diff options
Diffstat (limited to 'storage/innobase/include/log0log.h')
| -rw-r--r-- | storage/innobase/include/log0log.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/storage/innobase/include/log0log.h b/storage/innobase/include/log0log.h index 299b4a05b40..135aeb69e2d 100644 --- a/storage/innobase/include/log0log.h +++ b/storage/innobase/include/log0log.h @@ -572,6 +572,18 @@ UNIV_INTERN void log_refresh_stats(void); /*===================*/ +/********************************************************** +Shutdown the log system but do not release all the memory. */ +UNIV_INTERN +void +log_shutdown(void); +/*==============*/ +/********************************************************** +Free the log system data structures. */ +UNIV_INTERN +void +log_mem_free(void); +/*==============*/ extern log_t* log_sys; @@ -584,7 +596,7 @@ extern log_t* log_sys; #define LOG_RECOVER 98887331 /* The counting of lsn's starts from this value: this must be non-zero */ -#define LOG_START_LSN ((ib_uint64_t) (16 * OS_FILE_LOG_BLOCK_SIZE)) +#define LOG_START_LSN ((ib_uint64_t) (16 * OS_FILE_LOG_BLOCK_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) @@ -721,9 +733,12 @@ struct log_group_struct{ ulint lsn_offset; /*!< the offset of the above lsn */ ulint n_pending_writes;/*!< number of currently pending flush writes for this log group */ + byte** file_header_bufs_ptr;/*!< unaligned buffers */ byte** file_header_bufs;/*!< buffers for each file header in the group */ +#ifdef UNIV_LOG_ARCHIVE /*-----------------------------*/ + byte** archive_file_header_bufs_ptr;/*!< unaligned buffers */ byte** archive_file_header_bufs;/*!< buffers for each file header in the group */ ulint archive_space_id;/*!< file space which @@ -742,10 +757,12 @@ struct log_group_struct{ completion function then sets the new value to ..._file_no */ ulint next_archived_offset; /*!< like the preceding field */ +#endif /* UNIV_LOG_ARCHIVE */ /*-----------------------------*/ ib_uint64_t scanned_lsn; /*!< used only in recovery: recovery scan succeeded up to this lsn in this log group */ + byte* checkpoint_buf_ptr;/*!< unaligned checkpoint header */ byte* checkpoint_buf; /*!< checkpoint header is written from this buffer to the group */ UT_LIST_NODE_T(log_group_t) @@ -763,6 +780,7 @@ struct log_struct{ #ifndef UNIV_HOTBACKUP mutex_t mutex; /*!< mutex protecting the log */ #endif /* !UNIV_HOTBACKUP */ + byte* buf_ptr; /* unaligned log buffer */ byte* buf; /*!< log buffer */ ulint buf_size; /*!< log buffer size in bytes */ ulint max_buf_free; /*!< recommended maximum value of @@ -899,6 +917,7 @@ struct log_struct{ should wait for this without owning the log mutex */ #endif /* !UNIV_HOTBACKUP */ + byte* checkpoint_buf_ptr;/* unaligned checkpoint header */ byte* checkpoint_buf; /*!< checkpoint header is read to this buffer */ /* @} */ |