1 files changed, 1 insertions, 2 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 39021bf2df9a..533657c508e2 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -4625,8 +4625,7 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
                                 ptr = btrfs_item_ptr_offset(leaf, slot);
                                 memmove_extent_buffer(leaf, ptr,
                                       (unsigned long)fi,
-                                      offsetof(struct btrfs_file_extent_item,
-                                                 disk_bytenr));
+                                      BTRFS_FILE_EXTENT_INLINE_DATA_START);
                         }
                 }