Commit 709adcb3 authored Sep 02, 2015 by Jiri Olsa Committed by Arnaldo Carvalho de Melo Sep 04, 2015

tools lib api fs: Add FSTYPE__configured() method



Add FSTYPE__configured() (where FSTYPE is one of sysfs, procfs, debugfs,
tracefs) interface that returns bool state of the filesystem mount:

  true - mounted, false - not mounted

It will not try to mount the filesystem.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Raphael Beamonte <raphael.beamonte@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1441180605-24737-13-git-send-email-jolsa@kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 73ca85ad

tools/lib/api/fs/fs.c

+14 −9

Original line number	Diff line number	Diff line
		@@ -253,6 +253,11 @@ const char *name##__mountpoint(void) \
		const char *name##__mount(void) \
		{ \
		return fs__mount(idx); \
		} \
		\
		bool name##__configured(void) \
		{ \
		return name##__mountpoint() != NULL; \
		}

		FS(sysfs, FS__SYSFS);

tools/lib/api/fs/fs.h

+4 −1

Original line number	Diff line number	Diff line
		#ifndef __API_FS__
		#define __API_FS__

		#include <stdbool.h>

		/*
		* On most systems <limits.h> would have given us this, but not on some systems
		* (e.g. GNU/Hurd).
		@@ -11,7 +13,8 @@

		#define FS(name) \
		const char *name##__mountpoint(void); \
		const char *name##__mount(void);
		const char *name##__mount(void); \
		bool name##__configured(void); \

		FS(sysfs)
		FS(procfs)