buf0flu.ic File Reference

The database buffer pool flush algorithm. More...

#include "buf0buf.h"
#include "fsp0types.h"
#include "mtr0mtr.h"
#include "srv0srv.h"

Functions
void	buf_flush_insert_into_flush_list (buf_pool_t *buf_pool, buf_block_t *block, lsn_t lsn)
	Inserts a modified block into the flush list. More...
static void	buf_flush_note_modification (buf_block_t *block, lsn_t start_lsn, lsn_t end_lsn, Flush_observer *observer)
	This function should be called at a mini-transaction commit, if a page was modified in it. More...

Detailed Description

The database buffer pool flush algorithm.

Created 11/5/1995 Heikki Tuuri

Function Documentation

buf_flush_insert_into_flush_list()

void buf_flush_insert_into_flush_list	(	buf_pool_t *	buf_pool,
		buf_block_t *	block,
		lsn_t	lsn
	)

Inserts a modified block into the flush list.

in: oldest modification

Parameters

buf_pool	buffer pool instance
block	in/out: block which is modified
lsn	in: oldest modification

buf_flush_note_modification()

static void buf_flush_note_modification ( buf_block_t *  block, lsn_t  start_lsn, lsn_t  end_lsn, Flush_observer *  observer  )

inlinestatic

This function should be called at a mini-transaction commit, if a page was modified in it.

Puts the block to the list of modified blocks, if it is not already in it.

Parameters

block	in: block which is modified
start_lsn	in: start lsn of the mtr that modified this block
end_lsn	in: end lsn of the mtr that modified this block
observer	in: flush observer