diff options
author | Guilhem Bichot <guilhem@mysql.com> | 2009-08-07 12:16:00 +0200 |
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committer | Guilhem Bichot <guilhem@mysql.com> | 2009-08-07 12:16:00 +0200 |
commit | 7ceb29ff17047a268d8e8670478f6e1669939904 (patch) | |
tree | 65b42f5cb11f29ea5b4414ff075ccafd48569ad6 /storage/innobase/include/buf0flu.ic | |
parent | 7fa1449eac29401b3d1f3fb4980149e9e562a705 (diff) | |
download | mariadb-git-7ceb29ff17047a268d8e8670478f6e1669939904.tar.gz |
Renamed storage/innodb_plugin to storage/innobase, so that 1) it's the same
layout as we always had in trees containing only the builtin
2) win\configure.js WITH_INNOBASE_STORAGE_ENGINE still works.
storage/innobase/CMakeLists.txt:
fix to new directory name (and like 5.1)
storage/innobase/Makefile.am:
fix to new directory name (and like 5.1)
storage/innobase/handler/ha_innodb.cc:
fix to new directory name (and like 5.1)
storage/innobase/plug.in:
fix to new directory name (and like 5.1)
Diffstat (limited to 'storage/innobase/include/buf0flu.ic')
-rw-r--r-- | storage/innobase/include/buf0flu.ic | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/storage/innobase/include/buf0flu.ic b/storage/innobase/include/buf0flu.ic new file mode 100644 index 00000000000..c90cd59e4b6 --- /dev/null +++ b/storage/innobase/include/buf0flu.ic @@ -0,0 +1,123 @@ +/***************************************************************************** + +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 */ |