diff options
Diffstat (limited to 'storage/innobase/include/log0log.h')
-rw-r--r-- | storage/innobase/include/log0log.h | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/storage/innobase/include/log0log.h b/storage/innobase/include/log0log.h index 7f3f10438b4..43662d02a34 100644 --- a/storage/innobase/include/log0log.h +++ b/storage/innobase/include/log0log.h @@ -19,7 +19,7 @@ typedef struct log_group_struct log_group_t; #ifdef UNIV_DEBUG extern ibool log_do_write; -extern ibool log_debug_writes; +extern ibool log_debug_writes; #else /* UNIV_DEBUG */ # define log_do_write TRUE #endif /* UNIV_DEBUG */ @@ -493,9 +493,9 @@ 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 */ + /* 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. */ @@ -514,7 +514,7 @@ extern log_t* log_sys; /* The counting of lsn's starts from this value: this must be non-zero */ #define LOG_START_LSN ut_dulint_create(0, 16 * OS_FILE_LOG_BLOCK_SIZE) -#define LOG_BUFFER_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE) +#define LOG_BUFFER_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE) #define LOG_ARCHIVE_BUF_SIZE (srv_log_buffer_size * UNIV_PAGE_SIZE / 4) /* Offsets of a log block header */ @@ -571,8 +571,8 @@ extern log_t* log_sys; #define LOG_CHECKPOINT_ARRAY_END (LOG_CHECKPOINT_GROUP_ARRAY\ + LOG_MAX_N_GROUPS * 8) -#define LOG_CHECKPOINT_CHECKSUM_1 LOG_CHECKPOINT_ARRAY_END -#define LOG_CHECKPOINT_CHECKSUM_2 (4 + LOG_CHECKPOINT_ARRAY_END) +#define LOG_CHECKPOINT_CHECKSUM_1 LOG_CHECKPOINT_ARRAY_END +#define LOG_CHECKPOINT_CHECKSUM_2 (4 + LOG_CHECKPOINT_ARRAY_END) #define LOG_CHECKPOINT_FSP_FREE_LIMIT (8 + LOG_CHECKPOINT_ARRAY_END) /* current fsp free limit in tablespace 0, in units of one @@ -678,7 +678,7 @@ struct log_group_struct{ this buffer to the group */ UT_LIST_NODE_T(log_group_t) log_groups; /* list of log groups */ -}; +}; struct log_struct{ byte pad[64]; /* padding to prevent other memory @@ -731,13 +731,13 @@ struct log_struct{ be advanced, it is enough that the write i/o has been completed for all log groups */ - dulint write_lsn; /* end lsn for the current running + dulint write_lsn; /* end lsn for the current running write */ ulint write_end_offset;/* the data in buffer has been written up to this offset when the current write ends: this field will then be copied to buf_next_to_write */ - dulint current_flush_lsn;/* end lsn for the current running + dulint current_flush_lsn;/* end lsn for the current running write + flush operation */ dulint flushed_to_disk_lsn; /* how far we have written the log @@ -774,11 +774,11 @@ 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 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() |