Re: [PATCH] vfs: relax linkat() AT_EMPTY_PATH - aka flink() - requirements

[Christian Brauner]

On Thu, Apr 11, 2024 at 09:21:27AM -0700, Linus Torvalds wrote:
> On Thu, 11 Apr 2024 at 05:25, Christian Brauner <brauner@xxxxxxxxxx> wrote:
> >
> > Btw, I think we should try to avoid putting this into path_init() and
> > confine this to linkat() itself imho. The way I tried to do it was by
> > presetting a root for filename_lookup(); means we also don't need a
> > LOOKUP_* flag for this as this is mostly a linkat thing.
> 
> So I had the exact reverse reaction to your patch - I felt that using

Fun. I really disliked the idea of having to somehow wrangle this into
lookup itself and that the root argument just happened to not be used
for non-kernel internal use-cases yet. But I'm not married to this so
fine by me.