Btrfs: Add back the online defragging code

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 7 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1be8f9f04a13..0b0c947194ae 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1173,13 +1173,7 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
         buf->alloc_addr = (unsigned long)__builtin_return_address(0);
         set_extent_dirty(&trans->transaction->dirty_pages, buf->start,
                          buf->start + buf->len - 1, GFP_NOFS);
-        /*
-        set_buffer_checked(buf);
-        set_buffer_defrag(buf);
-        */
-        /* FIXME!!!!!!!!!!!!!!!!
-        set_radix_bit(&trans->transaction->dirty_pages, buf->pages[0]->index);
-        */
+        btrfs_set_buffer_defrag(buf);
         trans->blocks_used++;
         return buf;
 }