Signed-off-by: David Sterba <dste...@suse.com>
---
fs/btrfs/ctree.h | 38 ++++++++++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 88acdffbe384..9c0fd901edbe 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -4057,16 +4057,38 @@ void btrfs_printk(const struct btrfs_fs_info *fs_info,
const char *fmt, ...)
#define btrfs_info_in_rcu(fs_info, fmt, args...) \
btrfs_printk_in_rcu(fs_info, KERN_INFO fmt, ##args)
+/*
+ * Wrappers that use a ratelimited printk_in_rcu
+ */
+#define btrfs_emerg_rl_in_rcu(fs_info, fmt, args...) \
+ btrfs_printk_rl_in_rcu(fs_info, KERN_EMERG fmt, ##args)
+#define btrfs_alert_rl_in_rcu(fs_info, fmt, args...) \
+ btrfs_printk_rl_in_rcu(fs_info, KERN_ALERT fmt, ##args)
+#define btrfs_crit_rl_in_rcu(fs_info, fmt, args...) \
+ btrfs_printk_rl_in_rcu(fs_info, KERN_CRIT fmt, ##args)
+#define btrfs_err_rl_in_rcu(fs_info, fmt, args...) \
+ btrfs_printk_rl_in_rcu(fs_info, KERN_ERR fmt, ##args)
+#define btrfs_warn_rl_in_rcu(fs_info, fmt, args...) \
+ btrfs_printk_rl_in_rcu(fs_info, KERN_WARNING fmt, ##args)
+#define btrfs_notice_rl_in_rcu(fs_info, fmt, args...) \
+ btrfs_printk_rl_in_rcu(fs_info, KERN_NOTICE fmt, ##args)
+#define btrfs_info_rl_in_rcu(fs_info, fmt, args...) \
+ btrfs_printk_rl_in_rcu(fs_info, KERN_INFO fmt, ##args)
+
#ifdef DEBUG
#define btrfs_debug(fs_info, fmt, args...) \
btrfs_printk(fs_info, KERN_DEBUG fmt, ##args)
#define btrfs_debug_in_rcu(fs_info, fmt, args...) \
btrfs_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args)
+#define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \
+ btrfs_printk_rl_in_rcu(fs_info, KERN_DEBUG fmt, ##args)
#else
#define btrfs_debug(fs_info, fmt, args...) \
no_printk(KERN_DEBUG fmt, ##args)
#define btrfs_debug_in_rcu(fs_info, fmt, args...) \
no_printk(KERN_DEBUG fmt, ##args)
+#define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \
+ no_printk(KERN_DEBUG fmt, ##args)
#endif
#define btrfs_printk_in_rcu(fs_info, fmt, args...) \
@@ -4076,6 +4098,22 @@ do {
\
rcu_read_unlock(); \
} while (0)
+#define btrfs_printk_ratelimited(fs_info, fmt, args...) \
+do { \
+ static DEFINE_RATELIMIT_STATE(_rs, \
+ DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ if (__ratelimit(&_rs)) \
+ btrfs_printk(fs_info, fmt, ##args); \
+} while (0)
+
+#define btrfs_printk_rl_in_rcu(fs_info, fmt, args...) \
+do { \
+ rcu_read_lock(); \
+ btrfs_printk_ratelimited(fs_info, fmt, ##args); \
+ rcu_read_unlock(); \
+} while (0)
+
#ifdef CONFIG_BTRFS_ASSERT
__cold
--
2.1.3
--
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