probe::nfs.fop.read_iter — NFS client read_iter file operation
nfs.fop.read_iter
parent_nameparent dir name
file_namefile name
cache_validcache related bit mask flag
devdevice identifier
inoinode number
attrtimeohow long the cached information is assumed to be valid. We need to revalidate the cached attrs for this inode if jiffies - read_cache_jiffies > attrtimeo.
countread bytes
poscurrent position of file
cache_timewhen we started read-caching this inode