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Viewing changes to storage/innobase/include/buf0buf.h

Tags: innodb-plugin-1.0.2
InnoDB Plugin 1.0.2

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storage/innobase/include/buf0buf.h
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        const byte*     read_buf,       /* in: a database page */
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        ulint           zip_size);      /* in: compressed page size, or
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                                        0 for uncompressed pages */
 
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#ifdef UNIV_DEBUG
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/*************************************************************************
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Returns the number of latched pages in the buffer pool. */
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UNIV_INTERN
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ulint
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buf_get_latched_pages_number(void);
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/*==============================*/
 
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#endif /* UNIV_DEBUG */
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/*************************************************************************
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Returns the number of pending buf pool ios. */
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UNIV_INTERN
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        buf_block_t*    block,  /* in: buffer page
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                                where we have acquired latch */
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        ulint           level); /* in: latching order level */
 
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#else /* UNIV_SYNC_DEBUG */
 
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# define buf_block_dbg_add_level(block, level) /* nothing */
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#endif /* UNIV_SYNC_DEBUG */
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/*************************************************************************
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Gets the state of a block. */
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                                        /* base node of the LRU list */
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        buf_page_t*     LRU_old;        /* pointer to the about 3/8 oldest
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                                        blocks in the LRU list; NULL if LRU
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                                        length less than BUF_LRU_OLD_MIN_LEN */
 
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                                        length less than BUF_LRU_OLD_MIN_LEN;
 
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                                        NOTE: when LRU_old != NULL, its length
 
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                                        should always equal LRU_old_len */
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        ulint           LRU_old_len;    /* length of the LRU list from
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                                        the block to which LRU_old points
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                                        onward, including that block;
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                                        see buf0lru.c for the restrictions
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                                        on this value; not defined if
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                                        LRU_old == NULL */
 
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                                        LRU_old == NULL;
 
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                                        NOTE: LRU_old_len must be adjusted
 
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                                        whenever LRU_old shrinks or grows! */
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        UT_LIST_BASE_NODE_T(buf_block_t) unzip_LRU;
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                                        /* base node of the unzip_LRU list */