From 0e707ae40b9a6f022ce84632456507db50b55a92 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Fri, 1 Sep 2017 13:39:35 -0400
Subject: [PATCH] osd: drop last head_exists = true calls

No more users!

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/osd/PG.cc           | 3 ---
 src/osd/PrimaryLogPG.cc | 5 -----
 2 files changed, 8 deletions(-)

diff --git a/src/osd/PG.cc b/src/osd/PG.cc
index 3a5261e8e583b..621685e5cbde0 100644
--- a/src/osd/PG.cc
+++ b/src/osd/PG.cc
@@ -3849,9 +3849,6 @@ void PG::_scan_snaps(ScrubMap &smap)
 	continue;
       }
       head = hoid.get_head();
-      // Make sure head_exists is set
-      if (hoid.is_head())
-	snapset.head_exists = true;
       continue;
     }
     if (hoid.snap < CEPH_MAXSNAP) {
diff --git a/src/osd/PrimaryLogPG.cc b/src/osd/PrimaryLogPG.cc
index ae08d738d095b..1c73559dfcec2 100644
--- a/src/osd/PrimaryLogPG.cc
+++ b/src/osd/PrimaryLogPG.cc
@@ -6854,7 +6854,6 @@ int PrimaryLogPG::_rollback_to(OpContext *ctx, ceph_osd_op& op)
 	t->remove(soid);
       }
       t->clone(soid, rollback_to_sobject);
-      snapset.head_exists = true;
       t->add_obc(rollback_to);
 
       map<snapid_t, interval_set<uint64_t> >::iterator iter =
@@ -6895,8 +6894,6 @@ int PrimaryLogPG::_rollback_to(OpContext *ctx, ceph_osd_op& op)
 	dout(10) << __func__ << " clearing omap flag on " << obs.oi.soid << dendl;
 	obs.oi.clear_flag(object_info_t::FLAG_OMAP);
       }
-
-      snapset.head_exists = true;
     }
   }
   return ret;
@@ -8314,7 +8311,6 @@ void PrimaryLogPG::finish_promote(int r, CopyResults *results,
       results->snapset,
       get_osdmap()->require_osd_release < CEPH_RELEASE_LUMINOUS);
   }
-  tctx->new_snapset.head_exists = true;
   dout(20) << __func__ << " new_snapset " << tctx->new_snapset << dendl;
 
   // take RWWRITE lock for duration of our local write.  ignore starvation.
@@ -12282,7 +12278,6 @@ void PrimaryLogPG::hit_set_persist()
 
   ctx->new_obs = obc->obs;
 
-  obc->ssc->snapset.head_exists = true;
   ctx->new_snapset = obc->ssc->snapset;
 
   ctx->delta_stats.num_objects++;
-- 
2.39.5