418 #define ubh_isblockclear(ubh,begin,block) (!_ubh_isblockset_(uspi,ubh,begin,block))  argument
420 #define ubh_isblockset(ubh,begin,block) _ubh_isblockset_(uspi,ubh,begin,block)  argument
422 	struct ufs_buffer_head * ubh, unsigned begin, unsigned block)  in _ubh_isblockset_()  argument
426 	    	return (*ubh_get_addr (ubh, begin + block) == 0xff);  in _ubh_isblockset_()
428 		return (*ubh_get_addr (ubh, begin + (block >> 1)) == (0x0f << ((block & 0x01) << 2)));  in _ubh_isblockset_()
430 		return (*ubh_get_addr (ubh, begin + (block >> 2)) == (0x03 << ((block & 0x03) << 1)));  in _ubh_isblockset_()
432 		return (*ubh_get_addr (ubh, begin + (block >> 3)) == (0x01 << (block & 0x07)));  in _ubh_isblockset_()
437 #define ubh_clrblock(ubh,begin,block) _ubh_clrblock_(uspi,ubh,begin,block)  argument
439 	struct ufs_buffer_head * ubh, unsigned begin, unsigned block)  in _ubh_clrblock_()  argument
443 	    	*ubh_get_addr (ubh, begin + block) = 0x00;  in _ubh_clrblock_()
446 		*ubh_get_addr (ubh, begin + (block >> 1)) &= ~(0x0f << ((block & 0x01) << 2));  in _ubh_clrblock_()
449 		*ubh_get_addr (ubh, begin + (block >> 2)) &= ~(0x03 << ((block & 0x03) << 1));  in _ubh_clrblock_()
452 		*ubh_get_addr (ubh, begin + (block >> 3)) &= ~(0x01 << ((block & 0x07)));  in _ubh_clrblock_()
457 #define ubh_setblock(ubh,begin,block) _ubh_setblock_(uspi,ubh,begin,block)  argument
459 	struct ufs_buffer_head * ubh, unsigned begin, unsigned block)  in _ubh_setblock_()  argument
463 	    	*ubh_get_addr(ubh, begin + block) = 0xff;  in _ubh_setblock_()
466 		*ubh_get_addr(ubh, begin + (block >> 1)) |= (0x0f << ((block & 0x01) << 2));  in _ubh_setblock_()
469 		*ubh_get_addr(ubh, begin + (block >> 2)) |= (0x03 << ((block & 0x03) << 1));  in _ubh_setblock_()
472 		*ubh_get_addr(ubh, begin + (block >> 3)) |= (0x01 << ((block & 0x07)));  in _ubh_setblock_()