other versions
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- stretch 4.9.144-3
SCSI_TEST_UNIT_READY(9) | SCSI mid layer | SCSI_TEST_UNIT_READY(9) |
NAME¶
scsi_test_unit_ready - test if unit is readySYNOPSIS¶
int
scsi_test_unit_ready(struct scsi_device * sdev,
int timeout, int retries,
struct scsi_sense_hdr * sshdr_external);
ARGUMENTS¶
sdevscsi device to change the state of.
timeout
command timeout
retries
number of retries before failing
sshdr_external
Optional pointer to struct scsi_sense_hdr for returning
sense. Make sure that this is cleared before passing in.
DESCRIPTION¶
Returns zero if unsuccessful or an error if TUR failed. For removable media, UNIT_ATTENTION sets ->changed flag.AUTHORS¶
James Bottomley <James.Bottomley@hansenpartnership.com>Author.
Rob Landley <rob@landley.net>
Author.
COPYRIGHT¶
May 2018 | Kernel Hackers Manual 4.9. |