Re: [RFC][PATCH] inotify 0.8.1 [u]



On Tue, Aug 24, 2004 at 11:12:16PM +0200, Martin Schlemmer [c] wrote:
> On Tue, 2004-08-24 at 03:04, John McCutchan wrote:
> 
> > > Which then results in a panic as the dm volumes cannot be setup
> > > and no / found by kernel.  So basically it seems like inotify
> > > mess with dm in some way or other - any quick ideas what it
> > > could be?
> > > 
> > 
> > This is very strange. 'inotify device opened' is printed when an app
> > opens /dev/inotify. Do you have code that is doing that? I am wondering
> > if inotify's MAJOR/MINOR is getting confused with device mappers. I
> > don't know how it could be happening since /dev/inotify has the kernel
> > assign it an available minor number, and its major number is the major
> > number for all misc char devices.
> > 
> 
> Ok, seems like this was my own stupidity - I used an static node in
> initramfs which the kernel assigned the minor of to inotify if compiled
> in (I did not know DM used dynamic minors) :/  Fixed it to use udev
> instead.
> 
> I am wondering about two things though:
>  1) Should things like device-mapper that are many times boot critical
> use dynamic minors?  Guess if we make an exception for one, somebody
> will always get some silly device to be boot critical :(  So I'll
> imagine it should stay as is - maybe add some nice fat message
> somewhere?

I don't see why a dynamic minor would not work properly, you've shown
how to get it to work already :)

thanks,

greg k-h



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