probe::nfs.fop.read_iter — NFS client read_iter file operation
nfs.fop.read_iter
file_namefile name
poscurrent position of file
parent_nameparent dir name
countread bytes
cache_validcache related bit mask flag
inoinode number
devdevice identifier
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.
cache_timewhen we started read-caching this inode