153 	 * We cannot set immutable and append-only flags on upper inode,  in ovl_copy_fileattr()
154 	 * because we would not be able to link upper inode to upper dir  in ovl_copy_fileattr()
155 	 * not set overlay private xattr on upper inode.  in ovl_copy_fileattr()
161 			pr_warn_once("copying fileattr: no xattr on upper\n");  in ovl_copy_fileattr()
173 		 * Returning an error if upper doesn't support fileattr will  in ovl_copy_fileattr()
177 			pr_warn_once("copying fileattr: no support on upper\n");  in ovl_copy_fileattr()
180 		pr_warn("failed to retrieve upper fileattr (%pd2, err=%i)\n",  in ovl_copy_fileattr()
393 		   struct dentry *upper)  in ovl_set_origin()  argument
401 	 * up and a pure upper inode.  in ovl_set_origin()
410 	 * Do not fail when upper doesn't support xattrs.  in ovl_set_origin()
412 	err = ovl_check_setxattr(ofs, upper, OVL_XATTR_ORIGIN, fh->buf,  in ovl_set_origin()
420 /* Store file handle of @upper dir in @index dir entry */
421 static int ovl_set_upper_fh(struct ovl_fs *ofs, struct dentry *upper,  in ovl_set_upper_fh()  argument
427 	fh = ovl_encode_real_fh(ofs, upper, true);  in ovl_set_upper_fh()
443 			    struct dentry *upper)  in ovl_create_index()  argument
456 	 * to upper dir.  in ovl_create_index()
477 	err = ovl_set_upper_fh(ofs, upper, temp);  in ovl_create_index()
515 	struct dentry *upper;  in ovl_link_up()  local
520 	/* Mark parent "impure" because it may now contain non-pure upper */  in ovl_link_up()
530 	upper = ovl_lookup_upper(ofs, c->dentry->d_name.name, upperdir,  in ovl_link_up()
532 	err = PTR_ERR(upper);  in ovl_link_up()
533 	if (!IS_ERR(upper)) {  in ovl_link_up()
534 		err = ovl_do_link(ofs, ovl_dentry_upper(c->dentry), udir, upper);  in ovl_link_up()
535 		dput(upper);  in ovl_link_up()
593 	 * Store identifier of lower inode in upper inode xattr to  in ovl_copy_up_metadata()
652  * special files or when upper fs doesn't support O_TMPFILE.
660 	struct dentry *temp, *upper;  in ovl_copy_up_workdir()  local
705 	upper = ovl_lookup_upper(ofs, c->destname.name, c->destdir,  in ovl_copy_up_workdir()
707 	err = PTR_ERR(upper);  in ovl_copy_up_workdir()
708 	if (IS_ERR(upper))  in ovl_copy_up_workdir()
711 	err = ovl_do_rename(ofs, wdir, temp, udir, upper, 0);  in ovl_copy_up_workdir()
712 	dput(upper);  in ovl_copy_up_workdir()
738 	struct dentry *temp, *upper;  in ovl_copy_up_tmpfile()  local
766 	upper = ovl_lookup_upper(ofs, c->destname.name, c->destdir,  in ovl_copy_up_tmpfile()
768 	err = PTR_ERR(upper);  in ovl_copy_up_tmpfile()
769 	if (!IS_ERR(upper)) {  in ovl_copy_up_tmpfile()
770 		err = ovl_do_link(ofs, temp, udir, upper);  in ovl_copy_up_tmpfile()
771 		dput(upper);  in ovl_copy_up_tmpfile()
792  * upper parent i_mutex for exclusion.  Since rename can change d_parent it
804 	 * hardlinked to upper dir. Indexed dir is copied up to indexdir,  in ovl_do_copy_up()
830 		 * upper  in ovl_do_copy_up()
933 	 * Writing to upper file will clear security.capability xattr. We  in ovl_copy_up_meta_inode_data()
1028 	 * linking it to upper dir.  in ovl_copy_up_flags()
1065 	/* Copy up of disconnected dentry does not set upper alias */  in ovl_open_need_copy_up()