nbl_share_conflict
if (nbl_share_conflict(vp, op, ct)) {
if (nbl_share_conflict(vp, op, ct)) {
if (nbl_share_conflict(node->vp, op, &smb_ct))
if (nbl_share_conflict(vp, NBL_REMOVE, NULL)) {
extern int nbl_share_conflict(vnode_t *, nbl_op_t, caller_context_t *);