From 1c7993bd03c6776e295af661baae5c6f2ea50f8f Mon Sep 17 00:00:00 2001 From: Yingxin Cheng Date: Thu, 7 Mar 2024 16:41:25 +0800 Subject: [PATCH] crimson/os/seastore/../fixed_kv_node: add comment to copy-from-source Signed-off-by: Yingxin Cheng (cherry picked from commit 3df6477809f8aabacbf9850a09527c2887263949) --- src/crimson/os/seastore/btree/fixed_kv_node.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/crimson/os/seastore/btree/fixed_kv_node.h b/src/crimson/os/seastore/btree/fixed_kv_node.h index 6ad55e3b9b3..544727f30aa 100644 --- a/src/crimson/os/seastore/btree/fixed_kv_node.h +++ b/src/crimson/os/seastore/btree/fixed_kv_node.h @@ -430,6 +430,8 @@ struct FixedKVNode : ChildableCachedExtent { // the foreign key is preserved if (!child) { child = source.children[foreign_it.get_offset()]; + // child can be either valid if present, nullptr if absent, + // or RESERVATION_PTR. } foreign_it++; local_it++; -- 2.39.5