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branches/zip: ibuf_update_free_bits_zip(): When after==0, call

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buf_page_make_young(), like ibuf_update_free_bits_if_full() does.
This difference was pointed out by Sunny.
This commit is contained in:
marko 2008-02-25 14:01:15 +00:00
parent c9d6c5acec
commit 567abed2ca
2 changed files with 14 additions and 4 deletions
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14
ibuf/ibuf0ibuf.c
View file

@ -955,8 +955,8 @@ UNIV_INTERN
void
ibuf_update_free_bits_zip(
/*======================*/
const buf_block_t* block, /* in: index page */
mtr_t* mtr) /* in/out: mtr */
buf_block_t* block, /* in/out: index page */
mtr_t* mtr) /* in/out: mtr */
{
page_t* bitmap_page;
ulint space;
@ -974,6 +974,16 @@ ibuf_update_free_bits_zip(
bitmap_page = ibuf_bitmap_get_map_page(space, page_no, zip_size, mtr);
after = ibuf_index_page_calc_free_zip(zip_size, block);
if (after == 0) {
/* We move the page to the front of the buffer pool LRU list:
the purpose of this is to prevent those pages to which we
cannot make inserts using the insert buffer from slipping
out of the buffer pool */
buf_page_make_young(&block->page);
}
ibuf_bitmap_page_set_bits(bitmap_page, page_no, zip_size,
IBUF_BITMAP_FREE, after, mtr);
}

4
include/ibuf0ibuf.h
View file

@ -110,8 +110,8 @@ UNIV_INTERN
void
ibuf_update_free_bits_zip(
/*======================*/
const buf_block_t* block, /* in: index page */
mtr_t* mtr); /* in/out: mtr */
buf_block_t* block, /* in/out: index page */
mtr_t* mtr); /* in/out: mtr */
/**************************************************************************
Updates the free bits for the two pages to reflect the present state. Does
this in the mtr given, which means that the latching order rules virtually