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SubjectRe: IDE? IDE-TNG driver


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.
>
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