xref: /linux/fs/xfs/xfs_message.h (revision e60aa787f43f1e469632b8719e3e3ab1d9e7b720)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __XFS_MESSAGE_H
3 #define __XFS_MESSAGE_H 1
4 
5 #include <linux/once_lite.h>
6 
7 struct xfs_mount;
8 
9 extern __printf(3, 4)
10 void xfs_printk_level(const char *kern_level, const struct xfs_mount *mp,
11 			const char *fmt, ...);
12 
13 #define xfs_emerg(mp, fmt, ...) \
14 	xfs_printk_level(KERN_EMERG, mp, fmt, ##__VA_ARGS__)
15 #define xfs_alert(mp, fmt, ...) \
16 	xfs_printk_level(KERN_ALERT, mp, fmt, ##__VA_ARGS__)
17 #define xfs_crit(mp, fmt, ...) \
18 	xfs_printk_level(KERN_CRIT, mp, fmt, ##__VA_ARGS__)
19 #define xfs_err(mp, fmt, ...) \
20 	xfs_printk_level(KERN_ERR, mp, fmt, ##__VA_ARGS__)
21 #define xfs_warn(mp, fmt, ...) \
22 	xfs_printk_level(KERN_WARNING, mp, fmt, ##__VA_ARGS__)
23 #define xfs_notice(mp, fmt, ...) \
24 	xfs_printk_level(KERN_NOTICE, mp, fmt, ##__VA_ARGS__)
25 #define xfs_info(mp, fmt, ...) \
26 	xfs_printk_level(KERN_INFO, mp, fmt, ##__VA_ARGS__)
27 #ifdef DEBUG
28 #define xfs_debug(mp, fmt, ...) \
29 	xfs_printk_level(KERN_DEBUG, mp, fmt, ##__VA_ARGS__)
30 #else
31 #define xfs_debug(mp, fmt, ...) do {} while (0)
32 #endif
33 
34 extern __printf(3, 4)
35 void xfs_alert_tag(const struct xfs_mount *mp, int tag, const char *fmt, ...);
36 
37 #define xfs_printk_ratelimited(func, dev, fmt, ...)			\
38 do {									\
39 	static DEFINE_RATELIMIT_STATE(_rs,				\
40 				      DEFAULT_RATELIMIT_INTERVAL,	\
41 				      DEFAULT_RATELIMIT_BURST);		\
42 	if (__ratelimit(&_rs))						\
43 		func(dev, fmt, ##__VA_ARGS__);				\
44 } while (0)
45 
46 #define xfs_printk_once(func, dev, fmt, ...)			\
47 	DO_ONCE_LITE(func, dev, fmt, ##__VA_ARGS__)
48 
49 #define xfs_emerg_ratelimited(dev, fmt, ...)				\
50 	xfs_printk_ratelimited(xfs_emerg, dev, fmt, ##__VA_ARGS__)
51 #define xfs_alert_ratelimited(dev, fmt, ...)				\
52 	xfs_printk_ratelimited(xfs_alert, dev, fmt, ##__VA_ARGS__)
53 #define xfs_crit_ratelimited(dev, fmt, ...)				\
54 	xfs_printk_ratelimited(xfs_crit, dev, fmt, ##__VA_ARGS__)
55 #define xfs_err_ratelimited(dev, fmt, ...)				\
56 	xfs_printk_ratelimited(xfs_err, dev, fmt, ##__VA_ARGS__)
57 #define xfs_warn_ratelimited(dev, fmt, ...)				\
58 	xfs_printk_ratelimited(xfs_warn, dev, fmt, ##__VA_ARGS__)
59 #define xfs_notice_ratelimited(dev, fmt, ...)				\
60 	xfs_printk_ratelimited(xfs_notice, dev, fmt, ##__VA_ARGS__)
61 #define xfs_info_ratelimited(dev, fmt, ...)				\
62 	xfs_printk_ratelimited(xfs_info, dev, fmt, ##__VA_ARGS__)
63 #define xfs_debug_ratelimited(dev, fmt, ...)				\
64 	xfs_printk_ratelimited(xfs_debug, dev, fmt, ##__VA_ARGS__)
65 
66 #define xfs_warn_once(dev, fmt, ...)				\
67 	xfs_printk_once(xfs_warn, dev, fmt, ##__VA_ARGS__)
68 #define xfs_notice_once(dev, fmt, ...)				\
69 	xfs_printk_once(xfs_notice, dev, fmt, ##__VA_ARGS__)
70 #define xfs_info_once(dev, fmt, ...)				\
71 	xfs_printk_once(xfs_info, dev, fmt, ##__VA_ARGS__)
72 
73 void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
74 void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
75 
76 extern void xfs_hex_dump(const void *p, int length);
77 
78 void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
79 			       const char *fmt, ...);
80 
81 #endif	/* __XFS_MESSAGE_H */
82