X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftools%2Fcephfs%2FResetter.cc;fp=src%2Fceph%2Fsrc%2Ftools%2Fcephfs%2FResetter.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=58465c2ffc79ed3458afe2d90a5cf1f58ddee8cf;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git

diff --git a/src/ceph/src/tools/cephfs/Resetter.cc b/src/ceph/src/tools/cephfs/Resetter.cc
deleted file mode 100644
index 58465c2..0000000
--- a/src/ceph/src/tools/cephfs/Resetter.cc
+++ /dev/null
@@ -1,181 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2010 Greg Farnum <gregf@hq.newdream.net>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software 
- * Foundation.  See file COPYING.
- * 
- */
-
-#include "common/errno.h"
-#include "osdc/Journaler.h"
-#include "mds/JournalPointer.h"
-
-#include "mds/mdstypes.h"
-#include "mds/MDCache.h"
-#include "mon/MonClient.h"
-#include "mds/events/EResetJournal.h"
-
-#include "Resetter.h"
-
-#define dout_context g_ceph_context
-#define dout_subsys ceph_subsys_mds
-
-int Resetter::reset(mds_role_t role)
-{
-  Mutex mylock("Resetter::reset::lock");
-  Cond cond;
-  bool done;
-  int r;
-
-  auto fs =  fsmap->get_filesystem(role.fscid);
-  assert(fs != nullptr);
-  int64_t const pool_id = fs->mds_map.get_metadata_pool();
-
-  JournalPointer jp(role.rank, pool_id);
-  int jp_load_result = jp.load(objecter);
-  if (jp_load_result != 0) {
-    std::cerr << "Error loading journal: " << cpp_strerror(jp_load_result) <<
-      ", pass --force to forcibly reset this journal" << std::endl;
-    return jp_load_result;
-  }
-
-  Journaler journaler("resetter", jp.front,
-      pool_id,
-      CEPH_FS_ONDISK_MAGIC,
-      objecter, 0, 0, &finisher);
-
-  lock.Lock();
-  journaler.recover(new C_SafeCond(&mylock, &cond, &done, &r));
-  lock.Unlock();
-
-  mylock.Lock();
-  while (!done)
-    cond.Wait(mylock);
-  mylock.Unlock();
-
-  if (r != 0) {
-    if (r == -ENOENT) {
-      cerr << "journal does not exist on-disk. Did you set a bad rank?"
-	   << std::endl;
-      std::cerr << "Error loading journal: " << cpp_strerror(r) <<
-        ", pass --force to forcibly reset this journal" << std::endl;
-      return r;
-    } else {
-      cerr << "got error " << r << "from Journaler, failing" << std::endl;
-      return r;
-    }
-  }
-
-  lock.Lock();
-  uint64_t old_start = journaler.get_read_pos();
-  uint64_t old_end = journaler.get_write_pos();
-  uint64_t old_len = old_end - old_start;
-  cout << "old journal was " << old_start << "~" << old_len << std::endl;
-
-  uint64_t new_start = ROUND_UP_TO(old_end+1, journaler.get_layout_period());
-  cout << "new journal start will be " << new_start
-       << " (" << (new_start - old_end) << " bytes past old end)" << std::endl;
-
-  journaler.set_read_pos(new_start);
-  journaler.set_write_pos(new_start);
-  journaler.set_expire_pos(new_start);
-  journaler.set_trimmed_pos(new_start);
-  journaler.set_writeable();
-
-  cout << "writing journal head" << std::endl;
-  journaler.write_head(new C_SafeCond(&mylock, &cond, &done, &r));
-  lock.Unlock();
-
-  mylock.Lock();
-  while (!done)
-    cond.Wait(mylock);
-  mylock.Unlock();
-
-  Mutex::Locker l(lock);
-  if (r != 0) {
-    return r;
-  }
-
-  r = _write_reset_event(&journaler);
-  if (r != 0) {
-    return r;
-  }
-
-  cout << "done" << std::endl;
-
-  return 0;
-}
-
-int Resetter::reset_hard(mds_role_t role)
-{
-  auto fs =  fsmap->get_filesystem(role.fscid);
-  assert(fs != nullptr);
-  int64_t const pool_id = fs->mds_map.get_metadata_pool();
-
-  JournalPointer jp(role.rank, pool_id);
-  jp.front = role.rank + MDS_INO_LOG_OFFSET;
-  jp.back = 0;
-  int r = jp.save(objecter);
-  if (r != 0) {
-    derr << "Error writing journal pointer: " << cpp_strerror(r) << dendl;
-    return r;
-  }
-
-  Journaler journaler("resetter", jp.front,
-    pool_id,
-    CEPH_FS_ONDISK_MAGIC,
-    objecter, 0, 0, &finisher);
-  journaler.set_writeable();
-
-  file_layout_t default_log_layout = MDCache::gen_default_log_layout(
-      fsmap->get_filesystem(role.fscid)->mds_map);
-  journaler.create(&default_log_layout, g_conf->mds_journal_format);
-
-  C_SaferCond cond;
-  {
-    Mutex::Locker l(lock);
-    journaler.write_head(&cond);
-  }
-  r = cond.wait();
-  if (r != 0) {
-    derr << "Error writing journal header: " << cpp_strerror(r) << dendl;
-    return r;
-  }
-
-  {
-    Mutex::Locker l(lock);
-    r = _write_reset_event(&journaler);
-  }
-  if (r != 0) {
-    derr << "Error writing EResetJournal: " << cpp_strerror(r) << dendl;
-    return r;
-  }
-
-  dout(4) << "Successfully wrote new journal pointer and header for rank "
-    << role << dendl;
-  return 0;
-}
-
-int Resetter::_write_reset_event(Journaler *journaler)
-{
-  assert(journaler != NULL);
-
-  LogEvent *le = new EResetJournal;
-
-  bufferlist bl;
-  le->encode_with_header(bl, CEPH_FEATURES_SUPPORTED_DEFAULT);
-  
-  cout << "writing EResetJournal entry" << std::endl;
-  C_SaferCond cond;
-  journaler->append_entry(bl);
-  journaler->flush(&cond);
-
-  return cond.wait();
-}
-