Method store

src/mds/CInode.cc:1261–1290

}

void CInode::store(MDSContext *fin)
{
  dout(10) << __func__ << " " << get_version() << dendl;
  ceph_assert(is_base());

  if (snaprealm)
    purge_stale_snap_data(snaprealm->get_snaps());

  // encode
  bufferlist bl;
  string magic = CEPH_FS_ONDISK_MAGIC;
  using ceph::encode;
  encode(magic, bl);
  encode_store(bl, mdcache->mds->mdsmap->get_up_features());

  // write it.
  SnapContext snapc;
  ObjectOperation m;
  m.write_full(bl);

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

  Context *newfin =
    new C_OnFinisher(new C_IO_Inode_Stored(this, get_version(), fin),
		     mdcache->mds->finisher);
  mdcache->mds->objecter->mutate(oid, oloc, m, snapc,
				 ceph::real_clock::now(), 0,
				 newfin);
}

void CInode::_stored(int r, version_t v, Context *fin)
{