linux-kernel - [PATCH 8/9] tools vm: Fix build due to removal of tools/lib/api/fs/debugfs.h

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Date:	Tue, 22 Sep 2015 22:58:01 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Jiri Olsa <jolsa@...nel.org>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Raphael Beamonte <raphael.beamonte@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	David Ahern <dsahern@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH 8/9] tools vm: Fix build due to removal of tools/lib/api/fs/debugfs.h

From: Arnaldo Carvalho de Melo <acme@...hat.com>

There were some changes in how this debugfs mounting helper is
implemented/exported and we forgot to check if there were other users
besides perf, fix it.

Need to do a make -C tools/ everytime we do changes to
tools/{lib,include} and other places where we're moving things from
tools/perf/ to be used by other tools/ living code.

Fixed:

  $ make -C tools/vm
  make: Entering directory '/home/git/linux/tools/vm'
  make -C ../lib/api
  make[1]: Entering directory '/home/git/linux/tools/lib/api'
    CC       fd/array.o
    LD       fd/libapi-in.o
    CC       fs/fs.o
    CC       fs/tracing_path.o
    LD       fs/libapi-in.o
    CC       cpu.o
    LD       libapi-in.o
    AR       libapi.a
  make[1]: Leaving directory '/home/git/linux/tools/lib/api'
  gcc -Wall -Wextra -I../lib/ -o page-types page-types.c ../lib/api/libapi.a
  make: Leaving directory '/home/git/linux/tools/vm'
  $

Reported-by: Vinson Lee <vlee@...pensource.com>
Tested-by: Vinson Lee <vlee@...pensource.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Matt Fleming <matt@...eblueprint.co.uk>
Cc: Raphael Beamonte <raphael.beamonte@...il.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: David Ahern <dsahern@...il.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Namhyung Kim <namhyung@...nel.org>
Fixes: 60a1133a5b39 ("tools lib api fs: Remove debugfs, tracefs and findfs objects")
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/vm/page-types.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c
index 7f73fa32a590..bcf5ec760eb9 100644
--- a/tools/vm/page-types.c
+++ b/tools/vm/page-types.c
@@ -42,7 +42,7 @@
 #include <sys/mman.h>
 #include "../../include/uapi/linux/magic.h"
 #include "../../include/uapi/linux/kernel-page-flags.h"
-#include <api/fs/debugfs.h>
+#include <api/fs/fs.h>
 
 #ifndef MAX_PATH
 # define MAX_PATH 256
@@ -188,7 +188,7 @@ static int		kpageflags_fd;
 static int		opt_hwpoison;
 static int		opt_unpoison;
 
-static char		*hwpoison_debug_fs;
+static const char	*hwpoison_debug_fs;
 static int		hwpoison_inject_fd;
 static int		hwpoison_forget_fd;
 
@@ -487,7 +487,7 @@ static void prepare_hwpoison_fd(void)
 {
 	char buf[MAX_PATH + 1];
 
-	hwpoison_debug_fs = debugfs_mount(NULL);
+	hwpoison_debug_fs = debugfs__mount();
 	if (!hwpoison_debug_fs) {
 		perror("mount debugfs");
 		exit(EXIT_FAILURE);
-- 
2.1.0

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