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DateWed, 24 Dec 2003 12:33:26 +0100
FromWitukind <>
SubjectRe: DevFS vs. udev
On Wed, 24 Dec 2003 03:41:21 +0000
viro@parcelfarce.linux.theplanet.co.uk wrote:
> On Tue, Dec 23, 2003 at 06:38:20PM -0800, Andrew Morton wrote:
> 
> > And yes, there are architectural/cleanliness issues with devfs.  In
> > 2.5 Adam Richter totally reinventing devfs's internals, basing it
> > around the ramfs infrastructure.  If we elect to retain devfs in 2.8
> > then that effort should be resurrected.
> 
> Switching internals to ramfs won't be enough, though.  There are
> problems with devfs API that can't be solved by work on internals -
> lifetime rules for devfs nodes make no sense.  Take a look at the
> insertion/removal primitives and think of the lifetime rules they
> create for directories and user-created nodes.  _That_ is independent
> from the way you implement the internals (and sanitized version of the
> interface won't fit into use of ramfs, BTW).

What's the difference that prevents Linux from having a "good" devfs since
FreeBSD is happy with this feature? 

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