[linux-nvme:nvme-5.14 27/28] drivers/nvme/host/pci.c:539:7: error: implicit declaration of function 'nvme_ctrl_sgl_supported'

From: kernel test robot <lkp@intel.com>
To: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Cc: kbuild-all@lists.01.org, linux-nvme@lists.infradead.org,
	Christoph Hellwig <hch@lst.de>
Subject: [linux-nvme:nvme-5.14 27/28] drivers/nvme/host/pci.c:539:7: error: implicit declaration of function 'nvme_ctrl_sgl_supported'
Date: Wed, 9 Jun 2021 05:30:02 +0800	[thread overview]
Message-ID: <202106090556.FQr8aEIa-lkp@intel.com> (raw)

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tree:   git://git.infradead.org/nvme.git nvme-5.14
head:   b0386eb167134d958f1876a1a7e39e113385c516
commit: a854c5eb4e959f0dfc6e1c22b51128ac68bc051c [27/28] nvme-pci: use helper for ctrl sgl check
config: sparc-randconfig-r024-20210608 (attached as .config)
compiler: sparc-linux-gcc (GCC) 9.3.0
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
        git remote add linux-nvme git://git.infradead.org/nvme.git
        git fetch --no-tags linux-nvme nvme-5.14
        git checkout a854c5eb4e959f0dfc6e1c22b51128ac68bc051c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

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/nvme/host/pci.c: In function 'nvme_pci_use_sgls':
>> drivers/nvme/host/pci.c:539:7: error: implicit declaration of function 'nvme_ctrl_sgl_supported' [-Werror=implicit-function-declaration]
     539 |  if (!nvme_ctrl_sgl_supported(&dev->ctrl))
         |       ^~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/nvme_ctrl_sgl_supported +539 drivers/nvme/host/pci.c

   530	
   531	static inline bool nvme_pci_use_sgls(struct nvme_dev *dev, struct request *req)
   532	{
   533		struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
   534		int nseg = blk_rq_nr_phys_segments(req);
   535		unsigned int avg_seg_size;
   536	
   537		avg_seg_size = DIV_ROUND_UP(blk_rq_payload_bytes(req), nseg);
   538	
 > 539		if (!nvme_ctrl_sgl_supported(&dev->ctrl))
   540			return false;
   541		if (!iod->nvmeq->qid)
   542			return false;
   543		if (!sgl_threshold || avg_seg_size < sgl_threshold)
   544			return false;
   545		return true;
   546	}
   547	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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