ceph/src/libradosstriper/MultiAioCompletionImpl.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2014 Sebastien Ponce <sebastien.ponce@cern.ch>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #include "common/dout.h"
  16
  17 #include "libradosstriper/MultiAioCompletionImpl.h"
  18
  19 void libradosstriper::MultiAioCompletionImpl::complete_request(ssize_t r)
  20 {
  21   lock.Lock();
  22   if (rval >= 0) {
  23     if (r < 0 && r != -EEXIST)
  24       rval = r;
  25     else if (r > 0)
  26       rval += r;
  27   }
  28   assert(pending_complete);
  29   int count = --pending_complete;
  30   if (!count && !building) {
  31     complete();
  32   }
  33   put_unlock();
  34 }
  35
  36 void libradosstriper::MultiAioCompletionImpl::safe_request(ssize_t r)
  37 {
  38   lock.Lock();
  39   if (rval >= 0) {
  40     if (r < 0 && r != -EEXIST)
  41       rval = r;
  42   }
  43   assert(pending_safe);
  44   int count = --pending_safe;
  45   if (!count && !building) {
  46     safe();
  47   }
  48   put_unlock();
  49 }
  50
  51 void libradosstriper::MultiAioCompletionImpl::finish_adding_requests()
  52 {
  53   lock.Lock();
  54   assert(building);
  55   building = false;
  56   if (!pending_complete)
  57     complete();
  58   if (!pending_safe)
  59     safe();
  60   lock.Unlock();
  61 }
  62
  63 void intrusive_ptr_add_ref(libradosstriper::MultiAioCompletionImpl* ptr)
  64 {
  65   ptr->get();
  66 }
  67
  68 void intrusive_ptr_release(libradosstriper::MultiAioCompletionImpl* ptr)
  69 {
  70   ptr->put();
  71 }