Method fetch

src/mds/CInode.cc:1349–1369

};

void CInode::fetch(MDSContext *fin)
{
  dout(10) << __func__  << dendl;

  C_IO_Inode_Fetched *c = new C_IO_Inode_Fetched(this, fin);
  C_GatherBuilder gather(g_ceph_context, new C_OnFinisher(c, mdcache->mds->finisher));

  object_t oid = CInode::get_object_name(ino(), frag_t(), "");
  object_locator_t oloc(mdcache->mds->get_metadata_pool());

  // Old on-disk format: inode stored in xattr of a dirfrag
  ObjectOperation rd;
  rd.getxattr("inode", &c->bl, NULL);
  mdcache->mds->objecter->read(oid, oloc, rd, CEPH_NOSNAP, (bufferlist*)NULL, 0, gather.new_sub());

  // Current on-disk format: inode stored in a .inode object
  object_t oid2 = CInode::get_object_name(ino(), frag_t(), ".inode");
  mdcache->mds->objecter->read(oid2, oloc, 0, 0, CEPH_NOSNAP, &c->bl2, 0, gather.new_sub());

  gather.activate();
}

void CInode::_fetched(bufferlist& bl, bufferlist& bl2, Context *fin)
{