Provided by: systemtap-doc_2.9-2ubuntu2_all 

NAME
probe::nfsd.write - NFS server writing data to a file for client
SYNOPSIS
nfsd.write
VALUES
offset
the offset of file
file
argument file, indicates if the file has been opened.
count
read bytes
size
read bytes
client_ip
the ip address of client
vec
struct kvec, includes buf address in kernel address and length of each buffer
vlen
read blocks
fh
file handle (the first part is the length of the file handle)
SEE ALSO
tapset::nfsd(3stap)
SystemTap Tapset Reference April 2016 PROBE::NFSD.WRITE(3stap)