smb_vop_access
error = smb_vop_access(snode->vp, VREAD,
error = smb_vop_access(snode->vp, faccess, V_ACE_MASK, dir_vp,
error = smb_vop_access(snode->vp, access, 0, NULL, cr);
rc = smb_vop_access(vp, VREAD, 0, NULL, user->u_cred);
rc = smb_vop_access(vp, VWRITE, 0, NULL, user->u_cred);
rc = smb_vop_access(fvp, aflags, atype,
error = smb_vop_access(vp, zfs_perms[i], flags,
error = smb_vop_access(vp, unix_perms[i], flags,
int smb_vop_access(vnode_t *, int, int, vnode_t *, cred_t *);