Name
scsi_test_unit_ready —
test if unit is ready
Synopsis
int scsi_test_unit_ready ( | struct scsi_device * sdev, |
| | int timeout, |
| | int retries, |
| | struct scsi_sense_hdr * sshdr); |
Arguments
struct scsi_device * sdev
scsi device to change the state of.
int timeout
command timeout
int retries
number of retries before failing
struct scsi_sense_hdr * sshdr
outpout pointer for decoded sense information.
Description
Returns zero if unsuccessful or an error if TUR failed. For
removable media, UNIT_ATTENTION sets ->changed flag.