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