19 	if (!file->path) {  in check_pipe()
23 		if (!strcmp(file->path, "-"))  in check_pipe()
37 	if (!stat(file->path, &st) && st.st_size) {  in check_backup()
41 			 file->path);  in check_backup()
43 		rename(file->path, oldname);  in check_backup()
55 	fd = open(file->path, O_RDONLY);  in open_file_read()
59 		pr_err("failed to open %s: %s", file->path,  in open_file_read()
61 		if (err == ENOENT && !strcmp(file->path, "perf.data"))  in open_file_read()
72 		       file->path);  in open_file_read()
78 			file->path);  in open_file_read()
98 	fd = open(file->path, O_CREAT|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR);  in open_file_write()
101 		pr_err("failed to open %s : %s\n", file->path,  in open_file_write()
123 	if (!file->path)  in perf_data_file__open()
124 		file->path = "perf.data";  in perf_data_file__open()