Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::scsi.iocompleted - SCSI mid-layer running the completion processing for block device I/O requests
SYNOPSIS
scsi.iocompleted
VALUES
device_state_str
The current state of the device, as a string
lun
The lun number
channel
The channel number
dev_id
The scsi device id
data_direction
The data_direction specifies whether this command is from/to the device
host_no
The host number
data_direction_str
Data direction, as a string
req_addr
The current struct request pointer, as a number
device_state
The current state of the device
goodbytes
The bytes completed
SystemTap Tapset Reference March 2016 PROBE::SCSI.IOCOMP(3stap)