mariadb/include/buf0flu.ic
marko 1601bdc38a branches/innodb+: Merge revisions 5091:5143 from branches/zip:
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  r5092 | marko | 2009-05-25 09:54:17 +0300 (Mon, 25 May 2009) | 1 line

  branches/zip: Adjust some function comments after r5091.
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  r5100 | marko | 2009-05-25 12:09:45 +0300 (Mon, 25 May 2009) | 1 line

  branches/zip: Split some long lines that were introduced in r5091.
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  r5101 | marko | 2009-05-25 12:42:47 +0300 (Mon, 25 May 2009) | 2 lines

  branches/zip: Introduce the macro TEMP_INDEX_PREFIX_STR.
  This is to avoid triggering an error in Doxygen.
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  r5102 | marko | 2009-05-25 13:47:14 +0300 (Mon, 25 May 2009) | 1 line

  branches/zip: Add missing file comments.
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  r5103 | marko | 2009-05-25 13:52:29 +0300 (Mon, 25 May 2009) | 10 lines

  branches/zip: Add @file comments, and convert decorative
  /*********************************
  comments to Doxygen /** style like this:
  /*****************************//**

  This conversion was performed by the following command:

  perl -i -e 'while(<ARGV>){if (m|^/\*{30}\**$|) {
  s|\*{4}$|//**| if ++$com>1; $_ .= "\@file $ARGV\n" if $com==2}
  print; if(eof){$.=0;undef $com}}' */*[ch] include/univ.i
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  r5104 | marko | 2009-05-25 14:39:07 +0300 (Mon, 25 May 2009) | 2 lines

  branches/zip: Revert ut0auxconf_* to r5102,
  that is, make Doxygen ignore these test programs.
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  r5105 | marko | 2009-05-25 14:52:20 +0300 (Mon, 25 May 2009) | 2 lines

  branches/zip: Enclose some #error checks inside #ifndef DOXYGEN
  to prevent bogus Doxygen errors.
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  r5106 | marko | 2009-05-25 16:09:24 +0300 (Mon, 25 May 2009) | 2 lines

  branches/zip: Add some Doxygen comments, mainly to structs, typedefs,
  macros and global variables.  Many more to go.
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  r5108 | marko | 2009-05-26 00:32:35 +0300 (Tue, 26 May 2009) | 2 lines

  branches/zip: lexyy.c: Remove the inadvertently added @file directive.
  There is nothing for Doxygen to see in this file, move along.
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  r5125 | marko | 2009-05-26 16:28:49 +0300 (Tue, 26 May 2009) | 3 lines

  branches/zip: Add some Doxygen comments for many structs, typedefs,
  #defines and global variables.  Many are still missing.
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  r5134 | marko | 2009-05-27 09:08:43 +0300 (Wed, 27 May 2009) | 1 line

  branches/zip: Add some Doxygen @return comments.
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  r5139 | marko | 2009-05-27 10:01:40 +0300 (Wed, 27 May 2009) | 1 line

  branches/zip: Add Doxyfile.
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  r5143 | marko | 2009-05-27 10:57:25 +0300 (Wed, 27 May 2009) | 3 lines

  branches/zip: buf0buf.h, Doxyfile: Fix the Doxygen translation.
  @defgroup is for source code modules, not for field groups.
  Tell Doxygen to expand the UT_LIST declarations.
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2009-05-27 09:52:16 +00:00

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/*****************************************************************************
Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
/**************************************************//**
@file include/buf0flu.ic
The database buffer pool flush algorithm
Created 11/5/1995 Heikki Tuuri
*******************************************************/
#ifndef UNIV_HOTBACKUP
#include "buf0buf.h"
#include "mtr0mtr.h"
/********************************************************************//**
Inserts a modified block into the flush list. */
UNIV_INTERN
void
buf_flush_insert_into_flush_list(
/*=============================*/
buf_block_t* block); /*!< in/out: block which is modified */
/********************************************************************//**
Inserts a modified block into the flush list in the right sorted position.
This function is used by recovery, because there the modifications do not
necessarily come in the order of lsn's. */
UNIV_INTERN
void
buf_flush_insert_sorted_into_flush_list(
/*====================================*/
buf_block_t* block); /*!< in/out: block which is modified */
/********************************************************************//**
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. */
UNIV_INLINE
void
buf_flush_note_modification(
/*========================*/
buf_block_t* block, /*!< in: block which is modified */
mtr_t* mtr) /*!< in: mtr */
{
ut_ad(block);
ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
ut_ad(block->page.buf_fix_count > 0);
#ifdef UNIV_SYNC_DEBUG
ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX));
#endif /* UNIV_SYNC_DEBUG */
ut_ad(buf_pool_mutex_own());
ut_ad(mtr->start_lsn != 0);
ut_ad(mtr->modifications);
ut_ad(block->page.newest_modification <= mtr->end_lsn);
block->page.newest_modification = mtr->end_lsn;
if (!block->page.oldest_modification) {
block->page.oldest_modification = mtr->start_lsn;
ut_ad(block->page.oldest_modification != 0);
buf_flush_insert_into_flush_list(block);
} else {
ut_ad(block->page.oldest_modification <= mtr->start_lsn);
}
++srv_buf_pool_write_requests;
}
/********************************************************************//**
This function should be called when recovery has modified a buffer page. */
UNIV_INLINE
void
buf_flush_recv_note_modification(
/*=============================*/
buf_block_t* block, /*!< in: block which is modified */
ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a
set of mtr's */
ib_uint64_t end_lsn) /*!< in: end lsn of the last mtr in the
set of mtr's */
{
ut_ad(block);
ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
ut_ad(block->page.buf_fix_count > 0);
#ifdef UNIV_SYNC_DEBUG
ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX));
#endif /* UNIV_SYNC_DEBUG */
buf_pool_mutex_enter();
ut_ad(block->page.newest_modification <= end_lsn);
block->page.newest_modification = end_lsn;
if (!block->page.oldest_modification) {
block->page.oldest_modification = start_lsn;
ut_ad(block->page.oldest_modification != 0);
buf_flush_insert_sorted_into_flush_list(block);
} else {
ut_ad(block->page.oldest_modification <= start_lsn);
}
buf_pool_mutex_exit();
}
#endif /* !UNIV_HOTBACKUP */