[metadata_checker] Do not update the superblock if the needs_check flag is not set

2020-08-07 01:06:46 +08:00 · 2020-08-07 01:06:46 +08:00 · 2d9eaa1c56
commit 2d9eaa1c56
parent 3f19818c56
1 changed files with 4 additions and 0 deletions
--- a/thin-provisioning/metadata_checker.cc
+++ b/thin-provisioning/metadata_checker.cc
@ -449,6 +449,10 @@ namespace {

 			block_manager::ptr bm = open_bm(path_, block_manager::READ_WRITE);
 			superblock_detail::superblock sb = read_superblock(bm);
+
+			if (!sb.get_needs_check_flag())
+				return true;
+
 			sb.set_needs_check_flag(false);
 			write_superblock(bm, sb);