1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 6834be4c870..0b06a5ca8af 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1066,7 +1066,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
                 i = range->start >> PAGE_CACHE_SHIFT;
         }
         if (!max_to_defrag)
-                max_to_defrag = last_index;
+                max_to_defrag = last_index + 1;
 
         /*
          * make writeback starts from i, so the defrag range can be