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Annotation of coherent/f/usr/man/KERNEL/ioreq, revision 1.1

1.1     ! root        1: iioorreeqq() -- I/O Routine
        !             2: 
        !             3: vvooiidd
        !             4: #iinncclluuddee <ssyyss/iioo.hh>
        !             5: iioorreeqq(_b_p, _i_o_p, _d_e_v, _r_e_q, _f)
        !             6: BBUUFF *_b_p;
        !             7: IIOO *_i_o_p;
        !             8: ddeevv_tt _d_e_v;
        !             9: 
        !            10: iioorreeqq() queues  a request through  the _b_l_o_c_k routine  of the driver.   If a
        !            11: request is  already pending on the IO structure  referenced by _i_o_p, queuing
        !            12: will  not occur  until the  previous request is  completed.  _r_e_q  should be
        !            13: BBRREEAADD  or  BBWWRRIITTEE.  _f should  be  BBFFIIOOCC|BBFFRRAAWW  under normal  circumstances.
        !            14: iioorreeqq() is  normally called from the read/write routines  of a block device
        !            15: that does not support DMA.
        !            16: 
        !            17: _S_e_e _A_l_s_o
        !            18: ddmmaarreeqq(), II/OO rroouuttiinneess

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