Method ll_read

src/client/Client.cc:17103–17139

}

int Client::ll_read(Fh *fh, loff_t off, loff_t len, bufferlist *bl)
{
  RWRef_t mref_reader(mount_state, CLIENT_MOUNTING);
  if (!mref_reader.is_state_satisfied()) {
    return -ENOTCONN;
  }

#if defined(__linux__)
  /* We can't return bytes written larger than INT_MAX, clamp size to
   * that or FSCRYPT_MAXIO_SIZE*/
  Inode *in = fh->inode.get();
  if (in->is_fscrypt_enabled()) {
    len = std::min(len, (loff_t)FSCRYPT_MAXIO_SIZE);
  } else {
  /* We can't return bytes written larger than INT_MAX, clamp len to that */
    len = std::min(len, (loff_t)INT_MAX);
  }
#else
  len = std::min(len, (loff_t)INT_MAX);
#endif
  std::scoped_lock lock(client_lock);
  if (fh == NULL || !_ll_fh_exists(fh)) {
    ldout(cct, 3) << "(fh)" << fh << " is invalid" << dendl;
    return -EBADF;
  }

  ldout(cct, 3) << "ll_read " << fh << " " << fh->inode->ino << " " << " " << off << "~" << len << dendl;
  tout(cct) << "ll_read" << std::endl;
  tout(cct) << (uintptr_t)fh << std::endl;
  tout(cct) << off << std::endl;
  tout(cct) << len << std::endl;

  int r = _read(fh, off, len, bl);
  ldout(cct, 3) << "ll_read " << fh << " " << off << "~" << len << " = " << r
		<< dendl;
  return r;
}

int Client::ll_read_block(Inode *in, uint64_t blockid,
			  char *buf,