Btrfs: Add back the online defragging code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1be8f9f..0b0c947 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1173,13 +1173,7 @@
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;
}