vfs_root
KKASSERT(vfsops->vfs_root != NULL);
if (vfsops->vfs_root == NULL) {
vfsops->vfs_root = vfs_stdroot;
error = (mp->mnt_op->vfs_root)(mp, vpp);
int vfs_root(struct mount *mp, struct vnode **vpp);
vfs_root_t *vfs_root;
vfs_root(MP, VPP)
.vfs_root = autofs_root,
.vfs_root = devfs_vfs_root,
.vfs_root = dirfs_root,
.vfs_root = ext2_root, /* root inode via vget */
.vfs_root = fuse_root,
.vfs_root = hammer_vfs_root,
.vfs_root = hammer2_vfs_root,
.vfs_root = hpfs_root,
.vfs_root = cd9660_root,
.vfs_root = ufs_root,
.vfs_root = msdosfs_root,
.vfs_root = nfs_root,
.vfs_root = ntfs_root,
.vfs_root = nullfs_root,
.vfs_root = procfs_root,
.vfs_root = smbfs_root,
.vfs_root = tmpfs_root,
.vfs_root = udf_root,
.vfs_root = ufs_root,