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SubjectRe: [Fwd: Getting IOCTL's into VFS File System Drivers]


Currently there is no method for NWFS to have an IOCTL unless EXT2 is
present. There are cases where the FS needs to send an event to the
user for intervention.


"H. Peter Anvin" wrote:
> "Jeff V. Merkey" wrote:
> >
> > Peter,
> >
> > Pardon me, but what APIs? The problem here is that NT supplies the
> > needed APIs and Linux doesn't. It's not a hack to allow folks to write
> > USER/KERNEL drivers through a general IOCTL interface. Linux doesn't
> > have one for FS drivers, but everyone else does. I can't use NWFS as a
> > boot FS if I cannot open symbolic handles to talk to the FS driver.
> >
> You can't do that anyway! If it is the *ROOT* filesystem -- there is no
> such thing as a "boot filesystem" in Linux -- you don't have any
> userspace that you can open symbolic handles from.
> There is clearly a disconnect here, and I have utterly no clue what
> problem you're trying to solve. I'm pretty sure that you're asking the
> wrong question, because the question you're asking makes no sense.
> -hpa

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