linux-kernel - Re: [PATCH] Revert "virtio-blk: support completion batching for the IRQ path"

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Message-ID: <202306090826.C1fZmdMe-lkp@intel.com>
Date:   Fri, 9 Jun 2023 08:45:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>, linux-kernel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev,
        "Roberts, Martin" <martin.roberts@...el.com>,
        Jason Wang <jasowang@...hat.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Jens Axboe <axboe@...nel.dk>,
        virtualization@...ts.linux-foundation.org,
        linux-block@...r.kernel.org, Suwan Kim <suwan.kim027@...il.com>
Subject: Re: [PATCH] Revert "virtio-blk: support completion batching for the
 IRQ path"

Hi Michael,

kernel test robot noticed the following build errors:

[auto build test ERROR on axboe-block/for-next]
[also build test ERROR on linus/master v6.4-rc5 next-20230608]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Michael-S-Tsirkin/Revert-virtio-blk-support-completion-batching-for-the-IRQ-path/20230609-054840
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
patch link:    https://lore.kernel.org/r/9443f7273fbba6e62f89e54cbb2a70d2c93ed8e9.1686260774.git.mst%40redhat.com
patch subject: [PATCH] Revert "virtio-blk: support completion batching for the IRQ path"
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230609/202306090826.C1fZmdMe-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
        git fetch axboe-block for-next
        git checkout axboe-block/for-next
        b4 shazam https://lore.kernel.org/r/9443f7273fbba6e62f89e54cbb2a70d2c93ed8e9.1686260774.git.mst@redhat.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=alpha olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash drivers/

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306090826.C1fZmdMe-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/block/virtio_blk.c: In function 'virtblk_poll':
>> drivers/block/virtio_blk.c:1283:55: error: 'struct virtblk_req' has no member named 'status'
    1283 |                     !blk_mq_add_to_batch(req, iob, vbr->status,
         |                                                       ^~


vim +1283 drivers/block/virtio_blk.c

  1266	
  1267	static int virtblk_poll(struct blk_mq_hw_ctx *hctx, struct io_comp_batch *iob)
  1268	{
  1269		struct virtio_blk *vblk = hctx->queue->queuedata;
  1270		struct virtio_blk_vq *vq = get_virtio_blk_vq(hctx);
  1271		struct virtblk_req *vbr;
  1272		unsigned long flags;
  1273		unsigned int len;
  1274		int found = 0;
  1275	
  1276		spin_lock_irqsave(&vq->lock, flags);
  1277	
  1278		while ((vbr = virtqueue_get_buf(vq->vq, &len)) != NULL) {
  1279			struct request *req = blk_mq_rq_from_pdu(vbr);
  1280	
  1281			found++;
  1282			if (!blk_mq_complete_request_remote(req) &&
> 1283			    !blk_mq_add_to_batch(req, iob, vbr->status,
  1284							virtblk_complete_batch))
  1285				virtblk_request_done(req);
  1286		}
  1287	
  1288		if (found)
  1289			blk_mq_start_stopped_hw_queues(vblk->disk->queue, true);
  1290	
  1291		spin_unlock_irqrestore(&vq->lock, flags);
  1292	
  1293		return found;
  1294	}
  1295	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki