From: Bill Scales <bill_scales@uk.ibm.com>
Date: Wed, 26 Mar 2025 08:55:44 +0000 (+0000)
Subject: osd: EC Optimizations: Update pwlc for split/merge
X-Git-Tag: v20.3.0~29^2~17
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=88b0621a8efbcb894bf9c1c6567c49c55b98be5b;p=ceph.git

osd: EC Optimizations: Update pwlc for split/merge

Update pwlc data in pg_info_t when splitting and
merging PGs.

Signed-off-by: Bill Scales <bill_scales@uk.ibm.com>
---

diff --git a/src/osd/PeeringState.cc b/src/osd/PeeringState.cc
index ad6e92831416..5889d6d3ba5e 100644
--- a/src/osd/PeeringState.cc
+++ b/src/osd/PeeringState.cc
@@ -3387,6 +3387,8 @@ void PeeringState::split_into(
 
   child->info.last_user_version = info.last_user_version;
 
+  child->info.partial_writes_last_complete = info.partial_writes_last_complete;
+
   info.log_tail = pg_log.get_tail();
   child->info.log_tail = child->pg_log.get_tail();
 
@@ -3545,6 +3547,15 @@ void PeeringState::merge_from(
       psdout(10) << "taking source's past_intervals" << dendl;
       past_intervals = source->past_intervals;
     }
+
+    // merge pwlc
+    if (!info.partial_writes_last_complete.empty()) {
+      psdout(10) << "before pwlc=" << info.partial_writes_last_complete << dendl;
+    }
+    update_peer_info(pg_whoami, source->info);
+    if (!info.partial_writes_last_complete.empty()) {
+      psdout(10) << "after pwlc=" << info.partial_writes_last_complete << dendl;
+    }
   }
 
   info.last_complete = info.last_update;