1 files changed, 85 insertions, 0 deletions
diff --git a/fs/xfs/xfs_message.h b/fs/xfs/xfs_message.h
new file mode 100644
index 000000000..3c392b151
--- /dev/null
+++ b/fs/xfs/xfs_message.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __XFS_MESSAGE_H
+#define __XFS_MESSAGE_H 1
+
+struct xfs_mount;
+
+extern __printf(2, 3)
+void xfs_emerg(const struct xfs_mount *mp, const char *fmt, ...);
+extern __printf(2, 3)
+void xfs_alert(const struct xfs_mount *mp, const char *fmt, ...);
+extern __printf(3, 4)
+void xfs_alert_tag(const struct xfs_mount *mp, int tag, const char *fmt, ...);
+extern __printf(2, 3)
+void xfs_crit(const struct xfs_mount *mp, const char *fmt, ...);
+extern __printf(2, 3)
+void xfs_err(const struct xfs_mount *mp, const char *fmt, ...);
+extern __printf(2, 3)
+void xfs_warn(const struct xfs_mount *mp, const char *fmt, ...);
+extern __printf(2, 3)
+void xfs_notice(const struct xfs_mount *mp, const char *fmt, ...);
+extern __printf(2, 3)
+void xfs_info(const struct xfs_mount *mp, const char *fmt, ...);
+
+#ifdef DEBUG
+extern __printf(2, 3)
+void xfs_debug(const struct xfs_mount *mp, const char *fmt, ...);
+#else
+static inline __printf(2, 3)
+void xfs_debug(const struct xfs_mount *mp, const char *fmt, ...)
+{
+}
+#endif
+
+#define xfs_printk_ratelimited(func, dev, fmt, ...)			\
+do {									\
+	static DEFINE_RATELIMIT_STATE(_rs,				\
+				      DEFAULT_RATELIMIT_INTERVAL,	\
+				      DEFAULT_RATELIMIT_BURST);		\
+	if (__ratelimit(&_rs))						\
+		func(dev, fmt, ##__VA_ARGS__);				\
+} while (0)
+
+#define xfs_printk_once(func, dev, fmt, ...)			\
+({								\
+	static bool __section(".data.once") __print_once;	\
+	bool __ret_print_once = !__print_once; 			\
+								\
+	if (!__print_once) {					\
+		__print_once = true;				\
+		func(dev, fmt, ##__VA_ARGS__);			\
+	}							\
+	unlikely(__ret_print_once);				\
+})
+
+#define xfs_emerg_ratelimited(dev, fmt, ...)				\
+	xfs_printk_ratelimited(xfs_emerg, dev, fmt, ##__VA_ARGS__)
+#define xfs_alert_ratelimited(dev, fmt, ...)				\
+	xfs_printk_ratelimited(xfs_alert, dev, fmt, ##__VA_ARGS__)
+#define xfs_crit_ratelimited(dev, fmt, ...)				\
+	xfs_printk_ratelimited(xfs_crit, dev, fmt, ##__VA_ARGS__)
+#define xfs_err_ratelimited(dev, fmt, ...)				\
+	xfs_printk_ratelimited(xfs_err, dev, fmt, ##__VA_ARGS__)
+#define xfs_warn_ratelimited(dev, fmt, ...)				\
+	xfs_printk_ratelimited(xfs_warn, dev, fmt, ##__VA_ARGS__)
+#define xfs_notice_ratelimited(dev, fmt, ...)				\
+	xfs_printk_ratelimited(xfs_notice, dev, fmt, ##__VA_ARGS__)
+#define xfs_info_ratelimited(dev, fmt, ...)				\
+	xfs_printk_ratelimited(xfs_info, dev, fmt, ##__VA_ARGS__)
+#define xfs_debug_ratelimited(dev, fmt, ...)				\
+	xfs_printk_ratelimited(xfs_debug, dev, fmt, ##__VA_ARGS__)
+
+#define xfs_warn_once(dev, fmt, ...)				\
+	xfs_printk_once(xfs_warn, dev, fmt, ##__VA_ARGS__)
+#define xfs_notice_once(dev, fmt, ...)				\
+	xfs_printk_once(xfs_notice, dev, fmt, ##__VA_ARGS__)
+
+void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
+void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
+
+extern void xfs_hex_dump(const void *p, int length);
+
+void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
+			       const char *fmt, ...);
+
+#endif	/* __XFS_MESSAGE_H */