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, UNIT_ATTENTION sets ->changed flag.

AUTHORS

James Bottomley <[email protected]>

Author.

Rob Landley <[email protected]>

Author.

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