diff options
Diffstat (limited to 'libbcache/btree_cache.h')
| -rw-r--r-- | libbcache/btree_cache.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libbcache/btree_cache.h b/libbcache/btree_cache.h index e745abbe..c26489d1 100644 --- a/libbcache/btree_cache.h +++ b/libbcache/btree_cache.h @@ -56,6 +56,16 @@ static inline unsigned btree_blocks(struct cache_set *c) return c->sb.btree_node_size >> c->block_bits; } +#define BTREE_SPLIT_THRESHOLD(c) (btree_blocks(c) * 3 / 4) + +#define BTREE_FOREGROUND_MERGE_THRESHOLD(c) (btree_max_u64s(c) * 1 / 3) +#define BTREE_FOREGROUND_MERGE_HYSTERESIS(c) \ + (BTREE_FOREGROUND_MERGE_THRESHOLD(c) + \ + (BTREE_FOREGROUND_MERGE_THRESHOLD(c) << 2)) + #define btree_node_root(_c, _b) ((_c)->btree_roots[(_b)->btree_id].b) +int bch_print_btree_node(struct cache_set *, struct btree *, + char *, size_t); + #endif /* _BCACHE_BTREE_CACHE_H */ |