Symbol: nfscl_relbytelock
sys/fs/nfs/client/nfs_clrpcops.c
3738
error = nfscl_relbytelock(vp, off, len, cred, p, callcnt,
sys/fs/nfs/common/nfs_var.h
517
int nfscl_relbytelock(vnode_t, u_int64_t, u_int64_t,