mon/OSDMonitor: require OSD_CACHEPOOL feature before using tiering features

The OSDs need to support this feature before we allow users to turn it
on.  This is similar to what the erasure pool support does.

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

diff --git a/src/mon/OSDMonitor.cc b/src/mon/OSDMonitor.cc
index be55befdd341d7dd70e683beedfa1807cb9b5c35..b721ddd83c2f91fdd02b02b735134455ecf0988d 100644 (file)
--- a/src/mon/OSDMonitor.cc
+++ b/src/mon/OSDMonitor.cc
@@ -4756,6 +4756,11 @@ done:
                                                   get_last_committed() + 1));
     return true;
   } else if (prefix == "osd tier add") {
+    err = check_cluster_features(CEPH_FEATURE_OSD_CACHEPOOL, ss);
+    if (err == -EAGAIN)
+      goto wait;
+    if (err)
+      goto reply;
     string poolstr;
     cmd_getval(g_ceph_context, cmdmap, "pool", poolstr);
     int64_t pool_id = osdmap.lookup_pg_pool_name(poolstr);
@@ -4864,6 +4869,11 @@ done:
                                              get_last_committed() + 1));
     return true;
   } else if (prefix == "osd tier set-overlay") {
+    err = check_cluster_features(CEPH_FEATURE_OSD_CACHEPOOL, ss);
+    if (err == -EAGAIN)
+      goto wait;
+    if (err)
+      goto reply;
     string poolstr;
     cmd_getval(g_ceph_context, cmdmap, "pool", poolstr);
     int64_t pool_id = osdmap.lookup_pg_pool_name(poolstr);
@@ -4930,6 +4940,11 @@ done:
                                              get_last_committed() + 1));
     return true;
   } else if (prefix == "osd tier cache-mode") {
+    err = check_cluster_features(CEPH_FEATURE_OSD_CACHEPOOL, ss);
+    if (err == -EAGAIN)
+      goto wait;
+    if (err)
+      goto reply;
     string poolstr;
     cmd_getval(g_ceph_context, cmdmap, "pool", poolstr);
     int64_t pool_id = osdmap.lookup_pg_pool_name(poolstr);
@@ -4961,6 +4976,11 @@ done:
                                              get_last_committed() + 1));
     return true;
   } else if (prefix == "osd tier add-cache") {
+    err = check_cluster_features(CEPH_FEATURE_OSD_CACHEPOOL, ss);
+    if (err == -EAGAIN)
+      goto wait;
+    if (err)
+      goto reply;
     string poolstr;
     cmd_getval(g_ceph_context, cmdmap, "pool", poolstr);
     int64_t pool_id = osdmap.lookup_pg_pool_name(poolstr);