fs/xfs/xfs_message.h

   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_printk_index_wrap(kern_level, mp, fmt, ...)         \
  14 ({                                                              \
  15         printk_index_subsys_emit("%sXFS%s: ", kern_level, fmt); \
  16         xfs_printk_level(kern_level, mp, fmt, ##__VA_ARGS__);   \
  17 })
  18 #define xfs_emerg(mp, fmt, ...) \
  19         xfs_printk_index_wrap(KERN_EMERG, mp, fmt, ##__VA_ARGS__)
  20 #define xfs_alert(mp, fmt, ...) \
  21         xfs_printk_index_wrap(KERN_ALERT, mp, fmt, ##__VA_ARGS__)
  22 #define xfs_crit(mp, fmt, ...) \
  23         xfs_printk_index_wrap(KERN_CRIT, mp, fmt, ##__VA_ARGS__)
  24 #define xfs_err(mp, fmt, ...) \
  25         xfs_printk_index_wrap(KERN_ERR, mp, fmt, ##__VA_ARGS__)
  26 #define xfs_warn(mp, fmt, ...) \
  27         xfs_printk_index_wrap(KERN_WARNING, mp, fmt, ##__VA_ARGS__)
  28 #define xfs_notice(mp, fmt, ...) \
  29         xfs_printk_index_wrap(KERN_NOTICE, mp, fmt, ##__VA_ARGS__)
  30 #define xfs_info(mp, fmt, ...) \
  31         xfs_printk_index_wrap(KERN_INFO, mp, fmt, ##__VA_ARGS__)
  32 #ifdef DEBUG
  33 #define xfs_debug(mp, fmt, ...) \
  34         xfs_printk_index_wrap(KERN_DEBUG, mp, fmt, ##__VA_ARGS__)
  35 #else
  36 #define xfs_debug(mp, fmt, ...) do {} while (0)
  37 #endif
  38
  39 #define xfs_alert_tag(mp, tag, fmt, ...)                        \
  40 ({                                                              \
  41         printk_index_subsys_emit("%sXFS%s: ", KERN_ALERT, fmt); \
  42         _xfs_alert_tag(mp, tag, fmt, ##__VA_ARGS__);            \
  43 })
  44
  45 extern __printf(3, 4)
  46 void _xfs_alert_tag(const struct xfs_mount *mp, uint32_t tag,
  47                 const char *fmt, ...);
  48
  49 #define xfs_printk_ratelimited(func, dev, fmt, ...)                     \
  50 do {                                                                    \
  51         static DEFINE_RATELIMIT_STATE(_rs,                              \
  52                                       DEFAULT_RATELIMIT_INTERVAL,       \
  53                                       DEFAULT_RATELIMIT_BURST);         \
  54         if (__ratelimit(&_rs))                                          \
  55                 func(dev, fmt, ##__VA_ARGS__);                          \
  56 } while (0)
  57
  58 #define xfs_printk_once(func, dev, fmt, ...)                    \
  59         DO_ONCE_LITE(func, dev, fmt, ##__VA_ARGS__)
  60
  61 #define xfs_emerg_ratelimited(dev, fmt, ...)                            \
  62         xfs_printk_ratelimited(xfs_emerg, dev, fmt, ##__VA_ARGS__)
  63 #define xfs_alert_ratelimited(dev, fmt, ...)                            \
  64         xfs_printk_ratelimited(xfs_alert, dev, fmt, ##__VA_ARGS__)
  65 #define xfs_crit_ratelimited(dev, fmt, ...)                             \
  66         xfs_printk_ratelimited(xfs_crit, dev, fmt, ##__VA_ARGS__)
  67 #define xfs_err_ratelimited(dev, fmt, ...)                              \
  68         xfs_printk_ratelimited(xfs_err, dev, fmt, ##__VA_ARGS__)
  69 #define xfs_warn_ratelimited(dev, fmt, ...)                             \
  70         xfs_printk_ratelimited(xfs_warn, dev, fmt, ##__VA_ARGS__)
  71 #define xfs_notice_ratelimited(dev, fmt, ...)                           \
  72         xfs_printk_ratelimited(xfs_notice, dev, fmt, ##__VA_ARGS__)
  73 #define xfs_info_ratelimited(dev, fmt, ...)                             \
  74         xfs_printk_ratelimited(xfs_info, dev, fmt, ##__VA_ARGS__)
  75 #define xfs_debug_ratelimited(dev, fmt, ...)                            \
  76         xfs_printk_ratelimited(xfs_debug, dev, fmt, ##__VA_ARGS__)
  77
  78 #define xfs_warn_once(dev, fmt, ...)                            \
  79         xfs_printk_once(xfs_warn, dev, fmt, ##__VA_ARGS__)
  80 #define xfs_notice_once(dev, fmt, ...)                          \
  81         xfs_printk_once(xfs_notice, dev, fmt, ##__VA_ARGS__)
  82 #define xfs_info_once(dev, fmt, ...)                            \
  83         xfs_printk_once(xfs_info, dev, fmt, ##__VA_ARGS__)
  84
  85 void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
  86 void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
  87
  88 extern void xfs_hex_dump(const void *p, int length);
  89
  90 void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
  91                                const char *fmt, ...);
  92
  93 enum xfs_experimental_feat {
  94         XFS_EXPERIMENTAL_PNFS,
  95         XFS_EXPERIMENTAL_SCRUB,
  96         XFS_EXPERIMENTAL_SHRINK,
  97         XFS_EXPERIMENTAL_LARP,
  98         XFS_EXPERIMENTAL_LBS,
  99         XFS_EXPERIMENTAL_EXCHRANGE,
 100         XFS_EXPERIMENTAL_PPTR,
 101         XFS_EXPERIMENTAL_METADIR,
 102
 103         XFS_EXPERIMENTAL_MAX,
 104 };
 105 void xfs_warn_experimental(struct xfs_mount *mp, enum xfs_experimental_feat f);
 106
 107 #endif  /* __XFS_MESSAGE_H */