49 		 * that will stop further lookup in lower layers (d->stop=true)  in ovl_check_redirect()
51 		 * element and that should force continue lookup in lower  in ovl_check_redirect()
169 	 * Make sure that the stored uuid matches the uuid of the lower  in ovl_decode_real_fh()
184 		 * Treat stale file handle to lower file as "origin unknown".  in ovl_decode_real_fh()
383 	/* Only regular file is acceptable as lower data */  in ovl_lookup_data_layer()
427 		 * If lower fs uuid is not unique among lower fs we cannot match  in ovl_check_origin_fh()
599  * OVL_XATTR_ORIGIN and that origin file handle can be decoded to lower path.
719  * Lookup in indexdir for the index entry of a lower real inode or a copy up
720  * origin inode. The index entry name is the hex representation of the lower
723  * If the index dentry in negative, then either no lower aliases have been
823 		 * index should only exist if all lower aliases have been  in ovl_lookup_index()
824 		 * unlinked, which means that finding a lower origin on lookup  in ovl_lookup_index()
894 			  struct dentry *lower, struct dentry *upper)  in ovl_fix_origin()  argument
902 	fh = ovl_get_origin_fh(ofs, lower);  in ovl_fix_origin()
1081 			 * connected dentry, that is not under any of the lower  in ovl_lookup()
1084 			 * to a dentry in lower layer that was moved under us.  in ovl_lookup()
1114 		struct ovl_path lower = ovl_lowerstack(poe)[i];  in ovl_lookup()  local
1119 			d.last = lower.layer->idx == ovl_numlower(roe);  in ovl_lookup()
1121 		d.layer = lower.layer;  in ovl_lookup()
1122 		err = ovl_lookup_layer(lower.dentry, &d, &this, false);  in ovl_lookup()
1138 		 * of lower dir and set upper parent "impure".  in ovl_lookup()
1150 		 * lower dir that does not match a stored origin xattr. In any  in ovl_lookup()
1176 			 * lower chain, except top most lower metacopy dentry.  in ovl_lookup()
1184 			stack[ctr].layer = lower.layer;  in ovl_lookup()
1190 		 * a symlink into the lower layer without the permission checks.  in ovl_lookup()
1211 			i = lower.layer->idx - 1;  in ovl_lookup()
1222 	 * For regular non-metacopy upper dentries, there is no lower  in ovl_lookup()
1226 	 * For metacopy dentry, path based lookup will find lower dentries.  in ovl_lookup()
1230 		pr_warn_ratelimited("metacopy with no lower data found - abort lookup (%pd2)\n",  in ovl_lookup()
1251 	 * For directories, lookup index by lower inode and verify it matches  in ovl_lookup()
1252 	 * upper inode. We only trust dir index if we verified that lower dir  in ovl_lookup()
1258 	 * based dentry lookup in lower in this case.  in ovl_lookup()
1381 	 * If dentry is negative, then lower is positive iff this is a  in ovl_lower_positive()
1387 	/* Negative upper -> positive lower */  in ovl_lower_positive()
1392 	/* Positive upper -> have to look up lower to see whether it exists */  in ovl_lower_positive()