perf tools: Clean up O_LARGEFILE et al usage
Setting _FILE_OFFSET_BITS and using O_LARGEFILE, lseek64, etc,
is redundant. Thanks H. Peter Anvin for pointing it out.
So, this patch removes O_LARGEFILE, lseek64, etc.
Suggested-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <4B6A8972.3070605@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 74cbc64..0de7258 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1,4 +1,3 @@
-#define _LARGEFILE64_SOURCE
#define _FILE_OFFSET_BITS 64
#include <linux/kernel.h>
@@ -15,7 +14,7 @@
{
struct stat input_stat;
- self->fd = open(self->filename, O_RDONLY|O_LARGEFILE);
+ self->fd = open(self->filename, O_RDONLY);
if (self->fd < 0) {
pr_err("failed to open file: %s", self->filename);
if (!strcmp(self->filename, "perf.data"))