Provided by:
systemtap-doc_0.0.20090214-1ubuntu1_all 
NAME
probe_scsi.iodispatching - SCSI mid-layer dispatched low-level SCSI
command
SYNOPSIS
probe scsi.iodispatching
VALUES
lun
The lun number
req_bufflen
The request buffer length
host_no
The host number
device_state
The current state of the device.
dev_id
The scsi device id
channel
The channel number
data_direction
The data_direction specifies whether this command is from/to the
device. 0 (DMA_BIDIRECTIONAL), 1 (DMA_TO_DEVICE), 2
(DMA_FROM_DEVICE), 3 (DMA_NONE)
request_buffer
The request buffer address
AUTHOR
William Cohen <wcohen@redhat.com>