diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index ef8da14391d218093800a9688db3754edb2dd819..4905d13dee0a05b5a82eee937b3424acd48fc9b5 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1323,7 +1323,7 @@ static int cluster_pages_for_defrag(struct inode *inode,
 
 	if (i_done != page_cnt) {
 		spin_lock(&BTRFS_I(inode)->lock);
-		BTRFS_I(inode)->outstanding_extents++;
+		btrfs_mod_outstanding_extents(BTRFS_I(inode), 1);
 		spin_unlock(&BTRFS_I(inode)->lock);
 		btrfs_delalloc_release_space(inode, data_reserved,
 				start_index << PAGE_SHIFT,