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diff --git a/src/ceph/src/librbd/LibrbdWriteback.h b/src/ceph/src/librbd/LibrbdWriteback.h
deleted file mode 100644
index 6ffba51..0000000
--- a/src/ceph/src/librbd/LibrbdWriteback.h
+++ /dev/null
@@ -1,72 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-#ifndef CEPH_LIBRBD_LIBRBDWRITEBACKHANDLER_H
-#define CEPH_LIBRBD_LIBRBDWRITEBACKHANDLER_H
-
-#include <queue>
-
-#include "common/snap_types.h"
-#include "osd/osd_types.h"
-#include "osdc/WritebackHandler.h"
-
-class Mutex;
-class Context;
-
-namespace librbd {
-
-  struct ImageCtx;
-
-  class LibrbdWriteback : public WritebackHandler {
-  public:
-    LibrbdWriteback(ImageCtx *ictx, Mutex& lock);
-
-    // Note that oloc, trunc_size, and trunc_seq are ignored
-    void read(const object_t& oid, uint64_t object_no,
-              const object_locator_t& oloc, uint64_t off, uint64_t len,
-              snapid_t snapid, bufferlist *pbl, uint64_t trunc_size,
-              __u32 trunc_seq, int op_flags,
-	      const ZTracer::Trace &parent_trace, Context *onfinish) override;
-
-    // Determine whether a read to this extent could be affected by a
-    // write-triggered copy-on-write
-    bool may_copy_on_write(const object_t& oid, uint64_t read_off,
-                           uint64_t read_len, snapid_t snapid) override;
-
-    // Note that oloc, trunc_size, and trunc_seq are ignored
-    ceph_tid_t write(const object_t& oid, const object_locator_t& oloc,
-                     uint64_t off, uint64_t len,
-                     const SnapContext& snapc, const bufferlist &bl,
-                     ceph::real_time mtime, uint64_t trunc_size,
-                     __u32 trunc_seq, ceph_tid_t journal_tid,
-                     const ZTracer::Trace &parent_trace,
-                     Context *oncommit) override;
-    using WritebackHandler::write;
-
-    void overwrite_extent(const object_t& oid, uint64_t off,
-                          uint64_t len, ceph_tid_t original_journal_tid,
-                          ceph_tid_t new_journal_tid) override;
-
-    struct write_result_d {
-      bool done;
-      int ret;
-      std::string oid;
-      Context *oncommit;
-      write_result_d(const std::string& oid, Context *oncommit) :
-        done(false), ret(0), oid(oid), oncommit(oncommit) {}
-    private:
-      write_result_d(const write_result_d& rhs);
-      const write_result_d& operator=(const write_result_d& rhs);
-    };
-
-  private:
-    void complete_writes(const std::string& oid);
-
-    ceph_tid_t m_tid;
-    Mutex& m_lock;
-    librbd::ImageCtx *m_ictx;
-    ceph::unordered_map<std::string, std::queue<write_result_d*> > m_writes;
-    friend class C_OrderedWrite;
-  };
-}
-
-#endif