diff options
Diffstat (limited to 'storage/xtradb/include/buf0lru.h')
| -rw-r--r-- | storage/xtradb/include/buf0lru.h | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/storage/xtradb/include/buf0lru.h b/storage/xtradb/include/buf0lru.h index fe7c067dfb7..8abebfb675c 100644 --- a/storage/xtradb/include/buf0lru.h +++ b/storage/xtradb/include/buf0lru.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2011, Oracle and/or its affiliates. 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 @@ -30,18 +30,6 @@ Created 11/5/1995 Heikki Tuuri #include "ut0byte.h" #include "buf0types.h" -/** The return type of buf_LRU_free_block() */ -enum buf_lru_free_block_status { - /** freed */ - BUF_LRU_FREED = 0, - /** not freed because the caller asked to remove the - uncompressed frame but the control block cannot be - relocated */ - BUF_LRU_CANNOT_RELOCATE, - /** not freed because of some other reason */ - BUF_LRU_NOT_FREED -}; - /******************************************************************//** Tries to remove LRU flushed blocks from the end of the LRU list and put them to the free list. This is beneficial for the efficiency of the insert buffer @@ -91,6 +79,7 @@ void buf_LRU_mark_space_was_deleted( /*===========================*/ ulint id); /*!< in: space id */ +#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG /********************************************************************//** Insert a compressed block into buf_pool->zip_clean in the LRU order. */ UNIV_INTERN @@ -98,22 +87,22 @@ void buf_LRU_insert_zip_clean( /*=====================*/ buf_page_t* bpage); /*!< in: pointer to the block in question */ +#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ /******************************************************************//** Try to free a block. If bpage is a descriptor of a compressed-only page, the descriptor object will be freed as well. -NOTE: If this function returns BUF_LRU_FREED, it will temporarily +NOTE: If this function returns TRUE, it will temporarily release buf_pool_mutex. Furthermore, the page frame will no longer be accessible via bpage. The caller must hold buf_pool_mutex and buf_page_get_mutex(bpage) and release these two mutexes after the call. No other buf_page_get_mutex() may be held when calling this function. -@return BUF_LRU_FREED if freed, BUF_LRU_CANNOT_RELOCATE or -BUF_LRU_NOT_FREED otherwise. */ +@return TRUE if freed, FALSE otherwise. */ UNIV_INTERN -enum buf_lru_free_block_status +ibool buf_LRU_free_block( /*===============*/ buf_page_t* bpage, /*!< in: block to be freed */ |