Re: [PATCH 1/4] add compat_ioctl methods to dasd

[Martin Schwidefsky]

On Sat, 2005-11-12 at 10:33 +0100, Christoph Hellwig wrote:
> On Fri, Nov 04, 2005 at 11:16:52PM +0100, Christoph Hellwig wrote:
> > all dasd ioctls are directly useable from 32bit process, thus switch
> > the dasd driver to unlocked_ioctl/compat_ioctl and get rid of the
> > translations in the global table.
> 
> ping on all the four s390 compat_ioctl patches.  These are few of the
> remaining arch compat_ioctl bits and I'd really really like to get rid
> of them soonish.

Current status on the four patches:
1) dasd ioctl patch didn't compile (missing semicolon after
lock_kernel()) and doesn't work after fixing the compile problem. It's a
problem with the bdev->bd_disk->private_data which is NULL at the time
the partition detection code calls the BIODASDINFO and HDIO_GETGEO ioctl
with ioctl_by_bdev. I don't see an easy way to fix this right now.
2) fs3270 ioctl patch is fine. Fullscreen test works after fixing the
independent class_device_create problem (NULL argument missing, patch
will follow).
3) remove TIOCGSERIAL/TIOCSSERIAL patch. Fine with me. 
4) tape ioctl patch. Not yet sure about this one. Need to ask Stefan
Bader.

-- 
blue skies,
   Martin

Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH


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