212 static int ovl_set_opaque_xerr(struct dentry *dentry, struct dentry *upper,  in ovl_set_opaque_xerr()  argument
217 	err = ovl_check_setxattr(dentry, upper, OVL_XATTR_OPAQUE, "y", 1, xerr);  in ovl_set_opaque_xerr()
341 	struct dentry *upper;  in ovl_clear_empty()  local
362 	upper = upperpath.dentry;  in ovl_clear_empty()
363 	if (upper->d_parent->d_inode != udir)  in ovl_clear_empty()
371 	err = ovl_copy_xattr(upper, opaquedir);  in ovl_clear_empty()
385 	err = ovl_do_rename(wdir, opaquedir, udir, upper, RENAME_EXCHANGE);  in ovl_clear_empty()
389 	ovl_cleanup_whiteouts(upper, list);  in ovl_clear_empty()
390 	ovl_cleanup(wdir, upper);  in ovl_clear_empty()
440 	struct dentry *upper;  in ovl_create_over_whiteout()  local
460 	upper = lookup_one_len(dentry->d_name.name, upperdir,  in ovl_create_over_whiteout()
462 	err = PTR_ERR(upper);  in ovl_create_over_whiteout()
463 	if (IS_ERR(upper))  in ovl_create_over_whiteout()
504 		err = ovl_do_rename(wdir, newdentry, udir, upper,  in ovl_create_over_whiteout()
509 		ovl_cleanup(wdir, upper);  in ovl_create_over_whiteout()
511 		err = ovl_do_rename(wdir, newdentry, udir, upper, 0);  in ovl_create_over_whiteout()
519 	dput(upper);  in ovl_create_over_whiteout()
692 static bool ovl_matches_upper(struct dentry *dentry, struct dentry *upper)  in ovl_matches_upper()  argument
694 	return d_inode(ovl_dentry_upper(dentry)) == d_inode(upper);  in ovl_matches_upper()
702 	struct dentry *upper;  in ovl_remove_and_whiteout()  local
720 	upper = lookup_one_len(dentry->d_name.name, upperdir,  in ovl_remove_and_whiteout()
722 	err = PTR_ERR(upper);  in ovl_remove_and_whiteout()
723 	if (IS_ERR(upper))  in ovl_remove_and_whiteout()
727 	if ((opaquedir && upper != opaquedir) ||  in ovl_remove_and_whiteout()
729 	     !ovl_matches_upper(dentry, upper))) {  in ovl_remove_and_whiteout()
733 	err = ovl_cleanup_and_whiteout(workdir, d_inode(upperdir), upper);  in ovl_remove_and_whiteout()
741 	dput(upper);  in ovl_remove_and_whiteout()
755 	struct dentry *upper;  in ovl_remove_upper()  local
767 	upper = lookup_one_len(dentry->d_name.name, upperdir,  in ovl_remove_upper()
769 	err = PTR_ERR(upper);  in ovl_remove_upper()
770 	if (IS_ERR(upper))  in ovl_remove_upper()
774 	if ((opaquedir && upper != opaquedir) ||  in ovl_remove_upper()
775 	    (!opaquedir && !ovl_matches_upper(dentry, upper)))  in ovl_remove_upper()
779 		err = vfs_rmdir(dir, upper);  in ovl_remove_upper()
781 		err = vfs_unlink(dir, upper, NULL);  in ovl_remove_upper()
793 	dput(upper);  in ovl_remove_upper()