fs/f2fs/trace.h

   1 /*
   2  * f2fs IO tracer
   3  *
   4  * Copyright (c) 2014 Motorola Mobility
   5  * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11 #ifndef __F2FS_TRACE_H__
  12 #define __F2FS_TRACE_H__
  13
  14 #ifdef CONFIG_F2FS_IO_TRACE
  15 #include <trace/events/f2fs.h>
  16
  17 extern void f2fs_trace_pid(struct page *);
  18 extern void f2fs_trace_ios(struct page *, struct f2fs_io_info *, int);
  19 #else
  20 #define f2fs_trace_pid(p)
  21 #define f2fs_trace_ios(p, i, n)
  22
  23 #endif
  24 #endif /* __F2FS_TRACE_H__ */