Symbol: nfscl_relbytelock
sys/fs/nfs/nfs_var.h
605
int nfscl_relbytelock(vnode_t, u_int64_t, u_int64_t,
sys/fs/nfsclient/nfs_clrpcops.c
4684
error = nfscl_relbytelock(vp, off, len, cred, p, callcnt,