vop_nmkdir
.vop_nmkdir = vop_compat_nmkdir,
.vop_nmkdir = journal_nmkdir,
DO_OPS(ops, error, &ap, vop_nmkdir);
DO_OPS(ap->a_head.a_ops, error, ap, vop_nmkdir);
vop_nmkdir((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap)
int (*vop_nmkdir)(struct vop_nmkdir_args *);
int vop_nmkdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
.vop_nmkdir = autofs_nmkdir,
.vop_nmkdir = devfs_vop_nmkdir,
.vop_nmkdir = dirfs_nmkdir,
.vop_nmkdir = fuse_vop_nmkdir,
.vop_nmkdir = hammer_vop_nmkdir,
.vop_nmkdir = hammer2_vop_nmkdir,
.vop_nmkdir = null_nmkdir,
.vop_nmkdir = tmpfs_nmkdir,
int (*vop_nmkdir)(struct vop_nmkdir_args *);
.vop_nmkdir = hammer2_vop_nmkdir,