diff options
Diffstat (limited to 'storage/innobase/include/buf0dblwr.h')
| -rw-r--r-- | storage/innobase/include/buf0dblwr.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/storage/innobase/include/buf0dblwr.h b/storage/innobase/include/buf0dblwr.h index 47517adc40b..e95f2844fdc 100644 --- a/storage/innobase/include/buf0dblwr.h +++ b/storage/innobase/include/buf0dblwr.h @@ -66,6 +66,12 @@ class buf_dblwr_t bool batch_running; /** number of expected flush_buffered_writes_completed() calls */ unsigned flushing_buffered_writes; + /** pages submitted to flush_buffered_writes() */ + ulint pages_submitted; + /** number of flush_buffered_writes_completed() calls */ + ulint writes_completed; + /** number of pages written by flush_buffered_writes_completed() */ + ulint pages_written; slot slots[2]; slot *active_slot= &slots[0]; @@ -84,6 +90,20 @@ public: /** Free the doublewrite buffer. */ void close(); + /** Acquire the mutex */ + void lock() { mysql_mutex_lock(&mutex); } + /** @return the number of submitted page writes */ + ulint submitted() const + { mysql_mutex_assert_owner(&mutex); return pages_submitted; } + /** @return the number of completed batches */ + ulint batches() const + { mysql_mutex_assert_owner(&mutex); return writes_completed; } + /** @return the number of final pages written */ + ulint written() const + { mysql_mutex_assert_owner(&mutex); return pages_written; } + /** Release the mutex */ + void unlock() { mysql_mutex_unlock(&mutex); } + /** Initialize the doublewrite buffer memory structure on recovery. If we are upgrading from a version before MySQL 4.1, then this function performs the necessary update operations to support |