lkml.org 
[lkml]   [2002]   [Aug]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
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.
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:28    [W:0.131 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site