Btrfs: Add back the online defragging code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index 3feac2f..d23216a 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c
@@ -116,10 +116,10 @@
}
WARN_ON(*level < 0);
WARN_ON(*level >= BTRFS_MAX_LEVEL);
-#if 0
- clear_buffer_defrag(path->nodes[*level]);
- clear_buffer_defrag_done(path->nodes[*level]);
-#endif
+
+ btrfs_clear_buffer_defrag(path->nodes[*level]);
+ btrfs_clear_buffer_defrag_done(path->nodes[*level]);
+
free_extent_buffer(path->nodes[*level]);
path->nodes[*level] = NULL;
*level += 1;
@@ -148,10 +148,8 @@
root->defrag_level = i;
return 0;
} else {
- /*
- clear_buffer_defrag(path->nodes[*level]);
- clear_buffer_defrag_done(path->nodes[*level]);
- */
+ btrfs_clear_buffer_defrag(path->nodes[*level]);
+ btrfs_clear_buffer_defrag_done(path->nodes[*level]);
free_extent_buffer(path->nodes[*level]);
path->nodes[*level] = NULL;
*level = i + 1;