DOKK / manpages / debian 10 / systemtap-doc / probe::nfs.fop.write.3stap.en
PROBE::NFS.FOP.W(3stap) Network File Storage Tapsets PROBE::NFS.FOP.W(3stap)

probe::nfs.fop.write - NFS client write operation

nfs.fop.write 

devname

block device name

SystemTap uses the vfs.do_sync_write probe to implement this probe and as a result will get operations other than the NFS client write operations.

tapset::nfs(3stap)

October 2018 SystemTap Tapset Reference