end-string.
Documentation/usb/typec.rst:: WARNING: document isn't included in any toctree
Documentation/usb/usb3-debug-port.rst:: WARNING: document isn't included in any toctree
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 43: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 56: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 69: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 82: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 96: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 109: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 122: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 133: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 164: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/kbuild/.config/fontconfig/fonts.conf", line 193: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "~/.fonts.conf", line 43: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "~/.fonts.conf", line 56: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "~/.fonts.conf", line 69: Having multiple values in <test> isn't supported and may not work as expected
vim +/cgid +750 kernel/trace/blktrace.c
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 734
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 735 /**
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 736 * blk_add_trace_rq - Add a trace for a request oriented action
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 737 * @rq: the source request
caf7df12 kernel/trace/blktrace.c Christoph Hellwig 2017-04-20 738 * @error: return status to log
af5040da kernel/trace/blktrace.c Roman Pen 2014-03-04 739 * @nr_bytes: number of completed bytes
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 740 * @what: the action
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 741 *
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 742 * Description:
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 743 * Records an action against a request. Will log the bio offset + size.
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 744 *
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 745 **/
caf7df12 kernel/trace/blktrace.c Christoph Hellwig 2017-04-20 746 static void blk_add_trace_rq(struct request *rq, int error,
f46b1436 kernel/trace/blktrace.c Shaohua Li 2017-06-02 747 unsigned int nr_bytes, u32 what,
f46b1436 kernel/trace/blktrace.c Shaohua Li 2017-06-02 748 struct kernfs_node_id *cgid)
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 749 {
caf7df12 kernel/trace/blktrace.c Christoph Hellwig 2017-04-20 @750 struct blk_trace *bt = rq->q->blk_trace;
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 751
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 752 if (likely(!bt))
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 753 return;
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 754
57292b58 kernel/trace/blktrace.c Christoph Hellwig 2017-01-31 755 if (blk_rq_is_passthrough(rq))
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 756 what |= BLK_TC_ACT(BLK_TC_PC);
48b77ad6 kernel/trace/blktrace.c Christoph Hellwig 2017-01-27 757 else
5f3ea37c block/blktrace.c Arnaldo Carvalho de Melo 2008-10-30 758 what |= BLK_TC_ACT(BLK_TC_FS);
:::::: The code at line 750 was first introduced by commit
:::::: caf7df12272118e0274c8353bcfeaf60c7743a47 block: remove the errors field from struct request
:::::: TO: Christoph Hellwig <hch@....de>
:::::: CC: Jens Axboe <axboe@...com>
---
0-DAY kernel test infrastructure Open Source Technology Center
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