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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2017-05-12 18:45:15 -0800 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2017-05-12 23:14:24 -0800 |
| commit | 565b4a74d6c25c78b0d2b82d9529595fc6269308 (patch) | |
| tree | 3e4440a60c5f8519352ce5b6c587a7d1a79c4655 /libbcachefs/btree_cache.h | |
| parent | a588eb0d9e30dffa4b319a4715c1454ee1d911f1 (diff) | |
Update bcachefs sources to 14e9ac5016 bcachefs: btree_iter fastpath
Diffstat (limited to 'libbcachefs/btree_cache.h')
| -rw-r--r-- | libbcachefs/btree_cache.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libbcachefs/btree_cache.h b/libbcachefs/btree_cache.h index ca8e3195..ea53d2b2 100644 --- a/libbcachefs/btree_cache.h +++ b/libbcachefs/btree_cache.h @@ -3,6 +3,7 @@ #include "bcachefs.h" #include "btree_types.h" +#include "extents.h" struct btree_iter; @@ -11,6 +12,7 @@ extern const char * const bch2_btree_ids[]; void bch2_recalc_btree_reserve(struct bch_fs *); void bch2_btree_node_hash_remove(struct bch_fs *, struct btree *); +int __bch2_btree_node_hash_insert(struct bch_fs *, struct btree *); int bch2_btree_node_hash_insert(struct bch_fs *, struct btree *, unsigned, enum btree_id); @@ -28,6 +30,14 @@ void bch2_btree_node_prefetch(struct btree_iter *, const struct bkey_i *, void bch2_fs_btree_exit(struct bch_fs *); int bch2_fs_btree_init(struct bch_fs *); +#define PTR_HASH(_k) (bkey_i_to_extent_c(_k)->v._data[0]) + +/* is btree node in hash table? */ +static inline bool btree_node_hashed(struct btree *b) +{ + return bkey_extent_is_data(&b->key.k) && PTR_HASH(&b->key); +} + #define for_each_cached_btree(_b, _c, _tbl, _iter, _pos) \ for ((_tbl) = rht_dereference_rcu((_c)->btree_cache_table.tbl, \ &(_c)->btree_cache_table), \ |