diff options
Diffstat (limited to 'storage/innobase/include/buf0flu.h')
| -rw-r--r-- | storage/innobase/include/buf0flu.h | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/storage/innobase/include/buf0flu.h b/storage/innobase/include/buf0flu.h index af38f61b13b..31fe4446681 100644 --- a/storage/innobase/include/buf0flu.h +++ b/storage/innobase/include/buf0flu.h @@ -30,10 +30,8 @@ Created 11/5/1995 Heikki Tuuri #include "log0log.h" #include "buf0buf.h" -/** Number of pages flushed. Protected by buf_pool.mutex. */ -extern ulint buf_flush_page_count; /** Number of pages flushed via LRU. Protected by buf_pool.mutex. -Also included in buf_flush_page_count. */ +Also included in buf_pool.stat.n_pages_written. */ extern ulint buf_lru_flush_page_count; /** Number of pages freed without flushing. Protected by buf_pool.mutex. */ extern ulint buf_lru_freed_page_count; @@ -86,15 +84,18 @@ buf_flush_init_for_writing( bool buf_flush_list_space(fil_space_t *space, ulint *n_flushed= nullptr) MY_ATTRIBUTE((warn_unused_result)); -/** Write out dirty blocks from buf_pool.LRU. +/** Write out dirty blocks from buf_pool.LRU, +and move clean blocks to buf_pool.free. +The caller must invoke buf_dblwr.flush_buffered_writes() +after releasing buf_pool.mutex. @param max_n wished maximum mumber of blocks flushed -@return the number of processed pages +@param evict whether to evict pages after flushing +@return evict ? number of processed pages : number of pages written @retval 0 if a buf_pool.LRU batch is already running */ -ulint buf_flush_LRU(ulint max_n); +ulint buf_flush_LRU(ulint max_n, bool evict); -/** Wait until a flush batch ends. -@param lru true=buf_pool.LRU; false=buf_pool.flush_list */ -void buf_flush_wait_batch_end(bool lru); +/** Wait until a LRU flush batch ends. */ +void buf_flush_wait_LRU_batch_end(); /** Wait until all persistent pages are flushed up to a limit. @param sync_lsn buf_pool.get_oldest_modification(LSN_MAX) to wait for */ ATTRIBUTE_COLD void buf_flush_wait_flushed(lsn_t sync_lsn); @@ -106,9 +107,6 @@ ATTRIBUTE_COLD void buf_flush_ahead(lsn_t lsn, bool furious); /** Initialize page_cleaner. */ ATTRIBUTE_COLD void buf_flush_page_cleaner_init(); -/** Wait for pending flushes to complete. */ -void buf_flush_wait_batch_end_acquiring_mutex(bool lru); - /** Flush the buffer pool on shutdown. */ ATTRIBUTE_COLD void buf_flush_buffer_pool(); |