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