Re: IDE? IDE-TNG driver

[Andre Hedrick]

ide_ioctl(fd, HDIO_SET_IDE_SCSI, bool)

Where bool does the subdriver switch.
Just that ioctl's are being blasted and people using are frowned upon.

This was a feature Alan Cox poked me for to try and move away from how
modules are basically an all or nothing grab-all.

Regards,

Andre Hedrick
LAD Storage Consulting Group

On Sat, 17 Aug 2002, Ruth Ivimey-Cook wrote:

> On Sat, 17 Aug 2002, Andre Hedrick wrote:
> 
> >
> >I will hand it to you guys on a silver platter IDE-TNG.
> >
> >Below yields modular chipsets and channel index registration.
> >Selectable IOPS for arch independent Taskfile Transport layers.
> ...
> >You have ide-cd registered on a cdrw and you want to burn a cd?
> >open(/dev/hdX) transform_subdriver_scsi close(/dev/hdX)
> >open(/dev/sg) and burn baby burn.
> >close(/dev/sg) releases transform_subdriver_scsi
> >open(/dev/hdX) load native atapi transport.
> 
> 
> Andre, I see the thought, but surely this is prine to races and other 
> difficulties.
> 
> Wouldn't it be better to provide an IDE ioctl() that enables the caller to use 
> set the SCSI transport on an open FD, so your sequence becomes:
> 
>  open(/dev/hdX)
>  ioctl(transform_subdriver_scsi)
>  ioctl(scsi_ops)
>  write(data)
>  close(/dev/hdX)
> 
> Ruth
> 
> -- 
> Ruth Ivimey-Cook
> Software engineer and technical writer.
> 
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [e-mail]
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
>