Re: Autofs: Need UID & VFS hook, security notice

[H. Peter Anvin]

"Christopher W. Curtis" wrote:
> >
> > Not a chance in hell.  Putting it in the VFS would slow down *every
> > access*, even to non-removable devices.
> 
> I'm no expert, but are you sure about this?  The VFS reports "disk
> changed" into syslog - this would be as good a time as ever to flush the
> buffer cache for that device, would it not?
> 

How do you flush a busy buffer?

        -hpa

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