fs/devfs/devfs_vnops.c

396 	struct cdevsw *dsw;
460 		dsw = dev->si_devsw;
461 		if (dsw != NULL && (dsw->d_flags & D_TTY) != 0)
530 	struct cdevsw *dsw;
574 	dsw = dev_refthread(dev, &ref);
575 	if (dsw == NULL)
580 	} else if (dsw->d_flags & D_TRACKCLOSE) {
593 	error = dsw->d_close(dev, ap->a_fflag, S_IFCHR, td);
728 	struct cdevsw *dsw;
737 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
742 		*(int *)data = dsw->d_flags & D_TYPEMASK;
758 	error = dsw->d_ioctl(dev, com, data, fp->f_flag, td);
794 	struct cdevsw *dsw;
801 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
804 	error = dsw->d_kqfilter(dev, kn);
1051 	struct cdevsw *dsw;
1065 	dsw = dev_refthread(dev, &ref);
1066 	if (dsw == NULL)
1068 	if (fp == NULL && dsw->d_fdopen != NULL) {
1082 	if (dsw->d_fdopen != NULL)
1083 		error = dsw->d_fdopen(dev, ap->a_mode, td, fp);
1085 		error = dsw->d_open(dev, ap->a_mode, S_IFCHR, td);
1147 	struct cdevsw *dsw;
1152 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
1155 	error = dsw->d_poll(dev, events, td);
1179 	struct cdevsw *dsw;
1185 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
1194 	error = dsw->d_read(dev, uio, ioflag);
1656 	struct cdevsw *dsw;
1662 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
1673 	error = dsw->d_write(dev, uio, ioflag);