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From: Steven Rostedt <rostedt@goodmis.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jiri Olsa <jolsa@kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Namhyung Kim <namhyung@kernel.org>
Subject: Re: [PATCH 4/5] tools lib api fs: Add {tracefs,debugfs}_configured() functions
Date: Sun, 25 Jan 2015 14:27:26 -0500 [thread overview]
Message-ID: <20150125142726.7990cb6c@gandalf.local.home> (raw)
In-Reply-To: <20150125170203.GG31987@krava.brq.redhat.com>
On Sun, 25 Jan 2015 18:02:03 +0100
Jiri Olsa <jolsa@redhat.com> wrote:
> On Sat, Jan 24, 2015 at 01:13:34PM -0500, Steven Rostedt wrote:
>
> SNIP
>
> > #include <sys/mount.h>
> > #include <linux/kernel.h>
> >
> > @@ -24,6 +27,16 @@ static const char * const debugfs_known_mountpoints[] = {
> >
> > static bool debugfs_found;
> >
> > +bool debugfs_configured(void)
> > +{
> > + struct stat st;
> > +
> > + if (stat(DEBUGFS_DEFAULT_PATH, &st) < 0)
> > + return false;
> > +
>
> hum, should this function rather do
>
> bool debugfs_configured(void)
> {
> return debugfs_find_mountpoint() != NULL;
> }
>
>
> SNIP
>
> > static bool tracefs_found;
> >
> > +bool tracefs_configured(void)
> > +{
> > + struct stat st;
> > +
> > + if (stat(TRACEFS_DEFAULT_PATH, &st) < 0)
> > + return false;
> > +
> > + return true;
> > +}
>
> same for this one..
OK, will change.
-- Steve
next prev parent reply other threads:[~2015-01-25 19:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-24 18:13 [PATCH 0/5] perf: Have perf become tracefs aware Steven Rostedt
2015-01-24 18:13 ` [PATCH 1/5] tools lib fs: Add helper to find mounted file systems Steven Rostedt
2015-01-25 16:41 ` Jiri Olsa
2015-01-25 19:20 ` Steven Rostedt
2015-01-24 18:13 ` [PATCH 2/5] tools lib api fs: Add tracefs mount helper functions Steven Rostedt
2015-01-25 16:45 ` Jiri Olsa
2015-01-25 19:22 ` Steven Rostedt
2015-01-25 16:51 ` Jiri Olsa
2015-01-25 19:24 ` Steven Rostedt
2015-01-25 16:56 ` Jiri Olsa
2015-01-25 19:26 ` Steven Rostedt
2015-01-26 9:02 ` Jiri Olsa
2015-01-26 14:26 ` Steven Rostedt
2015-01-26 14:31 ` Jiri Olsa
2015-01-26 14:44 ` Arnaldo Carvalho de Melo
2015-01-24 18:13 ` [PATCH 3/5] tools lib api fs: Add DEBUGFS_DEFAULT_PATH macro Steven Rostedt
2015-01-24 18:13 ` [PATCH 4/5] tools lib api fs: Add {tracefs,debugfs}_configured() functions Steven Rostedt
2015-01-25 17:02 ` Jiri Olsa
2015-01-25 19:27 ` Steven Rostedt [this message]
2015-01-24 18:13 ` [PATCH 5/5] perf: Make perf aware of tracefs Steven Rostedt
2015-01-25 13:50 ` Namhyung Kim
2015-01-25 19:19 ` Steven Rostedt
2015-01-25 17:34 ` Jiri Olsa
2015-01-25 19:31 ` Steven Rostedt
2015-01-26 8:57 ` Jiri Olsa
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