probe::nfsd.read — NFS server reading data from a file for client
nfsd.read
vlenread blocks
vecstruct kvec, includes buf address in kernel address and length of each buffer
fhfile handle (the first part is the length of the file handle)
countread bytes
sizeread bytes
fileargument file, indicates if the file has been opened.
client_ipthe ip address of client
offsetthe offset of file