diff options
Diffstat (limited to 'storage/innobase/include/ibuf0ibuf.h')
| -rw-r--r-- | storage/innobase/include/ibuf0ibuf.h | 78 |
1 files changed, 65 insertions, 13 deletions
diff --git a/storage/innobase/include/ibuf0ibuf.h b/storage/innobase/include/ibuf0ibuf.h index 0f1631fde77..28c97fd609f 100644 --- a/storage/innobase/include/ibuf0ibuf.h +++ b/storage/innobase/include/ibuf0ibuf.h @@ -43,7 +43,7 @@ typedef enum { IBUF_OP_DELETE = 2, /* Number of different operation types. */ - IBUF_OP_COUNT = 3, + IBUF_OP_COUNT = 3 } ibuf_op_t; /** Combinations of operations that can be buffered. Because the enum @@ -63,6 +63,11 @@ typedef enum { /** Operations that can currently be buffered. */ extern ibuf_use_t ibuf_use; +#if defined UNIV_DEBUG || defined UNIV_IBUF_DEBUG +/** Flag to control insert buffer debugging. */ +extern uint ibuf_debug; +#endif /* UNIV_DEBUG || UNIV_IBUF_DEBUG */ + /** The insert buffer control structure */ extern ibuf_t* ibuf; @@ -99,6 +104,22 @@ UNIV_INTERN void ibuf_update_max_tablespace_id(void); /*===============================*/ +/***************************************************************//** +Starts an insert buffer mini-transaction. */ +UNIV_INLINE +void +ibuf_mtr_start( +/*===========*/ + mtr_t* mtr) /*!< out: mini-transaction */ + __attribute__((nonnull)); +/***************************************************************//** +Commits an insert buffer mini-transaction. */ +UNIV_INLINE +void +ibuf_mtr_commit( +/*============*/ + mtr_t* mtr) /*!< in/out: mini-transaction */ + __attribute__((nonnull)); /*********************************************************************//** Initializes an ibuf bitmap page. */ UNIV_INTERN @@ -219,10 +240,12 @@ routine. For instance, a read-ahead of non-ibuf pages is forbidden by threads that are executing an insert buffer routine. @return TRUE if inside an insert buffer routine */ -UNIV_INTERN +UNIV_INLINE ibool -ibuf_inside(void); -/*=============*/ +ibuf_inside( +/*========*/ + const mtr_t* mtr) /*!< in: mini-transaction */ + __attribute__((nonnull, pure)); /***********************************************************************//** Checks if a page address is an ibuf bitmap page (level 3 page) address. @return TRUE if a bitmap page */ @@ -239,15 +262,44 @@ Must not be called when recv_no_ibuf_operations==TRUE. @return TRUE if level 2 or level 3 page */ UNIV_INTERN ibool -ibuf_page( -/*======*/ - ulint space, /*!< in: space id */ - ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ - ulint page_no,/*!< in: page number */ - mtr_t* mtr); /*!< in: mtr which will contain an x-latch to the - bitmap page if the page is not one of the fixed - address ibuf pages, or NULL, in which case a new - transaction is created. */ +ibuf_page_low( +/*==========*/ + ulint space, /*!< in: space id */ + ulint zip_size,/*!< in: compressed page size in bytes, or 0 */ + ulint page_no,/*!< in: page number */ +#ifdef UNIV_DEBUG + ibool x_latch,/*!< in: FALSE if relaxed check + (avoid latching the bitmap page) */ +#endif /* UNIV_DEBUG */ + const char* file, /*!< in: file name */ + ulint line, /*!< in: line where called */ + mtr_t* mtr) /*!< in: mtr which will contain an + x-latch to the bitmap page if the page + is not one of the fixed address ibuf + pages, or NULL, in which case a new + transaction is created. */ + __attribute__((warn_unused_result)); +#ifdef UNIV_DEBUG +/** Checks if a page is a level 2 or 3 page in the ibuf hierarchy of +pages. Must not be called when recv_no_ibuf_operations==TRUE. +@param space tablespace identifier +@param zip_size compressed page size in bytes, or 0 +@param page_no page number +@param mtr mini-transaction or NULL +@return TRUE if level 2 or level 3 page */ +# define ibuf_page(space, zip_size, page_no, mtr) \ + ibuf_page_low(space, zip_size, page_no, TRUE, __FILE__, __LINE__, mtr) +#else /* UVIV_DEBUG */ +/** Checks if a page is a level 2 or 3 page in the ibuf hierarchy of +pages. Must not be called when recv_no_ibuf_operations==TRUE. +@param space tablespace identifier +@param zip_size compressed page size in bytes, or 0 +@param page_no page number +@param mtr mini-transaction or NULL +@return TRUE if level 2 or level 3 page */ +# define ibuf_page(space, zip_size, page_no, mtr) \ + ibuf_page_low(space, zip_size, page_no, __FILE__, __LINE__, mtr) +#endif /* UVIV_DEBUG */ /***********************************************************************//** Frees excess pages from the ibuf free list. This function is called when an OS thread calls fsp services to allocate a new file segment, or a new page to a |