add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/xfs/xfs_message.h
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@@ -31,14 +31,26 @@
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 }
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 #endif
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-#define xfs_printk_ratelimited(func, dev, fmt, ...)		\
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+#define xfs_printk_ratelimited(func, dev, fmt, ...)			\
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 do {									\
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 	static DEFINE_RATELIMIT_STATE(_rs,				\
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 				      DEFAULT_RATELIMIT_INTERVAL,	\
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 				      DEFAULT_RATELIMIT_BURST);		\
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 	if (__ratelimit(&_rs))						\
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-		func(dev, fmt, ##__VA_ARGS__);			\
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+		func(dev, fmt, ##__VA_ARGS__);				\
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 } while (0)
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+
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+#define xfs_printk_once(func, dev, fmt, ...)			\
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+({								\
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+	static bool __section(".data.once") __print_once;	\
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+	bool __ret_print_once = !__print_once; 			\
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+								\
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+	if (!__print_once) {					\
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+		__print_once = true;				\
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+		func(dev, fmt, ##__VA_ARGS__);			\
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+	}							\
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+	unlikely(__ret_print_once);				\
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+})
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 #define xfs_emerg_ratelimited(dev, fmt, ...)				\
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 	xfs_printk_ratelimited(xfs_emerg, dev, fmt, ##__VA_ARGS__)
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@@ -57,9 +69,17 @@
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 #define xfs_debug_ratelimited(dev, fmt, ...)				\
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 	xfs_printk_ratelimited(xfs_debug, dev, fmt, ##__VA_ARGS__)
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-extern void assfail(char *expr, char *f, int l);
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-extern void asswarn(char *expr, char *f, int l);
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+#define xfs_warn_once(dev, fmt, ...)				\
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+	xfs_printk_once(xfs_warn, dev, fmt, ##__VA_ARGS__)
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+#define xfs_notice_once(dev, fmt, ...)				\
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+	xfs_printk_once(xfs_notice, dev, fmt, ##__VA_ARGS__)
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-extern void xfs_hex_dump(void *p, int length);
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+void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
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+void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
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+
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+extern void xfs_hex_dump(const void *p, int length);
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+
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+void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
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+			       const char *fmt, ...);
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 #endif	/* __XFS_MESSAGE_H */