1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 6810145f4e97..c56088ece500 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -621,7 +621,7 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
                         } else {
                                 split->block_len = split->len;
                                 split->block_start = em->block_start + diff;
-                                split->orig_start = split->start;
+                                split->orig_start = em->orig_start;
                         }
 
                         ret = add_extent_mapping(em_tree, split);