Re: [PATCH 4/6] st: call scsi_set_medium_removal directly

[Hannes Reinecke <hare@suse.de>]

On 10/30/2014 10:27 AM, Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  drivers/scsi/st.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
> index 7d2e036..e46e02b2 100644
> --- a/drivers/scsi/st.c
> +++ b/drivers/scsi/st.c
> @@ -861,17 +861,16 @@ static int set_mode_densblk(struct scsi_tape * STp, struct st_modedef * STm)
>  /* Lock or unlock the drive door. Don't use when st_request allocated. */
>  static int do_door_lock(struct scsi_tape * STp, int do_lock)
>  {
> -	int retval, cmd;
> +	int retval;
>  
> -	cmd = do_lock ? SCSI_IOCTL_DOORLOCK : SCSI_IOCTL_DOORUNLOCK;
>  	DEBC_printk(STp, "%socking drive door.\n", do_lock ? "L" : "Unl");
> -	retval = scsi_ioctl(STp->device, cmd, NULL);
> -	if (!retval) {
> +
> +	retval = scsi_set_medium_removal(STp->device,
> +			do_lock ? SCSI_REMOVAL_PREVENT : SCSI_REMOVAL_ALLOW);
> +	if (!retval)
>  		STp->door_locked = do_lock ? ST_LOCKED_EXPLICIT : ST_UNLOCKED;
> -	}
> -	else {
> +	else
>  		STp->door_locked = ST_LOCK_FAILS;
> -	}
>  	return retval;
>  }
>  
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 21284 (AG Nürnberg)
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