[PATCH] dracut-module-setup: Return from iscsi path immediately for hardward iscsi without iBFT

[Minfei Huang]

On 09/30/15 at 02:37pm, Dave Young wrote:
> > > I think 1st kernel parameter is only for boot device. non-boot you still need
> > > pass extra parameter to 2nd kernel cmdline.
> > > 
> > > Again about the second question, have you consider the situation both 1 and 2 being
> > > used? ie. 1) for crash device, 2) for root device.
> > > 
> > 
> > I tested both boot and non-boot device as dumping target, and it works
> > on beaker machine.
> > 
> 
> But how does it work? suppose rd.* param are mandatory, who will pass it to 2nd kernel?
> Suppose below case:
> rootfs: a local scsi disk sda
> after bootup, one can setup a non-boot disk for kdump ie. sdb.
> 
> There should be nothing in boot param.
> 
> Thanks
> Dave

For iSCSI HBA, the only way to bring up is to append the rd.* in the
command. Thus the kernel will export this device.

If there is no proper parameter in command, the device cann't be
visible, including 1st kernel.

Thanks
Minfei