perf tools: Rename struct perf_data_file to perf_data

Rename struct perf_data_file to perf_data, because we will add the
possibility to have multiple files under perf.data, so the 'perf_data'
name fits better.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Changbin Du <changbin.du@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-39wn4d77phel3dgkzo3lyan0@git.kernel.org
[ Fixup recent changes in 'perf script --per-event-dump' ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 01de01c..0f79ea5 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1601,13 +1601,13 @@ static int __cmd_timechart(struct timechart *tchart, const char *output_name)
 		{ "syscalls:sys_exit_pselect6",		process_exit_poll },
 		{ "syscalls:sys_exit_select",		process_exit_poll },
 	};
-	struct perf_data_file file = {
+	struct perf_data data = {
 		.path = input_name,
 		.mode = PERF_DATA_MODE_READ,
 		.force = tchart->force,
 	};
 
-	struct perf_session *session = perf_session__new(&file, false,
+	struct perf_session *session = perf_session__new(&data, false,
 							 &tchart->tool);
 	int ret = -EINVAL;
 
@@ -1617,7 +1617,7 @@ static int __cmd_timechart(struct timechart *tchart, const char *output_name)
 	symbol__init(&session->header.env);
 
 	(void)perf_header__process_sections(&session->header,
-					    perf_data_file__fd(session->file),
+					    perf_data__fd(session->data),
 					    tchart,
 					    process_header);