函数flst_init

/** The null file address */
UNIV_INTERN fil_addr_t fil_addr_null = {FIL_NULL, 0};

/********************************************************************//**Initializes a list base node. */UNIV_INLINEvoidflst_init(/*======*/    flst_base_node_t*    base,    /*!< in: pointer to base node */    mtr_t*            mtr)    /*!< in: mini-transaction handle */{    ut_ad(mtr_memo_contains_page(mtr, base, MTR_MEMO_PAGE_X_FIX));    mlog_write_ulint(, MLOG_4BYTES, mtr);    flst_write_addr(base + FLST_FIRST, fil_addr_null, mtr);    flst_write_addr(base + FLST_LAST, fil_addr_null, mtr);}/********************************************************************//**Writes a file address. */UNIV_INLINEvoidflst_write_addr(/*============*/    fil_faddr_t*    faddr,    /*!< in: pointer to file faddress */    fil_addr_t    addr,    /*!< in: file address */    mtr_t*        mtr)    /*!< in: mini-transaction handle */{    ut_ad(faddr && mtr);    ut_ad(mtr_memo_contains_page(mtr, faddr, MTR_MEMO_PAGE_X_FIX));    ut_a(addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA);    ut_a(ut_align_offset(faddr, UNIV_PAGE_SIZE) >= FIL_PAGE_DATA);    mlog_write_ulint(faddr + FIL_ADDR_PAGE, addr.page, MLOG_4BYTES, mtr);    mlog_write_ulint(faddr + FIL_ADDR_BYTE, addr.boffset,             MLOG_2BYTES, mtr);}