[block:io_uring-fops.v7 6/8] fs/block_dev.c:344:10: error: implicit declaration of function 'blkdev_uring_ioctl'; did you mean 'blkdev_async_ioctl'?

From: kernel test robot
Date: Wed Sep 08 2021 - 15:31:20 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git io_uring-fops.v7
head: 733ce76b0107afe87534cfdd5403594ccef3bbe9
commit: e9640aeebe88d42bf792d7ad773498d7f001b453 [6/8] block: add example ioctl
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=e9640aeebe88d42bf792d7ad773498d7f001b453
git remote add block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
git fetch --no-tags block io_uring-fops.v7
git checkout e9640aeebe88d42bf792d7ad773498d7f001b453
# save the attached .config to linux build tree
make W=1 ARCH=um SUBARCH=x86_64

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

All errors (new ones prefixed by >>):

fs/block_dev.c: In function 'blkdev_async_cmd':
>> fs/block_dev.c:344:10: error: implicit declaration of function 'blkdev_uring_ioctl'; did you mean 'blkdev_async_ioctl'? [-Werror=implicit-function-declaration]
344 | return blkdev_uring_ioctl(bdev, cmd);
| ^~~~~~~~~~~~~~~~~~
| blkdev_async_ioctl
At top level:
fs/block_dev.c:324:12: warning: 'blkdev_async_ioctl' defined but not used [-Wunused-function]
324 | static int blkdev_async_ioctl(struct block_device *bdev,
| ^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors


vim +344 fs/block_dev.c

336
337 static int blkdev_async_cmd(struct io_uring_cmd *cmd,
338 enum io_uring_cmd_flags flags)
339 {
340 struct block_device *bdev = I_BDEV(cmd->file->f_mapping->host);
341
342 switch (cmd->op) {
343 case BLOCK_URING_OP_IOCTL:
> 344 return blkdev_uring_ioctl(bdev, cmd);
345 default:
346 break;
347 }
348
349 return blk_uring_cmd(bdev, cmd, flags);
350 }
351

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Attachment: .config.gz
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