Iterate over all devices of a host
shost_for_each_device(sdev, shost);
sdev
the struct scsi_device to use as a cursor
shost
the struct scsi_host to iterate over
Iterator that returns each device attached to shost. This loop takes a reference on each device and releases it at the end. If you break out of the loop, you must call scsi_device_put(sdev).