From: Samuel Just <sam.just@inktank.com>
Date: Fri, 15 Feb 2013 18:43:45 +0000 (-0800)
Subject: osd/: move ObjectContext over to osd_types.h
X-Git-Tag: v0.59~160^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=7af32997978caaa3c4538334c5fa26df1698b3f5;p=ceph.git

osd/: move ObjectContext over to osd_types.h

Signed-off-by: Samuel Just <sam.just@inktank.com>
---

diff --git a/src/osd/ReplicatedPG.h b/src/osd/ReplicatedPG.h
index 848cd1412b79..397d8cfc63e9 100644
--- a/src/osd/ReplicatedPG.h
+++ b/src/osd/ReplicatedPG.h
@@ -95,24 +95,6 @@ public:
     
    */
 
-  struct SnapSetContext {
-    object_t oid;
-    int ref;
-    bool registered; 
-    SnapSet snapset;
-
-    SnapSetContext(const object_t& o) : oid(o), ref(0), registered(false) { }
-  };
-
-  struct ObjectState {
-    object_info_t oi;
-    bool exists;
-
-    ObjectState(const object_info_t &oi_, bool exists_)
-      : oi(oi_), exists(exists_) {}
-  };
-
-
   struct AccessMode {
     typedef enum {
       IDLE,
@@ -254,81 +236,6 @@ public:
     }
   };
 
-
-  /*
-   * keep tabs on object modifications that are in flight.
-   * we need to know the projected existence, size, snapset,
-   * etc., because we don't send writes down to disk until after
-   * replicas ack.
-   */
-  struct ObjectContext {
-    int ref;
-    bool registered; 
-    ObjectState obs;
-
-    SnapSetContext *ssc;  // may be null
-
-  private:
-    Mutex lock;
-  public:
-    Cond cond;
-    int unstable_writes, readers, writers_waiting, readers_waiting;
-
-    // set if writes for this object are blocked on another objects recovery
-    ObjectContext *blocked_by;      // object blocking our writes
-    set<ObjectContext*> blocking;   // objects whose writes we block
-
-    // any entity in obs.oi.watchers MUST be in either watchers or unconnected_watchers.
-    map<entity_name_t, OSD::Session *> watchers;
-    map<entity_name_t, Watch::C_WatchTimeout *> unconnected_watchers;
-    map<Watch::Notification *, bool> notifs;
-
-    ObjectContext(const object_info_t &oi_, bool exists_, SnapSetContext *ssc_)
-      : ref(0), registered(false), obs(oi_, exists_), ssc(ssc_),
-	lock("ReplicatedPG::ObjectContext::lock"),
-	unstable_writes(0), readers(0), writers_waiting(0), readers_waiting(0),
-	blocked_by(0) {}
-    
-    void get() { ++ref; }
-
-    // do simple synchronous mutual exclusion, for now.  now waitqueues or anything fancy.
-    void ondisk_write_lock() {
-      lock.Lock();
-      writers_waiting++;
-      while (readers_waiting || readers)
-	cond.Wait(lock);
-      writers_waiting--;
-      unstable_writes++;
-      lock.Unlock();
-    }
-    void ondisk_write_unlock() {
-      lock.Lock();
-      assert(unstable_writes > 0);
-      unstable_writes--;
-      if (!unstable_writes && readers_waiting)
-	cond.Signal();
-      lock.Unlock();
-    }
-    void ondisk_read_lock() {
-      lock.Lock();
-      readers_waiting++;
-      while (unstable_writes)
-	cond.Wait(lock);
-      readers_waiting--;
-      readers++;
-      lock.Unlock();
-    }
-    void ondisk_read_unlock() {
-      lock.Lock();
-      assert(readers > 0);
-      readers--;
-      if (!readers && writers_waiting)
-	cond.Signal();
-      lock.Unlock();
-    }
-  };
-
-
   /*
    * Capture all object state associated with an in-progress read or write.
    */
diff --git a/src/osd/osd_types.h b/src/osd/osd_types.h
index ff8c2c5219e3..13099bd1bfec 100644
--- a/src/osd/osd_types.h
+++ b/src/osd/osd_types.h
@@ -1780,6 +1780,111 @@ struct object_info_t {
 };
 WRITE_CLASS_ENCODER(object_info_t)
 
+struct ObjectState {
+  object_info_t oi;
+  bool exists;
+
+  ObjectState(const object_info_t &oi_, bool exists_)
+    : oi(oi_), exists(exists_) {}
+};
+
+
+struct SnapSetContext {
+  object_t oid;
+  int ref;
+  bool registered;
+  SnapSet snapset;
+
+  SnapSetContext(const object_t& o) : oid(o), ref(0), registered(false) { }
+};
+
+
+/*
+  * keep tabs on object modifications that are in flight.
+  * we need to know the projected existence, size, snapset,
+  * etc., because we don't send writes down to disk until after
+  * replicas ack.
+  */
+struct ObjectContext {
+  int ref;
+  bool registered;
+  ObjectState obs;
+
+  SnapSetContext *ssc;  // may be null
+
+private:
+  Mutex lock;
+public:
+  Cond cond;
+  int unstable_writes, readers, writers_waiting, readers_waiting;
+
+  // set if writes for this object are blocked on another objects recovery
+  ObjectContext *blocked_by;      // object blocking our writes
+  set<ObjectContext*> blocking;   // objects whose writes we block
+
+  // any entity in obs.oi.watchers MUST be in either watchers or unconnected_watchers.
+  map<entity_name_t, OSD::Session *> watchers;
+  map<entity_name_t, Watch::C_WatchTimeout *> unconnected_watchers;
+  map<Watch::Notification *, bool> notifs;
+
+  ObjectContext(const object_info_t &oi_, bool exists_, SnapSetContext *ssc_)
+    : ref(0), registered(false), obs(oi_, exists_), ssc(ssc_),
+      lock("ReplicatedPG::ObjectContext::lock"),
+      unstable_writes(0), readers(0), writers_waiting(0), readers_waiting(0),
+      blocked_by(0) {}
+
+  void get() { ++ref; }
+
+  // do simple synchronous mutual exclusion, for now.  now waitqueues or anything fancy.
+  void ondisk_write_lock() {
+    lock.Lock();
+    writers_waiting++;
+    while (readers_waiting || readers)
+      cond.Wait(lock);
+    writers_waiting--;
+    unstable_writes++;
+    lock.Unlock();
+  }
+  void ondisk_write_unlock() {
+    lock.Lock();
+    assert(unstable_writes > 0);
+    unstable_writes--;
+    if (!unstable_writes && readers_waiting)
+      cond.Signal();
+    lock.Unlock();
+  }
+  void ondisk_read_lock() {
+    lock.Lock();
+    readers_waiting++;
+    while (unstable_writes)
+      cond.Wait(lock);
+    readers_waiting--;
+    readers++;
+    lock.Unlock();
+  }
+  void ondisk_read_unlock() {
+    lock.Lock();
+    assert(readers > 0);
+    readers--;
+    if (!readers && writers_waiting)
+      cond.Signal();
+    lock.Unlock();
+  }
+};
+
+inline ostream& operator<<(ostream& out, ObjectState& obs)
+{
+  out << obs.oi.soid;
+  if (!obs.exists)
+    out << "(dne)";
+  return out;
+}
+
+inline ostream& operator<<(ostream& out, ObjectContext& obc)
+{
+  return out << "obc(" << obc.obs << ")";
+}
+
 
 ostream& operator<<(ostream& out, const object_info_t& oi);