diff options
Diffstat (limited to 'storage/innobase/include/buf0buf.h')
| -rw-r--r-- | storage/innobase/include/buf0buf.h | 44 |
1 files changed, 11 insertions, 33 deletions
diff --git a/storage/innobase/include/buf0buf.h b/storage/innobase/include/buf0buf.h index 278a8f56524..70c27076371 100644 --- a/storage/innobase/include/buf0buf.h +++ b/storage/innobase/include/buf0buf.h @@ -24,8 +24,7 @@ The database buffer pool high-level routines Created 11/5/1995 Heikki Tuuri *******************************************************/ -#ifndef buf0buf_h -#define buf0buf_h +#pragma once /** Magic value to use instead of checksums when they are disabled */ #define BUF_NO_CHECKSUM_MAGIC 0xDEADBEEFUL @@ -43,21 +42,12 @@ Created 11/5/1995 Heikki Tuuri #include "transactional_lock_guard.h" #include <ostream> -// Forward declaration -struct fil_addr_t; - /** @name Modes for buf_page_get_gen */ /* @{ */ #define BUF_GET 10 /*!< get always */ #define BUF_GET_IF_IN_POOL 11 /*!< get if in pool */ #define BUF_PEEK_IF_IN_POOL 12 /*!< get if in pool, do not make the block young in the LRU list */ -#define BUF_GET_NO_LATCH 14 /*!< get and bufferfix, but - set no latch; we have - separated this case, because - it is error-prone programming - not to set a latch, and it - should be used with care */ #define BUF_GET_IF_IN_POOL_OR_WATCH 15 /*!< Get the page only if it's in the buffer pool, if not then set a watch @@ -65,7 +55,6 @@ struct fil_addr_t; #define BUF_GET_POSSIBLY_FREED 16 /*!< Like BUF_GET, but do not mind if the file page has been freed. */ -#define BUF_EVICT_IF_IN_POOL 20 /*!< evict a clean block if found */ /* @} */ /** If LRU list of a buf_pool is less than this size then LRU eviction @@ -167,21 +156,9 @@ buf_block_free( /*===========*/ buf_block_t* block); /*!< in, own: block to be freed */ -/**************************************************************//** -NOTE! The following macros should be used instead of buf_page_get_gen, -to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed -in LA! */ #define buf_page_get(ID, SIZE, LA, MTR) \ buf_page_get_gen(ID, SIZE, LA, NULL, BUF_GET, MTR) -/**************************************************************//** -Use these macros to bufferfix a page with no latching. Remember not to -read the contents of the page unless you know it is safe. Do not modify -the contents of the page! We have separated this case, because it is -error-prone programming not to set a latch, and it should be used -with care. */ -#define buf_page_get_with_no_latch(ID, SIZE, MTR) \ - buf_page_get_gen(ID, SIZE, RW_NO_LATCH, NULL, BUF_GET_NO_LATCH, MTR) /** Try to acquire a page latch. @param rw_latch RW_S_LATCH or RW_X_LATCH @param block guessed block @@ -217,8 +194,8 @@ buf_page_t *buf_page_get_zip(const page_id_t page_id, ulint zip_size); @param[in] rw_latch RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH @param[in] guess guessed block or NULL @param[in] mode BUF_GET, BUF_GET_IF_IN_POOL, -BUF_PEEK_IF_IN_POOL, BUF_GET_NO_LATCH, or BUF_GET_IF_IN_POOL_OR_WATCH -@param[in] mtr mini-transaction +BUF_PEEK_IF_IN_POOL, or BUF_GET_IF_IN_POOL_OR_WATCH +@param[in,out] mtr mini-transaction @param[out] err DB_SUCCESS or error code @param[in] allow_ibuf_merge Allow change buffer merge while reading the pages from file. @@ -232,7 +209,8 @@ buf_page_get_gen( ulint mode, mtr_t* mtr, dberr_t* err = NULL, - bool allow_ibuf_merge = false); + bool allow_ibuf_merge = false) + MY_ATTRIBUTE((nonnull(6), warn_unused_result)); /** This is the low level function used to get access to a database page. @param[in] page_id page id @@ -240,8 +218,9 @@ buf_page_get_gen( @param[in] rw_latch RW_S_LATCH, RW_X_LATCH, RW_NO_LATCH @param[in] guess guessed block or NULL @param[in] mode BUF_GET, BUF_GET_IF_IN_POOL, -BUF_PEEK_IF_IN_POOL, BUF_GET_NO_LATCH, or BUF_GET_IF_IN_POOL_OR_WATCH -@param[in] mtr mini-transaction +BUF_PEEK_IF_IN_POOL, or BUF_GET_IF_IN_POOL_OR_WATCH +@param[in,out] mtr mini-transaction, or NULL if a + block with page_id is to be evicted @param[out] err DB_SUCCESS or error code @param[in] allow_ibuf_merge Allow change buffer merge to happen while reading the page from file @@ -1390,8 +1369,9 @@ public: } /** Release and evict a corrupted page. - @param bpage page that was being read */ - ATTRIBUTE_COLD void corrupted_evict(buf_page_t *bpage); + @param bpage x-latched page that was found corrupted + @param state expected current state of the page */ + ATTRIBUTE_COLD void corrupted_evict(buf_page_t *bpage, uint32_t state); /** Release a memory block to the buffer pool. */ ATTRIBUTE_COLD void free_block(buf_block_t *block); @@ -2219,5 +2199,3 @@ struct CheckUnzipLRUAndLRUList { #include "buf0buf.inl" #endif /* !UNIV_INNOCHECKSUM */ - -#endif |