1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2012 Red Hat. All rights reserved.
6 #ifndef BTRFS_RCU_STRING_H
7 #define BTRFS_RCU_STRING_H
14 static inline struct rcu_string *rcu_string_strdup(const char *src, gfp_t mask)
16 size_t len = strlen(src) + 1;
17 struct rcu_string *ret = kzalloc(sizeof(struct rcu_string) +
18 (len * sizeof(char)), mask);
21 strncpy(ret->str, src, len);
25 static inline void rcu_string_free(struct rcu_string *str)
31 #define printk_in_rcu(fmt, ...) do { \
33 printk(fmt, __VA_ARGS__); \
37 #define printk_ratelimited_in_rcu(fmt, ...) do { \
39 printk_ratelimited(fmt, __VA_ARGS__); \
43 #define rcu_str_deref(rcu_str) ({ \
44 struct rcu_string *__str = rcu_dereference(rcu_str); \