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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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ r5102 | marko | 2009-05-25 13:47:14 +0300 (Mon, 25 May 2009) | 1 line branches/zip: Add missing file comments. ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ r5134 | marko | 2009-05-27 09:08:43 +0300 (Wed, 27 May 2009) | 1 line branches/zip: Add some Doxygen @return comments. ------------------------------------------------------------------------ r5139 | marko | 2009-05-27 10:01:40 +0300 (Wed, 27 May 2009) | 1 line branches/zip: Add Doxyfile. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------
123 lines
4 KiB
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123 lines
4 KiB
Text
/*****************************************************************************
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Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/buf0flu.ic
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The database buffer pool flush algorithm
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Created 11/5/1995 Heikki Tuuri
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*******************************************************/
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#ifndef UNIV_HOTBACKUP
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#include "buf0buf.h"
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#include "mtr0mtr.h"
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/********************************************************************//**
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Inserts a modified block into the flush list. */
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UNIV_INTERN
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void
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buf_flush_insert_into_flush_list(
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/*=============================*/
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buf_block_t* block); /*!< in/out: block which is modified */
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/********************************************************************//**
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Inserts a modified block into the flush list in the right sorted position.
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This function is used by recovery, because there the modifications do not
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necessarily come in the order of lsn's. */
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UNIV_INTERN
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void
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buf_flush_insert_sorted_into_flush_list(
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/*====================================*/
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buf_block_t* block); /*!< in/out: block which is modified */
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/********************************************************************//**
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This function should be called at a mini-transaction commit, if a page was
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modified in it. Puts the block to the list of modified blocks, if it is not
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already in it. */
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UNIV_INLINE
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void
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buf_flush_note_modification(
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/*========================*/
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buf_block_t* block, /*!< in: block which is modified */
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mtr_t* mtr) /*!< in: mtr */
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{
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ut_ad(block);
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ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
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ut_ad(block->page.buf_fix_count > 0);
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#ifdef UNIV_SYNC_DEBUG
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ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX));
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#endif /* UNIV_SYNC_DEBUG */
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ut_ad(buf_pool_mutex_own());
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ut_ad(mtr->start_lsn != 0);
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ut_ad(mtr->modifications);
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ut_ad(block->page.newest_modification <= mtr->end_lsn);
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block->page.newest_modification = mtr->end_lsn;
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if (!block->page.oldest_modification) {
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block->page.oldest_modification = mtr->start_lsn;
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ut_ad(block->page.oldest_modification != 0);
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buf_flush_insert_into_flush_list(block);
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} else {
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ut_ad(block->page.oldest_modification <= mtr->start_lsn);
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}
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++srv_buf_pool_write_requests;
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}
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/********************************************************************//**
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This function should be called when recovery has modified a buffer page. */
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UNIV_INLINE
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void
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buf_flush_recv_note_modification(
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/*=============================*/
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buf_block_t* block, /*!< in: block which is modified */
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ib_uint64_t start_lsn, /*!< in: start lsn of the first mtr in a
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set of mtr's */
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ib_uint64_t end_lsn) /*!< in: end lsn of the last mtr in the
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set of mtr's */
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{
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ut_ad(block);
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ut_ad(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
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ut_ad(block->page.buf_fix_count > 0);
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#ifdef UNIV_SYNC_DEBUG
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ut_ad(rw_lock_own(&(block->lock), RW_LOCK_EX));
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#endif /* UNIV_SYNC_DEBUG */
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buf_pool_mutex_enter();
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ut_ad(block->page.newest_modification <= end_lsn);
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block->page.newest_modification = end_lsn;
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if (!block->page.oldest_modification) {
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block->page.oldest_modification = start_lsn;
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ut_ad(block->page.oldest_modification != 0);
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buf_flush_insert_sorted_into_flush_list(block);
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} else {
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ut_ad(block->page.oldest_modification <= start_lsn);
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}
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buf_pool_mutex_exit();
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}
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#endif /* !UNIV_HOTBACKUP */
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