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