From: Samuel Just <sam.just@inktank.com>
Date: Wed, 7 May 2014 18:02:16 +0000 (-0700)
Subject: osd_types: factor out is_new_interval from check_new_interval
X-Git-Tag: v0.80.11~73^2~1
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=a44b7b4bd870cc72e50a49900cd81fde6d40845b;p=ceph.git

osd_types: factor out is_new_interval from check_new_interval

Signed-off-by: Samuel Just <sam.just@inktank.com>
(cherry picked from commit 2ee355113ed4374c664909a8cd7dc5dfdc4c9ed7)
---

diff --git a/src/osd/osd_types.cc b/src/osd/osd_types.cc
index d08e9b7d9db22..087236124f3f5 100644
--- a/src/osd/osd_types.cc
+++ b/src/osd/osd_types.cc
@@ -2196,6 +2196,30 @@ void pg_interval_t::generate_test_instances(list<pg_interval_t*>& o)
   o.back()->maybe_went_rw = true;
 }
 
+bool pg_interval_t::is_new_interval(
+  int old_acting_primary,
+  int new_acting_primary,
+  const vector<int> &old_acting,
+  const vector<int> &new_acting,
+  int old_up_primary,
+  int new_up_primary,
+  const vector<int> &old_up,
+  const vector<int> &new_up,
+  OSDMapRef osdmap,
+  OSDMapRef lastmap,
+  int64_t pool_id,
+  pg_t pgid) {
+  return old_acting_primary != new_acting_primary ||
+    new_acting != old_acting ||
+    old_up_primary != new_up_primary ||
+    new_up != old_up ||
+    (!(lastmap->get_pools().count(pool_id))) ||
+    (lastmap->get_pools().find(pool_id)->second.min_size !=
+     osdmap->get_pools().find(pool_id)->second.min_size)  ||
+    pgid.is_split(lastmap->get_pg_num(pgid.pool()),
+		  osdmap->get_pg_num(pgid.pool()), 0);
+}
+
 bool pg_interval_t::check_new_interval(
   int old_acting_primary,
   int new_acting_primary,
@@ -2218,15 +2242,19 @@ bool pg_interval_t::check_new_interval(
   //  NOTE: a change in the up set primary triggers an interval
   //  change, even though the interval members in the pg_interval_t
   //  do not change.
-  if (old_acting_primary != new_acting_primary ||
-      new_acting != old_acting ||
-      old_up_primary != new_up_primary ||
-      new_up != old_up ||
-      (!(lastmap->get_pools().count(pool_id))) ||
-      (lastmap->get_pools().find(pool_id)->second.min_size !=
-       osdmap->get_pools().find(pool_id)->second.min_size)  ||
-      pgid.is_split(lastmap->get_pg_num(pgid.pool()),
-        osdmap->get_pg_num(pgid.pool()), 0)) {
+  if (is_new_interval(
+	old_acting_primary,
+	new_acting_primary,
+	old_acting,
+	new_acting,
+	old_up_primary,
+	new_up_primary,
+	old_up,
+	new_up,
+	osdmap,
+	lastmap,
+	pool_id,
+	pgid)) {
     pg_interval_t& i = (*past_intervals)[same_interval_since];
     i.first = same_interval_since;
     i.last = osdmap->get_epoch() - 1;
diff --git a/src/osd/osd_types.h b/src/osd/osd_types.h
index a296df046939e..6e60cc8714e6a 100644
--- a/src/osd/osd_types.h
+++ b/src/osd/osd_types.h
@@ -1752,13 +1752,31 @@ struct pg_interval_t {
   void dump(Formatter *f) const;
   static void generate_test_instances(list<pg_interval_t*>& o);
 
+  /**
+   * Determines whether there is an interval change
+   */
+  static bool is_new_interval(
+    int old_acting_primary,                     ///< [in] primary as of lastmap
+    int new_acting_primary,                     ///< [in] primary as of lastmap
+    const vector<int> &old_acting,              ///< [in] acting as of lastmap
+    const vector<int> &new_acting,              ///< [in] acting as of osdmap
+    int old_up_primary,                         ///< [in] up primary of lastmap
+    int new_up_primary,                         ///< [in] up primary of osdmap
+    const vector<int> &old_up,                  ///< [in] up as of lastmap
+    const vector<int> &new_up,                  ///< [in] up as of osdmap
+    ceph::shared_ptr<const OSDMap> osdmap,  ///< [in] current map
+    ceph::shared_ptr<const OSDMap> lastmap, ///< [in] last map
+    int64_t poolid,                             ///< [in] pool for pg
+    pg_t pgid                                   ///< [in] pgid for pg
+    );
+
   /**
    * Integrates a new map into *past_intervals, returns true
    * if an interval was closed out.
    */
   static bool check_new_interval(
     int old_acting_primary,                     ///< [in] primary as of lastmap
-    int new_acting_primary,                     ///< [in] primary as of lastmap
+    int new_acting_primary,                     ///< [in] primary as of osdmap
     const vector<int> &old_acting,              ///< [in] acting as of lastmap
     const vector<int> &new_acting,              ///< [in] acting as of osdmap
     int old_up_primary,                         ///< [in] up primary of lastmap