From: kernel test robot <lkp@intel.com>
To: Christoph Hellwig <hch@lst.de>,
Dan Williams <dan.j.williams@intel.com>,
Jens Axboe <axboe@kernel.dk>
Cc: kbuild-all@lists.01.org, Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Ira Weiny <ira.weiny@intel.com>,
linux-block@vger.kernel.org, nvdimm@lists.linux.dev
Subject: Re: [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem
Date: Tue, 21 Sep 2021 02:00:13 +0800 [thread overview]
Message-ID: <202109210155.7rqblE6U-lkp@intel.com> (raw)
In-Reply-To: <20210920072726.1159572-3-hch@lst.de>
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Hi Christoph,
I love your patch! Yet something to improve:
[auto build test ERROR on axboe-block/for-next]
[also build test ERROR on linus/master v5.15-rc2 next-20210920]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Christoph-Hellwig/nvdimm-pmem-fix-creating-the-dax-group/20210920-162804
base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: riscv-buildonly-randconfig-r006-20210920 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/1a16d0f32f70bcd159a9f8cf32794f4024e8711e
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Christoph-Hellwig/nvdimm-pmem-fix-creating-the-dax-group/20210920-162804
git checkout 1a16d0f32f70bcd159a9f8cf32794f4024e8711e
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers/dax/super.c:375:6: error: no previous prototype for 'run_dax' [-Werror=missing-prototypes]
375 | void run_dax(struct dax_device *dax_dev)
| ^~~~~~~
>> drivers/dax/super.c:70:27: error: 'dax_get_by_host' defined but not used [-Werror=unused-function]
70 | static struct dax_device *dax_get_by_host(const char *host)
| ^~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/dax_get_by_host +70 drivers/dax/super.c
1b7646014e0d838b Christoph Hellwig 2021-08-26 65
1b7646014e0d838b Christoph Hellwig 2021-08-26 66 /**
1b7646014e0d838b Christoph Hellwig 2021-08-26 67 * dax_get_by_host() - temporary lookup mechanism for filesystem-dax
1b7646014e0d838b Christoph Hellwig 2021-08-26 68 * @host: alternate name for the device registered by a dax driver
1b7646014e0d838b Christoph Hellwig 2021-08-26 69 */
1b7646014e0d838b Christoph Hellwig 2021-08-26 @70 static struct dax_device *dax_get_by_host(const char *host)
1b7646014e0d838b Christoph Hellwig 2021-08-26 71 {
1b7646014e0d838b Christoph Hellwig 2021-08-26 72 struct dax_device *dax_dev, *found = NULL;
1b7646014e0d838b Christoph Hellwig 2021-08-26 73 int hash, id;
1b7646014e0d838b Christoph Hellwig 2021-08-26 74
1b7646014e0d838b Christoph Hellwig 2021-08-26 75 if (!host)
1b7646014e0d838b Christoph Hellwig 2021-08-26 76 return NULL;
1b7646014e0d838b Christoph Hellwig 2021-08-26 77
1b7646014e0d838b Christoph Hellwig 2021-08-26 78 hash = dax_host_hash(host);
1b7646014e0d838b Christoph Hellwig 2021-08-26 79
1b7646014e0d838b Christoph Hellwig 2021-08-26 80 id = dax_read_lock();
1b7646014e0d838b Christoph Hellwig 2021-08-26 81 spin_lock(&dax_host_lock);
1b7646014e0d838b Christoph Hellwig 2021-08-26 82 hlist_for_each_entry(dax_dev, &dax_host_list[hash], list) {
1b7646014e0d838b Christoph Hellwig 2021-08-26 83 if (!dax_alive(dax_dev)
1b7646014e0d838b Christoph Hellwig 2021-08-26 84 || strcmp(host, dax_dev->host) != 0)
1b7646014e0d838b Christoph Hellwig 2021-08-26 85 continue;
1b7646014e0d838b Christoph Hellwig 2021-08-26 86
1b7646014e0d838b Christoph Hellwig 2021-08-26 87 if (igrab(&dax_dev->inode))
1b7646014e0d838b Christoph Hellwig 2021-08-26 88 found = dax_dev;
1b7646014e0d838b Christoph Hellwig 2021-08-26 89 break;
1b7646014e0d838b Christoph Hellwig 2021-08-26 90 }
1b7646014e0d838b Christoph Hellwig 2021-08-26 91 spin_unlock(&dax_host_lock);
1b7646014e0d838b Christoph Hellwig 2021-08-26 92 dax_read_unlock(id);
1b7646014e0d838b Christoph Hellwig 2021-08-26 93
1b7646014e0d838b Christoph Hellwig 2021-08-26 94 return found;
1b7646014e0d838b Christoph Hellwig 2021-08-26 95 }
1b7646014e0d838b Christoph Hellwig 2021-08-26 96
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next prev parent reply other threads:[~2021-09-20 18:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 7:27 fix a dax/block device attribute registration regression Christoph Hellwig
2021-09-20 7:27 ` [PATCH 1/3] nvdimm/pmem: fix creating the dax group Christoph Hellwig
2021-09-20 22:52 ` Ira Weiny
2021-09-20 23:09 ` Dan Williams
2021-09-20 7:27 ` [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem Christoph Hellwig
2021-09-20 18:00 ` kernel test robot [this message]
2021-09-20 23:29 ` Dan Williams
2021-09-20 22:51 ` Ira Weiny
2021-09-20 23:36 ` Dan Williams
2021-09-20 23:37 ` Dan Williams
2021-09-20 7:27 ` [PATCH 3/3] block: warn if ->groups is set when calling add_disk Christoph Hellwig
2021-09-20 22:52 ` Ira Weiny
2021-09-20 23:50 ` Dan Williams
2021-09-21 6:32 ` Christoph Hellwig
2021-09-22 17:34 dax_supported() related cleanups v2 Christoph Hellwig
2021-09-22 17:34 ` [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem Christoph Hellwig
2021-09-22 18:33 fix a dax/block device attribute registration regression Christoph Hellwig
2021-09-22 18:33 ` [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem Christoph Hellwig
2021-09-22 21:40 ` Ira Weiny
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