/* ARGSUSED */
static int
cgd_ioctl_clr(struct cgd_softc *cs, struct lwp *l)
{
struct dk_softc *dksc = &cs->sc_dksc;
if (!DK_ATTACHED(dksc))
return ENXIO;
/* Delete all of our wedges. */
dkwedge_delall(&dksc->sc_dkdev);
/* Kill off any queued buffers. */
dk_drain(dksc);
bufq_free(dksc->sc_bufq);
(void)vn_close(cs->sc_tvn, FREAD|FWRITE, l->l_cred);
cs->sc_cfuncs->cf_destroy(cs->sc_cdata.cf_priv);
free(cs->sc_tpath, M_DEVBUF);
free(cs->sc_data, M_DEVBUF);
cs->sc_data_used = 0;
dk_detach(dksc);
disk_detach(&dksc->sc_dkdev);
return 0;
}
static int
vnddoclear(struct vnd_softc *vnd, int pmask, int minor, bool force)
{
int error;
if ((error = vndlock(vnd)) != 0)
return error;
/*
* Don't unconfigure if any other partitions are open
* or if both the character and block flavors of this
* partition are open.
*/
if (DK_BUSY(vnd, pmask) && !force) {
vndunlock(vnd);
return EBUSY;
}
/* Delete all of our wedges */
dkwedge_delall(&vnd->sc_dkdev);
/*
* XXX vndclear() might call vndclose() implicitly;
* release lock to avoid recursion
*
* Set VNF_CLEARING to prevent vndopen() from
* sneaking in after we vndunlock().
*/
vnd->sc_flags |= VNF_CLEARING;
vndunlock(vnd);
vndclear(vnd, minor);
#ifdef DEBUG
if (vnddebug & VDB_INIT)
printf("vndioctl: CLRed\n");
#endif
/* Destroy the xfer and buffer pools. */
pool_destroy(&vnd->sc_vxpool);
/* Detach the disk. */
disk_detach(&vnd->sc_dkdev);
return 0;
}
