Re: 2.6.23-rc1-mm1

Dave Young
2007-07-31T01:21:20Z

>On 7/30/07, Satyam Sharma <satyam@infradead.org> wrote:
>
>
> On Mon, 30 Jul 2007, Christoph Hellwig wrote:
>
> > On Mon, Jul 30, 2007 at 11:27:20AM -0700, Andrew Morton wrote:
> > > ho hum, crap. Yes, ioctl_by_bdev() doesn't have a file* and so it makes
> > > unlocked_ioctl() rather tricky. We could cook up a `struct file' on the
> > > stack (we do that in various places), but that sucks.
> > >
> > > Christoph, have you any clever suggestions?
> >
> > There's two ways to deal with it, one ugly and quick and one to do it
> > right.
> >
> > The quick hack is to fake up a file struct similar to blkdev_get().
>
Why pick file as param in unlocked_ioctl, why not inode, could someone
explain this? THX.