xfs: add some comments to xfs_iext_insert/xfs_iext_insert_node (fc258f4b) · Commits · 戴 / test

Reported-by:

fs/xfs/libxfs/xfs_iext_tree.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -525,6 +525,10 @@ again:
		if (nr_entries == KEYS_PER_NODE)
		new = xfs_iext_split_node(&node, &pos, &nr_entries);

		/*
		* Update the pointers in higher levels if the first entry changes
		* in an existing node.
		*/
		if (node != new && pos == 0 && nr_entries > 0)
		xfs_iext_update_node(ifp, node->keys[0], offset, level, node);

		@@ -643,6 +647,10 @@ xfs_iext_insert(
		if (nr_entries == RECS_PER_LEAF)
		new = xfs_iext_split_leaf(cur, &nr_entries);

		/*
		* Update the pointers in higher levels if the first entry changes
		* in an existing node.
		*/
		if (cur->leaf != new && cur->pos == 0 && nr_entries > 0) {
		xfs_iext_update_node(ifp, xfs_iext_leaf_key(cur->leaf, 0),
		offset, 1, cur->leaf);