Re: [PATCH 1/1] devfs: add symlink support

[Sascha Hauer <s.hauer@pengutronix.de>]

On Wed, Mar 06, 2013 at 09:01:18AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 08:43 Wed 06 Mar     , Sascha Hauer wrote:
> > On Sat, Feb 16, 2013 at 12:35:53PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> > > ---
> > >  fs/devfs.c       |   70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > >  include/driver.h |    1 +
> > >  2 files changed, 71 insertions(+)
> > 
> > What's your usecase with this patch? Telling me could increase my
> > motivation applying it.
> I use it to handle boot device and tty today
> 
> so the application part does not care about the real hardware they always have
> the same device (file) to search

This is in the same league as I wanted to do with persistent device
names. We should think about this in a more general way.

> > 
> > One thing I see with this patch that the next thing would be to add
> > directory support to debugfs in which case we might be better off
> > adding real device nodes and remove the devfs like we have it now
> > completely.
> yeah I've the idea to rewrite the devfs completly and the ramfs too
> 
> as the ramfs should be at vfs level so the devfs will nearly implement nothing

vfs level? You would have to implement one first, we do not have a vfs
level at all ;)

Sascha

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