svn commit: r354458 - head/libexec/rc/rc.d

[Ian Lepore]

On Sun, 2019-11-10 at 16:08 +0000, Edward Tomasz Napierala wrote:
> On 1109T2049, Alexander Leidinger wrote:
> > Quoting Edward Tomasz Napierala <trasz at freebsd.org> (from Thu, 7
> > Nov  
> > 2019 18:15:24 +0000 (UTC)):
> > 
> > > Author: trasz
> > > Date: Thu Nov  7 18:15:24 2019
> > > New Revision: 354458
> > > URL: https://svnweb.freebsd.org/changeset/base/354458
> > > 
> > > Log:
> > >   Extend the linux rc script to mount the neccessary file
> > > systems,
> > >   set ELF fallback brand, and load pty(4).
> > 
> > We never did something like that. We have it documented
> > everywhere  
> > that it needs to be done manually. So this is at least a POLA  
> > violation. It is great that the nocover option is used in the
> > mount,  
> > but it's still some kind of layering violation (I may want to
> > have  
> > only a subset mounted, or nothing at all).
> 
> It is kind of a POLA violation, but previously the linux_enable
> knob didn't do much apart from loading the linux{,64}.ko kernel
> module and doing something weird with ldconfig, which I'm not
> even sure is actually useful.  In other words, the old behaviour
> can be restored by just not using linux_enable, and instead
> loading the kernel modules the same way all the others are loaded.
> 
> Could you give me some use case why someone would want only a subset
> of the filesystems?
> 

Well, there's my use case, where the subset of those filesystems that I
want mounted is:  none of them.

The apps I use under the linuxlator work fine without having a single
one of those filesystems mounted, and I don't want something to start
mounting them for me when I don't even need them.

-- Ian