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