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scsi_test_unit_ready
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
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
sdev
- scsi 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, a return of NOT_READY or UNIT_ATTENTION is translated to success, with the ->changed flag updated.
AUTHORS
James Bottomley <James.Bottomley@hansenpartnership.com>
- Author.
Rob Landley <rob@landley.net>
- Author.
COPYRIGHT
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