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Viewing changes to storage/innobase/buf/buf0buf.c

Tags: innodb-plugin-1.0.2
InnoDB Plugin 1.0.2

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storage/innobase/buf/buf0buf.c
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                }
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                /* InnoDB versions < 4.0.14 and < 4.1.1 stored the space id
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                (always equal to 0), to FIL_PAGE_SPACE_SPACE_OR_CHKSUM */
 
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                (always equal to 0), to FIL_PAGE_SPACE_OR_CHKSUM */
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                if (checksum_field != 0
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                    && checksum_field != BUF_NO_CHECKSUM_MAGIC
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        fprintf(stderr, "  InnoDB: Page dump in ascii and hex (%lu bytes):\n",
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                (ulong) size);
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        ut_print_buf(stderr, read_buf, size);
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        fputs("InnoDB: End of page dump\n", stderr);
 
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        fputs("\nInnoDB: End of page dump\n", stderr);
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        if (zip_size) {
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                /* Print compressed page. */
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        if (UNIV_UNLIKELY(buf_pool->LRU_old == bpage)) {
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                buf_pool->LRU_old = dpage;
 
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#ifdef UNIV_LRU_DEBUG
 
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                /* buf_pool->LRU_old must be the first item in the LRU list
 
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                whose "old" flag is set. */
 
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                ut_a(!UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)
 
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                     || !UT_LIST_GET_PREV(LRU, buf_pool->LRU_old)->old);
 
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                ut_a(!UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)
 
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                     || UT_LIST_GET_NEXT(LRU, buf_pool->LRU_old)->old);
 
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#endif /* UNIV_LRU_DEBUG */
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        }
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        ut_d(UT_LIST_VALIDATE(LRU, buf_page_t, buf_pool->LRU));
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        }
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        if (UNIV_UNLIKELY(modify_clock != block->modify_clock)) {
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#ifdef UNIV_SYNC_DEBUG
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                buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK);
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#endif /* UNIV_SYNC_DEBUG */
 
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                if (rw_latch == RW_S_LATCH) {
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                        rw_lock_s_unlock(&(block->lock));
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                } else {
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#ifdef UNIV_DEBUG_FILE_ACCESSES
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        ut_a(block->page.file_page_was_freed == FALSE);
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#endif /* UNIV_DEBUG_FILE_ACCESSES */
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#ifdef UNIV_SYNC_DEBUG
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        buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK);
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#endif /* UNIV_SYNC_DEBUG */
 
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        buf_pool->n_page_gets++;
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        return(block);
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                ut_error;
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        }
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        mutex_exit(buf_page_get_mutex(bpage));
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        buf_pool_mutex_exit();
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#ifdef UNIV_DEBUG
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        if (buf_debug_prints) {
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                fprintf(stderr, "Has %s page space %lu page no %lu\n",
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                        (ulong) buf_page_get_page_no(bpage));
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        }
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#endif /* UNIV_DEBUG */
 
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        mutex_exit(buf_page_get_mutex(bpage));
 
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        buf_pool_mutex_exit();
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}
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/*************************************************************************
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}
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#endif /* UNIV_DEBUG_PRINT || UNIV_DEBUG || UNIV_BUF_DEBUG */
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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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        return(fixed_pages_number);
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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. */