[dhowells-fs:fscache-iter-2 48/53] fs/afs/inode.c:800:34: sparse: sparse: incorrect type in assignment (different base types)

[dhowells-fs:fscache-iter-2 48/53] fs/afs/inode.c:800:34: sparse: sparse: incorrect type in assignment (different base types)

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git fscache-iter-2
head:   b285c26894d96d708ee746d56df1519e42baaeb4
commit: 5aca0de864c65bff0f0ac939b8c091b00e355e62 [48/53] afs: Copy local writes to the cache when writing to the server
config: x86_64-randconfig-s022-20210524 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=5aca0de864c65bff0f0ac939b8c091b00e355e62
        git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
        git fetch --no-tags dhowells-fs fscache-iter-2
        git checkout 5aca0de864c65bff0f0ac939b8c091b00e355e62
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 

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


sparse warnings: (new ones prefixed by >>)
>> fs/afs/inode.c:800:34: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be64 [usertype] data_version @@     got unsigned long long [usertype] data_version @@
   fs/afs/inode.c:800:34: sparse:     expected restricted __be64 [usertype] data_version
   fs/afs/inode.c:800:34: sparse:     got unsigned long long [usertype] data_version
   fs/afs/inode.c:659:22: sparse: sparse: context imbalance in 'afs_check_validity' - different lock contexts for basic block
   fs/afs/inode.c:762:22: sparse: sparse: context imbalance in 'afs_getattr' - different lock contexts for basic block
--
>> fs/afs/write.c:984:54: sparse: sparse: incorrect type in initializer (different base types) @@     expected restricted __be64 [usertype] data_version @@     got unsigned long long [usertype] data_version @@
   fs/afs/write.c:984:54: sparse:     expected restricted __be64 [usertype] data_version
   fs/afs/write.c:984:54: sparse:     got unsigned long long [usertype] data_version

vim +800 fs/afs/inode.c

   778	
   779	/*
   780	 * clear an AFS inode
   781	 */
   782	void afs_evict_inode(struct inode *inode)
   783	{
   784		struct afs_vnode *vnode = AFS_FS_I(inode);
   785	
   786		_enter("{%llx:%llu.%d}",
   787		       vnode->fid.vid,
   788		       vnode->fid.vnode,
   789		       vnode->fid.unique);
   790	
   791		_debug("CLEAR INODE %p", inode);
   792	
   793		ASSERTCMP(inode->i_ino, ==, vnode->fid.vnode);
   794	
   795		truncate_inode_pages_final(&inode->i_data);
   796	
   797		if (inode->i_state & I_PINNING_FSCACHE_WB) {
   798			struct afs_vnode_cache_aux aux;
   799			loff_t i_size = i_size_read(&vnode->vfs_inode);
 > 800			aux.data_version = vnode->status.data_version;
   801			fscache_unuse_cookie(afs_vnode_cache(vnode), &aux, &i_size);
   802		}
   803		clear_inode(inode);
   804	
   805		while (!list_empty(&vnode->wb_keys)) {
   806			struct afs_wb_key *wbk = list_entry(vnode->wb_keys.next,
   807							    struct afs_wb_key, vnode_link);
   808			list_del(&wbk->vnode_link);
   809			afs_put_wb_key(wbk);
   810		}
   811	

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

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