Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / f2fs / trace.h

diff --git a/kernel/fs/f2fs/trace.h b/kernel/fs/f2fs/trace.h
new file mode 100644 (file)
index 0000000..1041dbe
--- /dev/null
+++ b/kernel/fs/f2fs/trace.h
@@ -0,0 +1,46 @@
+/*
+ * f2fs IO tracer
+ *
+ * Copyright (c) 2014 Motorola Mobility
+ * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __F2FS_TRACE_H__
+#define __F2FS_TRACE_H__
+
+#ifdef CONFIG_F2FS_IO_TRACE
+#include <trace/events/f2fs.h>
+
+enum file_type {
+       __NORMAL_FILE,
+       __DIR_FILE,
+       __NODE_FILE,
+       __META_FILE,
+       __ATOMIC_FILE,
+       __VOLATILE_FILE,
+       __MISC_FILE,
+};
+
+struct last_io_info {
+       int major, minor;
+       pid_t pid;
+       enum file_type type;
+       struct f2fs_io_info fio;
+       block_t len;
+};
+
+extern void f2fs_trace_pid(struct page *);
+extern void f2fs_trace_ios(struct page *, struct f2fs_io_info *, int);
+extern void f2fs_build_trace_ios(void);
+extern void f2fs_destroy_trace_ios(void);
+#else
+#define f2fs_trace_pid(p)
+#define f2fs_trace_ios(p, i, n)
+#define f2fs_build_trace_ios()
+#define f2fs_destroy_trace_ios()
+
+#endif
+#endif /* __F2FS_TRACE_H__ */