diff options
Diffstat (limited to 'storage/xtradb/include/log0log.h')
| -rw-r--r-- | storage/xtradb/include/log0log.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/storage/xtradb/include/log0log.h b/storage/xtradb/include/log0log.h index e0bffe6f725..281dd61a105 100644 --- a/storage/xtradb/include/log0log.h +++ b/storage/xtradb/include/log0log.h @@ -249,12 +249,15 @@ log_checkpoint( /*===========*/ ibool sync, /*!< in: TRUE if synchronous operation is desired */ - ibool write_always); /*!< in: the function normally checks if the + ibool write_always, /*!< in: the function normally checks if the the new checkpoint would have a greater lsn than the previous one: if not, then no physical write is done; by setting this parameter TRUE, a physical write will always be made to log files */ + ibool safe_to_ignore);/*!< in: TRUE if checkpoint can be ignored in + the case checkpoint's are disabled */ + /****************************************************************//** Makes a checkpoint at a given lsn or later. */ UNIV_INTERN @@ -272,6 +275,18 @@ log_make_checkpoint_at( physical write will always be made to log files */ /****************************************************************//** +Disable checkpoints. This is used when doing a volume snapshot +to ensure that we don't get checkpoint between snapshoting two +different volumes */ +UNIV_INTERN +ibool log_disable_checkpoint(); + +/****************************************************************//** +Enable checkpoints that was disabled with log_disable_checkpoint() */ +UNIV_INTERN +void log_enable_checkpoint(); + +/****************************************************************//** Makes a checkpoint at the latest lsn and writes it to first page of each data file in the database, so that we know that the file spaces contain all modifications up to that lsn. This can only be called at database |