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