111 /* Verify lower origin on lookup. For now only enabled for NFS export */
231 		 * Non-dir dentry can hold lower dentry of its copy up origin.  in ovl_path_type()
338  * lower dentry which has data (and not metacopy dentry). This helper
339  * returns the lower data dentry.
413 /* Return inode which contains lower data. Do not return metacopy */
650  * Use this over ovl_is_whiteout for upper and lower files, as it also
730  * but leaves taking freeze protection on upper sb to lower level helpers.
1060 	struct dentry *lower = ovl_dentry_lower(dentry);  in ovl_need_index()  local
1062 	if (!lower || !ovl_indexdir(dentry->d_sb))  in ovl_need_index()
1069 	/* Index only lower hardlinks on copy up */  in ovl_need_index()
1070 	if (!d_is_dir(lower) && d_inode(lower)->i_nlink > 1)  in ovl_need_index()
1103 		 * We either have a bug with persistent union nlink or a lower  in ovl_cleanup_index()
1104 		 * hardlink was added while overlay is mounted. Adding a lower  in ovl_cleanup_index()
1158 	 * in an xattr on the index inode. When whiting out an indexed lower,  in ovl_nlink_start()
1162 	 * As a workaround, before whiteout/rename over an indexed lower,  in ovl_nlink_start()
1435 		pr_warn_ratelimited("lower file '%pd' failed to load fs-verity info\n",  in ovl_validate_verity()
1443 		pr_warn_ratelimited("lower file '%pd' has no fs-verity digest\n", datapath->dentry);  in ovl_validate_verity()
1450 		pr_warn_ratelimited("lower file '%pd' has the wrong fs-verity digest\n",  in ovl_validate_verity()
1468 		pr_warn_ratelimited("lower file '%pd' failed to load fs-verity info\n",  in ovl_get_verity_digest()
1478 			pr_warn_ratelimited("lower file '%pd' has no fs-verity digest\n",  in ovl_get_verity_digest()
1519  * When overlay copies inode information from an upper or lower layer to the
1520  * relevant overlay inode it will apply the idmapping of the upper or lower
1522  * reflect the ownership of the idmapped upper or lower layer. For example, an
1523  * idmapped upper or lower layer mapping id 1001 to id 1000 will take care to
1524  * map any lower or upper inode owned by id 1001 to id 1000. These mapping