diff options
Diffstat (limited to 'innobase/include/log0log.h')
| -rw-r--r-- | innobase/include/log0log.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/innobase/include/log0log.h b/innobase/include/log0log.h index 4e1404b15fe..24ec28a56e6 100644 --- a/innobase/include/log0log.h +++ b/innobase/include/log0log.h @@ -173,6 +173,12 @@ log_write_up_to( /* in: TRUE if we want the written log also to be flushed to disk */ /******************************************************************** +Does a syncronous flush of the log buffer to disk. */ + +void +log_buffer_flush_to_disk(void); +/*==========================*/ +/******************************************************************** Advances the smallest lsn for which there are unflushed dirty blocks in the buffer pool and also may make a new checkpoint. NOTE: this function may only be called if the calling thread owns no synchronization objects! */ @@ -507,6 +513,15 @@ log_print( /*======*/ char* buf, /* in/out: buffer where to print */ char* buf_end);/* in: buffer end */ +/********************************************************** +Peeks the current lsn. */ + +ibool +log_peek_lsn( +/*=========*/ + /* out: TRUE if success, FALSE if could not get the + log system mutex */ + dulint* lsn); /* out: if returns TRUE, current lsn is here */ /************************************************************************** Refreshes the statistics used to print per-second averages. */ @@ -779,6 +794,11 @@ struct log_struct{ called */ /* Fields involved in checkpoints */ + ulint log_group_capacity; /* capacity of the log group; if + the checkpoint age exceeds this, it is + a serious error because it is possible + we will then overwrite log and spoil + crash recovery */ ulint max_modified_age_async; /* when this recommended value for lsn - buf_pool_get_oldest_modification() |