[mcgrof:blk-iobuf-pool-v5 6/9] block/ioctl.c:958:8: error: call to undeclared function 'blk_uring_cmd_alloc_iobuf'; ISO C99 and later do not support implicit function declarations

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git blk-iobuf-pool-v5
head:   de80bacbf04a137715357b6a2948d9f29a18d990
commit: 37ff77d98dbfae93b246dadfe1d25b768b9e8798 [6/9] block: add a uring command for pool-backed fixed buffers
config: arm-pxa168_defconfig (https://download.01.org/0day-ci/archive/20260728/202607282211.C9sCcdUM-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 890b11e09e45e9d8b29f2f94f22052be3934e757)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260728/202607282211.C9sCcdUM-lkp@intel.com/reproduce)

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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607282211.C9sCcdUM-lkp@intel.com/

All errors (new ones prefixed by >>):

>> block/ioctl.c:958:8: error: call to undeclared function 'blk_uring_cmd_alloc_iobuf'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     958 |         ret = blk_uring_cmd_alloc_iobuf(cmd, pool, buf_index, len, issue_flags);
         |               ^
   block/ioctl.c:958:8: note: did you mean 'blkdev_cmd_alloc_iobuf'?
   block/ioctl.c:948:12: note: 'blkdev_cmd_alloc_iobuf' declared here
     948 | static int blkdev_cmd_alloc_iobuf(struct io_uring_cmd *cmd,
         |            ^
     949 |                                   struct block_device *bdev, u64 buf_index,
     950 |                                   u64 len, unsigned int issue_flags)
     951 | {
     952 |         struct blk_iobuf_pool *pool;
     953 |         int ret;
     954 | 
     955 |         pool = blk_queue_get_iobuf_pool(bdev_get_queue(bdev));
     956 |         if (!pool)
     957 |                 return -EOPNOTSUPP;
     958 |         ret = blk_uring_cmd_alloc_iobuf(cmd, pool, buf_index, len, issue_flags);
         |               ~~~~~~~~~~~~~~~~~~~~~~~~~
         |               blkdev_cmd_alloc_iobuf
   1 error generated.


vim +/blk_uring_cmd_alloc_iobuf +958 block/ioctl.c

   947	
   948	static int blkdev_cmd_alloc_iobuf(struct io_uring_cmd *cmd,
   949					  struct block_device *bdev, u64 buf_index,
   950					  u64 len, unsigned int issue_flags)
   951	{
   952		struct blk_iobuf_pool *pool;
   953		int ret;
   954	
   955		pool = blk_queue_get_iobuf_pool(bdev_get_queue(bdev));
   956		if (!pool)
   957			return -EOPNOTSUPP;
 > 958		ret = blk_uring_cmd_alloc_iobuf(cmd, pool, buf_index, len, issue_flags);
   959		blk_iobuf_pool_put(pool);
   960		return ret;
   961	}
   962	

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