From 17d6a993fc17d533460c5f40f3908c708e057c18 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 23 May 2024 18:45:17 +0200 Subject: Merging upstream version 18.2.3. Signed-off-by: Daniel Baumann --- src/librbd/object_map/Types.h | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'src/librbd/object_map/Types.h') diff --git a/src/librbd/object_map/Types.h b/src/librbd/object_map/Types.h index 0ce91bd96..576ea0e4b 100644 --- a/src/librbd/object_map/Types.h +++ b/src/librbd/object_map/Types.h @@ -8,10 +8,17 @@ namespace librbd { namespace object_map { enum DiffState { - DIFF_STATE_HOLE = 0, /* unchanged hole */ - DIFF_STATE_DATA = 1, /* unchanged data */ - DIFF_STATE_HOLE_UPDATED = 2, /* new hole */ - DIFF_STATE_DATA_UPDATED = 3 /* new data */ + // diff-iterate: hole with or without data captured in intermediate snapshot + // deep-copy: hole without data captured in intermediate snapshot + DIFF_STATE_HOLE = 0, + // diff-iterate, deep-copy: unchanged data + DIFF_STATE_DATA = 1, + // diff-iterate: new hole (data -> hole) + // deep-copy: new hole (data -> hole) or hole with data captured in + // intermediate snapshot + DIFF_STATE_HOLE_UPDATED = 2, + // diff-iterate, deep-copy: new data (hole -> data) or changed data + DIFF_STATE_DATA_UPDATED = 3 }; } // namespace object_map -- cgit v1.2.3