1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 17c306bf177a..50695dc5e2ab 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -3017,7 +3017,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
                         }
                 }
 
-                page_start = (u64)page->index << PAGE_CACHE_SHIFT;
+                page_start = page_offset(page);
                 page_end = page_start + PAGE_CACHE_SIZE - 1;
 
                 lock_extent(&BTRFS_I(inode)->io_tree, page_start, page_end);