crimson/osd/snaptrim_event: don't clear head obc's snaps

There may be valid snaps for a head object, although some snap is
being removed

Signed-off-by: Xuehan Xu <xxhdx1985126@gmail.com>
(cherry picked from commit f5194e60a25d89f0b0673a96629ea7db42487ac0)

diff --git a/src/crimson/osd/osd_operations/snaptrim_event.cc b/src/crimson/osd/osd_operations/snaptrim_event.cc
index e8c11d84a2794094b1159aa4e0cce5f516d1b3f9..4b71ca840a7e55e13daf028fd9870f104131449d 100644 (file)
--- a/src/crimson/osd/osd_operations/snaptrim_event.cc
+++ b/src/crimson/osd/osd_operations/snaptrim_event.cc
@@ -365,7 +365,6 @@ void SnapTrimObjSubEvent::update_head(
   std::vector<pg_log_entry_t>& log_entries
 ) {
   const auto head_oid = coid.get_head();
-  head_obc->ssc->snapset.snaps.clear();
   logger().info("{}: writing updated snapset on {}, snapset is {}",
                 *this, head_oid, head_obc->ssc->snapset);
   log_entries.emplace_back(