Btrfs/tracepoint: update delayed ref tracepoints
This shows exactly how btrfs processes the delayed refs onto disks,
which is very helpful on understanding delayed ref mechanism and
debugging related bugs.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a770a63..ca02d3c 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2035,6 +2035,8 @@
ins.type = BTRFS_EXTENT_ITEM_KEY;
ref = btrfs_delayed_node_to_data_ref(node);
+ trace_run_delayed_data_ref(node, ref, node->action);
+
if (node->type == BTRFS_SHARED_DATA_REF_KEY)
parent = ref->parent;
else
@@ -2178,6 +2180,8 @@
SKINNY_METADATA);
ref = btrfs_delayed_node_to_tree_ref(node);
+ trace_run_delayed_tree_ref(node, ref, node->action);
+
if (node->type == BTRFS_SHARED_BLOCK_REF_KEY)
parent = ref->parent;
else
@@ -2236,6 +2240,8 @@
*/
BUG_ON(extent_op);
head = btrfs_delayed_node_to_head(node);
+ trace_run_delayed_ref_head(node, head, node->action);
+
if (insert_reserved) {
btrfs_pin_extent(root, node->bytenr,
node->num_bytes, 1);
