From: Sage Weil <sage@redhat.com>
Date: Mon, 28 Aug 2017 19:21:44 +0000 (-0400)
Subject: mon: CEPH_MON_FEATURE_INCOMPAT_LUMINOUS
X-Git-Tag: v13.0.1~1103^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=5b6c451e3fdaf0785b197fdfacf1c782b932bec9;p=ceph.git

mon: CEPH_MON_FEATURE_INCOMPAT_LUMINOUS

- set this once we have a luminous quorum
- require luminous if we have this set locally
- include this on mkfs

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/mon/Monitor.cc b/src/mon/Monitor.cc
index 4d8b6b8f628b..eb720e183feb 100755
--- a/src/mon/Monitor.cc
+++ b/src/mon/Monitor.cc
@@ -370,6 +370,7 @@ CompatSet Monitor::get_supported_features()
   compat.incompat.insert(CEPH_MON_FEATURE_INCOMPAT_ERASURE_CODE_PLUGINS_V2);
   compat.incompat.insert(CEPH_MON_FEATURE_INCOMPAT_ERASURE_CODE_PLUGINS_V3);
   compat.incompat.insert(CEPH_MON_FEATURE_INCOMPAT_KRAKEN);
+  compat.incompat.insert(CEPH_MON_FEATURE_INCOMPAT_LUMINOUS);
   return compat;
 }
 
@@ -2083,6 +2084,13 @@ void Monitor::apply_monmap_to_compatset_features()
     assert(HAVE_FEATURE(quorum_con_features, SERVER_KRAKEN));
     new_features.incompat.insert(CEPH_MON_FEATURE_INCOMPAT_KRAKEN);
   }
+  if (monmap_features.contains_all(ceph::features::mon::FEATURE_LUMINOUS)) {
+    assert(ceph::features::mon::get_persistent().contains_all(
+           ceph::features::mon::FEATURE_LUMINOUS));
+    // this feature should only ever be set if the quorum supports it.
+    assert(HAVE_FEATURE(quorum_con_features, SERVER_LUMINOUS));
+    new_features.incompat.insert(CEPH_MON_FEATURE_INCOMPAT_LUMINOUS);
+  }
 
   dout(5) << __func__ << dendl;
   _apply_compatset_features(new_features);
@@ -2108,6 +2116,9 @@ void Monitor::calc_quorum_requirements()
   if (features.incompat.contains(CEPH_MON_FEATURE_INCOMPAT_KRAKEN)) {
     required_features |= CEPH_FEATUREMASK_SERVER_KRAKEN;
   }
+  if (features.incompat.contains(CEPH_MON_FEATURE_INCOMPAT_LUMINOUS)) {
+    required_features |= CEPH_FEATUREMASK_SERVER_LUMINOUS;
+  }
 
   // monmap
   if (monmap->get_required_features().contains_all(
diff --git a/src/mon/Monitor.h b/src/mon/Monitor.h
index fa4ba9fa8f56..e61f4b99e6df 100644
--- a/src/mon/Monitor.h
+++ b/src/mon/Monitor.h
@@ -993,6 +993,7 @@ public:
 #define CEPH_MON_FEATURE_INCOMPAT_ERASURE_CODE_PLUGINS_V2 CompatSet::Feature(6, "support isa/lrc erasure code")
 #define CEPH_MON_FEATURE_INCOMPAT_ERASURE_CODE_PLUGINS_V3 CompatSet::Feature(7, "support shec erasure code")
 #define CEPH_MON_FEATURE_INCOMPAT_KRAKEN CompatSet::Feature(8, "support monmap features")
+#define CEPH_MON_FEATURE_INCOMPAT_LUMINOUS CompatSet::Feature(9, "luminous ondisk layout")
 // make sure you add your feature to Monitor::get_supported_features