Symbol: nfsrpc_advlock
sys/fs/nfs/nfs_var.h
515
int nfsrpc_advlock(vnode_t, off_t, int, struct flock *, int,
sys/fs/nfsclient/nfs_clvnops.c
3509
ret = nfsrpc_advlock(vp, np->n_size, ap->a_op,