/*
* Attach a disk.
*/
void
disk_attach(struct disk *diskp)
{
if (!ISSET(diskp->dk_flags, DKF_CONSTRUCTED))
disk_construct(diskp, diskp->dk_name);
/*
* Allocate and initialize the disklabel structures. Note that
* it's not safe to sleep here, since we're probably going to be
* called during autoconfiguration.
*/
diskp->dk_label = malloc(sizeof(struct disklabel), M_DEVBUF, M_NOWAIT);
diskp->dk_cpulabel = malloc(sizeof(struct cpu_disklabel), M_DEVBUF,
M_NOWAIT);
if ((diskp->dk_label == NULL) || (diskp->dk_cpulabel == NULL))
panic("disk_attach: can't allocate storage for disklabel");
bzero(diskp->dk_label, sizeof(struct disklabel));
bzero(diskp->dk_cpulabel, sizeof(struct cpu_disklabel));
/*
* Set the attached timestamp.
*/
microuptime(&diskp->dk_attachtime);
/*
* Link into the disklist.
*/
TAILQ_INSERT_TAIL(&disklist, diskp, dk_link);
++disk_count;
disk_change = 1;
}
void
vndattach(int num)
{
char *mem;
int i;
if (num <= 0)
return;
mem = mallocarray(num, sizeof(struct vnd_softc), M_DEVBUF,
M_NOWAIT | M_ZERO);
if (mem == NULL) {
printf("WARNING: no memory for vnode disks\n");
return;
}
vnd_softc = (struct vnd_softc *)mem;
for (i = 0; i < num; i++) {
struct vnd_softc *sc = &vnd_softc[i];
sc->sc_dev.dv_unit = i;
snprintf(sc->sc_dev.dv_xname, sizeof(sc->sc_dev.dv_xname),
"vnd%d", i);
disk_construct(&sc->sc_dk);
device_ref(&sc->sc_dev);
}
numvnd = num;
}
