f2fs: add f2fs_destroy_trace_ios to free radix tree

This patch removes radix tree after finishing tracing IOs.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/f2fs/trace.h b/fs/f2fs/trace.h
index eb39fa08cd45..1041dbeb52ae 100644
--- a/fs/f2fs/trace.h
+++ b/fs/f2fs/trace.h
@@ -35,10 +35,12 @@ struct last_io_info {
 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__ */