wdopen            395 dev/ata/wd.c   		if (bdevsw[bmaj].d_open == wdopen)
wdopen            398 dev/ata/wd.c   		if (cdevsw[cmaj].d_open == wdopen)
wdopen            965 dev/ata/wd.c   	if (omask == 0 && wdopen(dev, 0, S_IFBLK, NULL) != 0) {