static int
astclose(dev_t dev, int flags, int fmt, struct proc *p)
{
struct ast_softc *stp = dev->si_drv1;
/* flush buffers, some drives fail here, they should report ctl = 0 */
if (stp->cap.ctl && (stp->flags & F_DATA_WRITTEN))
ast_write_filemark(stp, 0);
/* write filemark if data written to tape */
if (!(stp->flags & F_ONSTREAM) &&
(stp->flags & (F_DATA_WRITTEN | F_FM_WRITTEN)) == F_DATA_WRITTEN)
ast_write_filemark(stp, WF_WRITE);
/* if minor is even rewind on close */
if (!(minor(dev) & 0x01))
ast_rewind(stp);
if (stp->cap.lock && count_dev(dev) == 1)
ast_prevent_allow(stp, 0);
stp->flags &= F_CTL_WARN;
#ifdef AST_DEBUG
ata_prtdev(stp->device, "%llu total bytes transferred\n", ast_total);
#endif
return 0;
}
static int
afd_close(struct dev_close_args *ap)
{
device_t dev = ap->a_head.a_dev->si_drv1;
struct afd_softc *fdp = device_get_ivars(dev);
if (count_dev(fdp->cdev) == 1)
afd_prevent_allow(dev, 0);
return 0;
}
static int
astopen(dev_t dev, int flags, int fmt, struct proc *p)
{
struct ast_softc *stp = dev->si_drv1;
if (!stp)
return ENXIO;
if (count_dev(dev) > 1)
return EBUSY;
atapi_test_ready(stp->device);
if (stp->cap.lock)
ast_prevent_allow(stp, 1);
if (ast_sense(stp))
ata_prtdev(stp->device, "sense media type failed\n");
stp->device->flags &= ~ATA_D_MEDIA_CHANGED;
stp->flags &= ~(F_DATA_WRITTEN | F_FM_WRITTEN);
ast_total = 0;
return 0;
}