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SubjectRe: [PATCH 2/2] nvme: add API for getting nsid by bdev
Hi Robert,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3 next-20190915]
[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/Robert-Baldyga/nvme-Add-kernel-API-for-admin-command/20190916-134358
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=sparc64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

In file included from include/linux/linkage.h:7:0,
from include/linux/kernel.h:8,
from include/asm-generic/bug.h:18,
from arch/sparc/include/asm/bug.h:25,
from include/linux/bug.h:5,
from include/linux/thread_info.h:12,
from arch/sparc/include/asm/current.h:15,
from include/linux/sched.h:12,
from include/linux/blkdev.h:5,
from drivers/nvme/host/core.c:7:
>> drivers/nvme/host/core.c:827:19: error: 'nvme_nsid_by_bdev' undeclared here (not in a function); did you mean 'nvme_get_nsid_by_bdev'?
EXPORT_SYMBOL_GPL(nvme_nsid_by_bdev);
^
include/linux/export.h:79:16: note: in definition of macro '___EXPORT_SYMBOL'
extern typeof(sym) sym; \
^~~
>> drivers/nvme/host/core.c:827:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(nvme_nsid_by_bdev);
^~~~~~~~~~~~~~~~~

vim +827 drivers/nvme/host/core.c

814
815 int nvme_get_nsid_by_bdev(struct block_device *bdev, unsigned int *nsid)
816 {
817 struct nvme_ns *ns;
818
819 if (!bdev && !nsid)
820 return -EINVAL;
821
822 ns = bdev->bd_disk->private_data;
823 *nsid = ns->head->ns_id;
824
825 return 0;
826 }
> 827 EXPORT_SYMBOL_GPL(nvme_nsid_by_bdev);
828

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