int
cd9660_mountroot(void)
{
struct mount *mp;
extern struct vnode *rootvp;
struct proc *p = curproc; /* XXX */
int error;
struct iso_args args;
/*
* Get vnodes for swapdev and rootdev.
*/
if ((error = bdevvp(swapdev, &swapdev_vp)) ||
(error = bdevvp(rootdev, &rootvp))) {
printf("cd9660_mountroot: can't setup bdevvp's");
return (error);
}
if ((error = vfs_rootmountalloc("cd9660", "root_device", &mp)) != 0)
return (error);
args.flags = ISOFSMNT_ROOT;
if ((error = iso_mountfs(rootvp, mp, p, &args)) != 0) {
mp->mnt_vfc->vfc_refcount--;
vfs_unbusy(mp);
free(mp, M_MOUNT, 0);
return (error);
}
TAILQ_INSERT_TAIL(&mountlist, mp, mnt_list);
(void)cd9660_statfs(mp, &mp->mnt_stat, p);
vfs_unbusy(mp);
inittodr(0);
return (0);
}
static int
iso_mountroot(struct mount *mp)
{
struct iso_args args;
struct vnode *rootvp;
int error;
if ((error = bdevvp(rootdev, &rootvp))) {
kprintf("iso_mountroot: can't find rootvp\n");
return (error);
}
args.flags = ISOFSMNT_ROOT;
vn_lock(rootvp, LK_EXCLUSIVE | LK_RETRY);
error = VOP_OPEN(rootvp, FREAD, FSCRED, NULL);
vn_unlock(rootvp);
if (error)
return (error);
args.ssector = iso_get_ssector(rootdev);
vn_lock(rootvp, LK_EXCLUSIVE | LK_RETRY);
VOP_CLOSE(rootvp, FREAD, NULL);
vn_unlock(rootvp);
if (bootverbose)
kprintf("iso_mountroot(): using session at block %d\n",
args.ssector);
if ((error = iso_mountfs(rootvp, mp, &args)) != 0)
return (error);
cd9660_statfs(mp, &mp->mnt_stat, proc0.p_ucred);
return (0);
}
int
cd9660_mountroot()
{
register struct mount *mp;
extern struct vnode *rootvp;
struct proc *p = current_proc(); /* XXX */
struct iso_mnt *imp;
size_t size;
int error;
struct iso_args args;
/*
* Get vnodes for swapdev and rootdev.
*/
if ( bdevvp(rootdev, &rootvp))
panic("cd9660_mountroot: can't setup bdevvp's");
MALLOC_ZONE(mp, struct mount *,
sizeof(struct mount), M_MOUNT, M_WAITOK);
bzero((char *)mp, (u_long)sizeof(struct mount));
/* Initialize the default IO constraints */
mp->mnt_maxreadcnt = mp->mnt_maxwritecnt = MAXPHYS;
mp->mnt_segreadcnt = mp->mnt_segwritecnt = 32;
mp->mnt_op = &cd9660_vfsops;
mp->mnt_flag = MNT_RDONLY;
LIST_INIT(&mp->mnt_vnodelist);
args.flags = ISOFSMNT_ROOT;
args.ssector = 0;
args.fspec = 0;
args.toc_length = 0;
args.toc = 0;
if ((error = iso_mountfs(rootvp, mp, p, &args))) {
vrele(rootvp); /* release the reference from bdevvp() */
if (mp->mnt_kern_flag & MNTK_IO_XINFO)
FREE(mp->mnt_xinfo_ptr, M_TEMP);
FREE_ZONE(mp, sizeof (struct mount), M_MOUNT);
return (error);
}
simple_lock(&mountlist_slock);
CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list);
simple_unlock(&mountlist_slock);
mp->mnt_vnodecovered = NULLVP;
imp = VFSTOISOFS(mp);
(void) copystr("/", mp->mnt_stat.f_mntonname, MNAMELEN - 1,
&size);
bzero(mp->mnt_stat.f_mntonname + size, MNAMELEN - size);
(void) copystr(ROOTNAME, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
&size);
bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
(void)cd9660_statfs(mp, &mp->mnt_stat, p);
return (0);
}
