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Date:   Fri, 8 Jan 2021 14:46:36 +0800
From:   kernel test robot <>
To:     Gioh Kim <>
        Jens Axboe <>,
        Jack Wang <>
Subject: drivers/block/rnbd/rnbd-clt.c:387:2: error: implicit declaration of
 function 'sg_free_table_chained'

tree: master
head:   f5e6c330254ae691f6d7befe61c786eb5056007e
commit: 5a1328d0c3a757cdd8c65f4dfe0a02502a5810bc block/rnbd-clt: Dynamically allocate sglist for rnbd_iu
date:   3 weeks ago
config: parisc-randconfig-r011-20210108 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add linus
        git fetch --no-tags linus master
        git checkout 5a1328d0c3a757cdd8c65f4dfe0a02502a5810bc
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <>

All errors (new ones prefixed by >>):

   drivers/block/rnbd/rnbd-clt.c: In function 'rnbd_softirq_done_fn':
>> drivers/block/rnbd/rnbd-clt.c:387:2: error: implicit declaration of function 'sg_free_table_chained' [-Werror=implicit-function-declaration]
     387 |  sg_free_table_chained(&iu->sgt, RNBD_INLINE_SG_CNT);
         |  ^~~~~~~~~~~~~~~~~~~~~
   drivers/block/rnbd/rnbd-clt.c: In function 'rnbd_queue_rq':
>> drivers/block/rnbd/rnbd-clt.c:1142:8: error: implicit declaration of function 'sg_alloc_table_chained'; did you mean 'sg_alloc_table'? [-Werror=implicit-function-declaration]
    1142 |  err = sg_alloc_table_chained(&iu->sgt,
         |        ^~~~~~~~~~~~~~~~~~~~~~
         |        sg_alloc_table
   cc1: some warnings being treated as errors

vim +/sg_free_table_chained +387 drivers/block/rnbd/rnbd-clt.c

   380	static void rnbd_softirq_done_fn(struct request *rq)
   381	{
   382		struct rnbd_clt_dev *dev	= rq->rq_disk->private_data;
   383		struct rnbd_clt_session *sess	= dev->sess;
   384		struct rnbd_iu *iu;
   386		iu = blk_mq_rq_to_pdu(rq);
 > 387		sg_free_table_chained(&iu->sgt, RNBD_INLINE_SG_CNT);
   388		rnbd_put_permit(sess, iu->permit);
   389		blk_mq_end_request(rq, errno_to_blk_status(iu->errno));
   390	}

0-DAY CI Kernel Test Service, Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (36780 bytes)

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