1 files changed, 2 insertions, 0 deletions

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 16d67a61a25c..d9f5bc4dbd7f 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -216,4 +216,6 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long offset,
                       unsigned long *map_start,
                       unsigned long *map_len, int km);
 void unmap_extent_buffer(struct extent_buffer *eb, char *token, int km);
+int invalidate_extent_lru(struct extent_io_tree *tree, u64 start,
+                          unsigned long len);
 #endif