Re: [PATCH 2/4] lib/vsprintf.c: Make %p{D,d} mean as much components as possible

Petr Mladek
2021-04-29T09:24:42Z

On Thu 2021-04-29 11:52:49, Andy Shevchenko wrote:
> On Thu, Apr 29, 2021 at 11:47 AM Petr Mladek <pmladek@suse.com> wrote:
> >
> > On Wed 2021-04-28 21:59:27, Jia He wrote:
> > > From: Linus Torvalds <torvalds@linux-foundation.org>
> > >
> > > We have '%pD'(no digit following) for printing a filename. It may not be
> > > perfect (by default it only prints one component.
> > >
> > > %pD4 should be more than good enough, but we should make plain "%pD" mean
> > > "as much of the path that is reasonable" rather than "as few components as
> > > possible" (ie 1).
> >
> > Could you please provide link to the discussion where this idea was
> > came from?
>
> https://lore.kernel.org/lkml/20210427025805.GD3122264@magnolia/

Thanks for the link. I see that it was not clear whether the patch
was good for %pd behavior.

Linus actually suggests to keep %pd behavior as it was before, see
https://lore.kernel.org/lkml/CAHk-=wimsMqGdzik187YWLb-ru+iktb4MYbMQG1rnZ81dXYFVg@mail.gmail.com/

Well, I think that this is up to the file system developers to decide.
I am not sure if the path would do more harm than good,
or vice versa, for dentry names.

Best Regards,
Petr