drivers/md/bcache/debug.h

   1 #ifndef _BCACHE_DEBUG_H
   2 #define _BCACHE_DEBUG_H
   3
   4 /* Btree/bkey debug printing */
   5
   6 int bch_bkey_to_text(char *buf, size_t size, const struct bkey *k);
   7
   8 #ifdef CONFIG_BCACHE_DEBUG
   9
  10 void bch_btree_verify(struct btree *, struct bset *);
  11 void bch_data_verify(struct cached_dev *, struct bio *);
  12 int __bch_count_data(struct btree *);
  13 void __bch_check_keys(struct btree *, const char *, ...);
  14 void bch_btree_iter_next_check(struct btree_iter *);
  15
  16 #define EBUG_ON(cond)                   BUG_ON(cond)
  17 #define expensive_debug_checks(c)       ((c)->expensive_debug_checks)
  18 #define key_merging_disabled(c)         ((c)->key_merging_disabled)
  19
  20 #else /* DEBUG */
  21
  22 static inline void bch_btree_verify(struct btree *b, struct bset *i) {}
  23 static inline void bch_data_verify(struct cached_dev *dc, struct bio *bio) {}
  24 static inline int __bch_count_data(struct btree *b) { return -1; }
  25 static inline void __bch_check_keys(struct btree *b, const char *fmt, ...) {}
  26 static inline void bch_btree_iter_next_check(struct btree_iter *iter) {}
  27
  28 #define EBUG_ON(cond)                   do { if (cond); } while (0)
  29 #define expensive_debug_checks(c)       0
  30 #define key_merging_disabled(c)         0
  31
  32 #endif
  33
  34 #define bch_count_data(b)                                               \
  35         (expensive_debug_checks((b)->c) ? __bch_count_data(b) : -1)
  36
  37 #define bch_check_keys(b, ...)                                          \
  38 do {                                                                    \
  39         if (expensive_debug_checks((b)->c))                             \
  40                 __bch_check_keys(b, __VA_ARGS__);                       \
  41 } while (0)
  42
  43 #ifdef CONFIG_DEBUG_FS
  44 void bch_debug_init_cache_set(struct cache_set *);
  45 #else
  46 static inline void bch_debug_init_cache_set(struct cache_set *c) {}
  47 #endif
  48
  49 #endif