Provided by: systemtap-doc_2.9-2ubuntu2_all 

NAME
probe::nfs.proc.write_setup - NFS client setting up a write RPC task
SYNOPSIS
nfs.proc.write_setup
VALUES
how
used to set args.stable. The stable value could be: NFS_UNSTABLE,NFS_DATA_SYNC,NFS_FILE_SYNC (in
nfs.proc3.write_setup and nfs.proc4.write_setup)
version
NFS version
bitmask0
V4 bitmask representing the set of attributes supported on this filesystem
prot
transfer protocol
offset
the file offset
count
bytes written in this execution
server_ip
IP address of server
bitmask1
V4 bitmask representing the set of attributes supported on this filesystem
size
bytes written in this execution
DESCRIPTION
The write_setup function is used to setup a write RPC task. It is not doing the actual write operation.
SEE ALSO
tapset::nfs_proc(3stap)
SystemTap Tapset Reference April 2016 PROBE::NFS.PROC.(3stap)