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| author | Sergey Vojtovich <svoj@mariadb.org> | 2014-12-03 13:56:22 +0400 |
|---|---|---|
| committer | Sergey Vojtovich <svoj@mariadb.org> | 2014-12-03 13:56:22 +0400 |
| commit | 037dcf25e94990e5a2f008f96e1813b7149b91ed (patch) | |
| tree | 8193e6e323ca6b8fe87432a22983b8d07f712e81 /include/lf.h | |
| parent | 3014e137885b0293d1ed6834c45d53a675bbc622 (diff) | |
| download | mariadb-git-bb-lf-iterator.tar.gz | |
MDEV-6089 - MySQL WL#7305 "Improve MDL scalability by using lock-free hash"bb-lf-iterator
This is prerequisite for MDEV-6089. Added lf_hash_search_using_hash_value(),
which can reuse previously calculated hash value.
Diffstat (limited to 'include/lf.h')
| -rw-r--r-- | include/lf.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/lf.h b/include/lf.h index 5ca777dd680..b776c152ee5 100644 --- a/include/lf.h +++ b/include/lf.h @@ -231,6 +231,9 @@ void lf_hash_init(LF_HASH *hash, uint element_size, uint flags, void lf_hash_destroy(LF_HASH *hash); int lf_hash_insert(LF_HASH *hash, LF_PINS *pins, const void *data); void *lf_hash_search(LF_HASH *hash, LF_PINS *pins, const void *key, uint keylen); +void *lf_hash_search_using_hash_value(LF_HASH *hash, LF_PINS *pins, + my_hash_value_type hash_value, + const void *key, uint keylen); int lf_hash_delete(LF_HASH *hash, LF_PINS *pins, const void *key, uint keylen); int lf_hash_iterate(LF_HASH *hash, LF_PINS *pins, my_hash_walk_action action, void *argument); |