From: kbuild test robot <fengguang.wu@intel.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: "Jan Kara" <jack@suse.cz>, "Jérôme Glisse" <jglisse@redhat.com>,
"Christoph Hellwig" <hch@lst.de>,
kbuild-all@01.org, linux-nvdimm@lists.01.org
Subject: [linux-nvdimm:libnvdimm-for-next 49/56] drivers//dax/super.c:207:7: error: implicit declaration of function 'blk_queue_dax'
Date: Sun, 1 Apr 2018 09:25:32 +0800 [thread overview]
Message-ID: <201804010926.L8EBefxY%fengguang.wu@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git libnvdimm-for-next
head: 4f2e6ecbd1cb397d65ead8aab4fd4d05fcbfeaff
commit: 45d0fd3c767f81356f880be9a8893bb12a39488a [49/56] mm, dev_pagemap: introduce CONFIG_DEV_PAGEMAP_OPS
config: x86_64-randconfig-s4-04010854 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
git checkout 45d0fd3c767f81356f880be9a8893bb12a39488a
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
drivers//dax/super.c: In function 'fs_dax_claim_bdev':
>> drivers//dax/super.c:207:7: error: implicit declaration of function 'blk_queue_dax' [-Werror=implicit-function-declaration]
if (!blk_queue_dax(bdev->bd_queue))
^~~~~~~~~~~~~
drivers//dax/super.c:209:44: error: dereferencing pointer to incomplete type 'struct gendisk'
dax_dev = fs_dax_get_by_host(bdev->bd_disk->disk_name);
^~
cc1: some warnings being treated as errors
vim +/blk_queue_dax +207 drivers//dax/super.c
b42158bb Dan Williams 2018-03-29 202
b42158bb Dan Williams 2018-03-29 203 struct dax_device *fs_dax_claim_bdev(struct block_device *bdev, void *owner)
b42158bb Dan Williams 2018-03-29 204 {
b42158bb Dan Williams 2018-03-29 205 struct dax_device *dax_dev;
b42158bb Dan Williams 2018-03-29 206
b42158bb Dan Williams 2018-03-29 @207 if (!blk_queue_dax(bdev->bd_queue))
b42158bb Dan Williams 2018-03-29 208 return NULL;
b42158bb Dan Williams 2018-03-29 209 dax_dev = fs_dax_get_by_host(bdev->bd_disk->disk_name);
b42158bb Dan Williams 2018-03-29 210 if (dax_dev->ops->fs_claim)
b42158bb Dan Williams 2018-03-29 211 return dax_dev->ops->fs_claim(dax_dev, owner);
b42158bb Dan Williams 2018-03-29 212 else
b42158bb Dan Williams 2018-03-29 213 return fs_dax_claim(dax_dev, owner);
b42158bb Dan Williams 2018-03-29 214 }
b42158bb Dan Williams 2018-03-29 215 EXPORT_SYMBOL_GPL(fs_dax_claim_bdev);
b42158bb Dan Williams 2018-03-29 216
:::::: The code at line 207 was first introduced by commit
:::::: b42158bb23c9db316c12e3b3845ef01d41013314 dax, dm: introduce ->fs_{claim,release}() dax_device infrastructure
:::::: TO: Dan Williams <dan.j.williams@intel.com>
:::::: CC: Dan Williams <dan.j.williams@intel.com>
---
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