diff --git a/[refs] b/[refs]
index 1b044cd21fbc..a9b57c2cbe4e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0b485143d835c019cddc45f46e4b3873dcc9aa4e
+refs/heads/master: 7ec31b548a17f773ab6289e795ed3a6820e8b56e
diff --git a/trunk/fs/btrfs/ioctl.c b/trunk/fs/btrfs/ioctl.c
index 6834be4c8709..0b06a5ca8afc 100644
--- a/trunk/fs/btrfs/ioctl.c
+++ b/trunk/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