linux-kernel - Re: [PATCH] tools lib api fs: Move cgroupsfs_find

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Date:   Mon, 27 Jan 2020 23:58:27 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-perf-users <linux-perf-users@...r.kernel.org>
Subject: Re: [PATCH] tools lib api fs: Move cgroupsfs_find_mountpoint()

Hi Jiri,

On Mon, Jan 27, 2020 at 8:12 PM Jiri Olsa <jolsa@...hat.com> wrote:
>
> On Mon, Jan 27, 2020 at 07:00:31PM +0900, Namhyung Kim wrote:
>
> SNIP
>
> > -
> > -     if (strlen(path) < maxlen) {
> > -             strcpy(buf, path);
> > -             return 0;
> > -     }
> > -     return -1;
> > -}
> > -
> >  static int open_cgroup(const char *name)
> >  {
> >       char path[PATH_MAX + 1];
> > @@ -79,7 +20,7 @@ static int open_cgroup(const char *name)
> >       int fd;
> >
> >
> > -     if (cgroupfs_find_mountpoint(mnt, PATH_MAX + 1))
> > +     if (cgroupfs_find_mountpoint(mnt, PATH_MAX + 1, "perf_event"))
>
> nice, but could you please follow fs API names and change the
> name to cgroupfs__mountpoint
>
> I think we don't need to define the rest of the functions now,
> if they are not used
>
>         #define FS(name)                                \
>                 const char *name##__mountpoint(void);   \
>                 const char *name##__mount(void);        \
>                 bool name##__configured(void);          \
>
> just follow the function name

I thought about it too, but still it has different arguments.
So I left it as is... Do you really want to rename?

Thanks
Namhyung