2822 static int prepend(char **buffer, int *buflen, const char *str, int namelen)  in prepend()  argument
2824 	*buflen -= namelen;  in prepend()
2825 	if (*buflen < 0)  in prepend()
2850 static int prepend_name(char **buffer, int *buflen, struct qstr *name)  in prepend_name()  argument
2858 	*buflen -= dlen + 1;  in prepend_name()
2859 	if (*buflen < 0)  in prepend_name()
2891 			char **buffer, int *buflen)  in prepend_path()  argument
2908 	blen = *buflen;  in prepend_path()
2922 				blen = *buflen;  in prepend_path()
2968 	*buflen = blen;  in prepend_path()
2990 	       char *buf, int buflen)  in __d_path()  argument
2992 	char *res = buf + buflen;  in __d_path()
2995 	prepend(&res, &buflen, "\0", 1);  in __d_path()
2996 	error = prepend_path(path, root, &res, &buflen);  in __d_path()
3006 	       char *buf, int buflen)  in d_absolute_path()  argument
3009 	char *res = buf + buflen;  in d_absolute_path()
3012 	prepend(&res, &buflen, "\0", 1);  in d_absolute_path()
3013 	error = prepend_path(path, &root, &res, &buflen);  in d_absolute_path()
3027 			     char **buf, int *buflen)  in path_with_deleted()  argument
3029 	prepend(buf, buflen, "\0", 1);  in path_with_deleted()
3031 		int error = prepend(buf, buflen, " (deleted)", 10);  in path_with_deleted()
3036 	return prepend_path(path, root, buf, buflen);  in path_with_deleted()
3039 static int prepend_unreachable(char **buffer, int *buflen)  in prepend_unreachable()  argument
3041 	return prepend(buffer, buflen, "(unreachable)", 13);  in prepend_unreachable()
3070 char *d_path(const struct path *path, char *buf, int buflen)  in d_path()  argument
3072 	char *res = buf + buflen;  in d_path()
3089 		return path->dentry->d_op->d_dname(path->dentry, buf, buflen);  in d_path()
3093 	error = path_with_deleted(path, &root, &res, &buflen);  in d_path()
3105 char *dynamic_dname(struct dentry *dentry, char *buffer, int buflen,  in dynamic_dname()  argument
3116 	if (sz > sizeof(temp) || sz > buflen)  in dynamic_dname()
3119 	buffer += buflen - sz;  in dynamic_dname()
3123 char *simple_dname(struct dentry *dentry, char *buffer, int buflen)  in simple_dname()  argument
3125 	char *end = buffer + buflen;  in simple_dname()
3127 	if (prepend(&end, &buflen, " (deleted)", 11) ||  in simple_dname()
3128 	    prepend(&end, &buflen, dentry->d_name.name, dentry->d_name.len) ||  in simple_dname()
3129 	    prepend(&end, &buflen, "/", 1))    in simple_dname()
3138 static char *__dentry_path(struct dentry *d, char *buf, int buflen)  in __dentry_path()  argument
3145 	if (buflen < 2)  in __dentry_path()
3151 	end = buf + buflen;  in __dentry_path()
3152 	len = buflen;  in __dentry_path()
3183 char *dentry_path_raw(struct dentry *dentry, char *buf, int buflen)  in dentry_path_raw()  argument
3185 	return __dentry_path(dentry, buf, buflen);  in dentry_path_raw()
3189 char *dentry_path(struct dentry *dentry, char *buf, int buflen)  in dentry_path()  argument
3195 		p = buf + buflen;  in dentry_path()
3196 		if (prepend(&p, &buflen, "//deleted", 10) != 0)  in dentry_path()
3198 		buflen++;  in dentry_path()
3200 	retval = __dentry_path(dentry, buf, buflen);  in dentry_path()
3254 		int buflen = PATH_MAX;  in SYSCALL_DEFINE2()  local
3256 		prepend(&cwd, &buflen, "\0", 1);  in SYSCALL_DEFINE2()
3257 		error = prepend_path(&pwd, &root, &cwd, &buflen);  in SYSCALL_DEFINE2()
3265 			error = prepend_unreachable(&cwd, &buflen);  in SYSCALL_DEFINE2()