[axboe-block:perf-wip 13/20] drivers/block/rnbd/rnbd-clt.c:1226:27: error: initialization of 'int (*)(struct blk_mq_hw_ctx *, struct io_batch *)' from incompatible pointer type 'int (*)(struct blk_mq_hw_ctx *)'

From: kernel test robot
Date: Fri Oct 08 2021 - 11:14:27 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git perf-wip
head: ba7751cd7411b7aaffd07728bd7cd6eeb890865d
commit: c5b891d342f43c8e486be3aeacd5ee61298d3561 [13/20] block: add a struct io_batch argument to fops->iopoll()
config: h8300-randconfig-r004-20211008 (attached as .config)
compiler: h8300-linux-gcc (GCC) 11.2.0
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
# https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=c5b891d342f43c8e486be3aeacd5ee61298d3561
git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
git fetch --no-tags axboe-block perf-wip
git checkout c5b891d342f43c8e486be3aeacd5ee61298d3561
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=h8300

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

All errors (new ones prefixed by >>):

>> drivers/block/rnbd/rnbd-clt.c:1226:27: error: initialization of 'int (*)(struct blk_mq_hw_ctx *, struct io_batch *)' from incompatible pointer type 'int (*)(struct blk_mq_hw_ctx *)' [-Werror=incompatible-pointer-types]
1226 | .poll = rnbd_rdma_poll,
| ^~~~~~~~~~~~~~
drivers/block/rnbd/rnbd-clt.c:1226:27: note: (near initialization for 'rnbd_mq_ops.poll')
cc1: some warnings being treated as errors
--
>> drivers/nvme/host/tcp.c:2457:27: error: initialization of 'int (*)(struct blk_mq_hw_ctx *, struct io_batch *)' from incompatible pointer type 'int (*)(struct blk_mq_hw_ctx *)' [-Werror=incompatible-pointer-types]
2457 | .poll = nvme_tcp_poll,
| ^~~~~~~~~~~~~
drivers/nvme/host/tcp.c:2457:27: note: (near initialization for 'nvme_tcp_mq_ops.poll')
cc1: some warnings being treated as errors


vim +1226 drivers/block/rnbd/rnbd-clt.c

2958a995edc946 Gioh Kim 2021-04-19 1221
f7a7a5c228d45e Jack Wang 2020-05-11 1222 static struct blk_mq_ops rnbd_mq_ops = {
f7a7a5c228d45e Jack Wang 2020-05-11 1223 .queue_rq = rnbd_queue_rq,
f7a7a5c228d45e Jack Wang 2020-05-11 1224 .complete = rnbd_softirq_done_fn,
2958a995edc946 Gioh Kim 2021-04-19 1225 .map_queues = rnbd_rdma_map_queues,
2958a995edc946 Gioh Kim 2021-04-19 @1226 .poll = rnbd_rdma_poll,
f7a7a5c228d45e Jack Wang 2020-05-11 1227 };
f7a7a5c228d45e Jack Wang 2020-05-11 1228

:::::: The code at line 1226 was first introduced by commit
:::::: 2958a995edc94654df690318df7b9b49e5a3ef88 block/rnbd-clt: Support polling mode for IO latency optimization

:::::: TO: Gioh Kim <gi-oh.kim@xxxxxxxxxxxxxxx>
:::::: CC: Jens Axboe <axboe@xxxxxxxxx>

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

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