On Mon, Feb 22, 2016 at 08:51:01AM +0100, Hannes Reinecke wrote:
> /*
> + * disable_target_scan: Disable target scan per default
> + * useful on larger installations where only a small
> + * number of LUNs are required for booting.
> + */
> +static bool fc_disable_target_scan;
> +
> +module_param_named(disable_target_scan, fc_disable_target_scan,
> + bool, S_IRUGO|S_IWUSR);
> +MODULE_PARM_DESC(disable_target_scan,
> + "Disable target scan on remote ports (default=0)");
> +
> +/*
> * Redefine so that we can have same named attributes in the
> * sdev/starget/host objects.
> */
> @@ -3272,10 +3284,14 @@ fc_scsi_scan_rport(struct work_struct *work)
> struct Scsi_Host *shost = rport_to_shost(rport);
> struct fc_internal *i = to_fc_internal(shost->transportt);
> unsigned long flags;
> + bool disable_target_scan;
> +
> + disable_target_scan = fc_disable_target_scan ?
> + fc_disable_target_scan : i->f->disable_target_scan;
>
> if ((rport->port_state == FC_PORTSTATE_ONLINE) &&
> (rport->roles & FC_PORT_ROLE_FCP_TARGET) &&
> - !(i->f->disable_target_scan)) {
> + !disable_target_scan) {
Wouldn't this be simpler by just writing:
if ((rport->port_state == FC_PORTSTATE_ONLINE) &&
(rport->roles & FC_PORT_ROLE_FCP_TARGET) &&
!i->f->disable_target_scan && !disable_target_scan) {
that being said I don't understand why we need this in the FC transport
class. What is so special about FC that we do it here and not globally?
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