scsi_test_unit_ready man page on Scientific

scsi_test_unit_ready man page on Scientific

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SCSI_TEST_UNIT_READY(9)		SCSI mid layer	       SCSI_TEST_UNIT_READY(9)

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_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
Kernel Hackers Manual 2.6.	 November 2013	       SCSI_TEST_UNIT_READY(9)

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