[djwong-xfs:fuse-iomap-bpf 72/73] fs/fuse/fuse_iomap_bpf.c:293:1: sparse: sparse: symbol 'fuse_bpf_iomap_inval_mappings' was not declared. Should it be static?

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git fuse-iomap-bpf
head:   7815cf2d85bdc74581749a4c7b2ef1a639ba07fe
commit: e452086291368868913da98b03d32bbe2b4c872f [72/73] fuse: add kfuncs for iomap bpf programs to manage the cache
config: arc-randconfig-r132-20260414 (https://download.01.org/0day-ci/archive/20260415/202604150118.RodbHVwJ-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 11.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260415/202604150118.RodbHVwJ-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/202604150118.RodbHVwJ-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   fs/fuse/fuse_iomap_bpf.c:228:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct atomic_t const [usertype] *v @@     got struct atomic_t [noderef] __rcu * @@
   fs/fuse/fuse_iomap_bpf.c:228:17: sparse:     expected struct atomic_t const [usertype] *v
   fs/fuse/fuse_iomap_bpf.c:228:17: sparse:     got struct atomic_t [noderef] __rcu *
   fs/fuse/fuse_iomap_bpf.c:230:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct fuse_iomap_bpf_ops *ops @@     got struct fuse_iomap_bpf_ops [noderef] __rcu *bpf_ops @@
   fs/fuse/fuse_iomap_bpf.c:230:59: sparse:     expected struct fuse_iomap_bpf_ops *ops
   fs/fuse/fuse_iomap_bpf.c:230:59: sparse:     got struct fuse_iomap_bpf_ops [noderef] __rcu *bpf_ops
   fs/fuse/fuse_iomap_bpf.c:241:52: sparse: sparse: incompatible types in comparison expression (different address spaces):
   fs/fuse/fuse_iomap_bpf.c:241:52: sparse:    struct fuse_iomap_bpf_ops [noderef] __rcu *
   fs/fuse/fuse_iomap_bpf.c:241:52: sparse:    struct fuse_iomap_bpf_ops *
>> fs/fuse/fuse_iomap_bpf.c:293:1: sparse: sparse: symbol 'fuse_bpf_iomap_inval_mappings' was not declared. Should it be static?
>> fs/fuse/fuse_iomap_bpf.c:318:1: sparse: sparse: symbol 'fuse_bpf_iomap_upsert_mappings' was not declared. Should it be static?
   fs/fuse/fuse_iomap_bpf.c:371:1: sparse: sparse: symbol 'btf_fuse_iomap_bpf_ops_id' was not declared. Should it be static?
   fs/fuse/fuse_iomap_bpf.c:373:1: sparse: sparse: symbol 'btf_fuse_iomap_begin_out_id' was not declared. Should it be static?
   fs/fuse/fuse_iomap_bpf.c:375:1: sparse: sparse: symbol 'btf_fuse_iomap_ioend_out_id' was not declared. Should it be static?

vim +/fuse_bpf_iomap_inval_mappings +293 fs/fuse/fuse_iomap_bpf.c

   291	
   292	__bpf_kfunc int
 > 293	fuse_bpf_iomap_inval_mappings(struct fuse_inode *fi,
   294				      const struct fuse_range *read__nullable,
   295				      const struct fuse_range *write__nullable)
   296	{
   297		struct fuse_iomap_inval_mappings_out outarg = {
   298			.nodeid = fi->nodeid,
   299			.attr_ino = fi->orig_ino,
   300		};
   301		struct inode *inode = &fi->inode;
   302		struct fuse_conn *fc = get_fuse_conn(inode);
   303	
   304		if (!fc->iomap)
   305			return -EOPNOTSUPP;
   306	
   307		if (read__nullable)
   308			memcpy(&outarg.read, read__nullable, sizeof(outarg.read));
   309		if (write__nullable)
   310			memcpy(&outarg.write, write__nullable, sizeof(outarg.write));
   311	
   312		trace_fuse_iomap_inval_mappings(inode, &outarg);
   313	
   314		return fuse_iomap_inval_inode(inode, &outarg);
   315	}
   316	
   317	__bpf_kfunc int
 > 318	fuse_bpf_iomap_upsert_mappings(struct fuse_inode *fi,
   319				       const struct fuse_iomap_io *read__nullable,
   320				       const struct fuse_iomap_io *write__nullable)
   321	{
   322		struct fuse_iomap_upsert_mappings_out outarg = {
   323			.nodeid = fi->nodeid,
   324			.attr_ino = fi->orig_ino,
   325			.read.type = FUSE_IOMAP_TYPE_NOCACHE,
   326			.write.type = FUSE_IOMAP_TYPE_NOCACHE,
   327		};
   328		struct inode *inode = &fi->inode;
   329		struct fuse_conn *fc = get_fuse_conn(inode);
   330	
   331		if (!fc->iomap)
   332			return -EOPNOTSUPP;
   333	
   334		if (read__nullable)
   335			memcpy(&outarg.read, read__nullable, sizeof(outarg.read));
   336		if (write__nullable)
   337			memcpy(&outarg.write, write__nullable, sizeof(outarg.write));
   338	
   339		trace_fuse_iomap_upsert_mappings(inode, &outarg);
   340	
   341		return fuse_iomap_upsert_inode(inode, &outarg);
   342	}
   343	

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