Method ll_write

src/client/Client.cc:17258–17296

}

int Client::ll_write(Fh *fh, loff_t off, loff_t len, const char *data)
{
  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 {
    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_write " << fh << " " << fh->inode->ino << " " << off <<
    "~" << len << dendl;
  tout(cct) << "ll_write" << std::endl;
  tout(cct) << (uintptr_t)fh << std::endl;
  tout(cct) << off << std::endl;
  tout(cct) << len << std::endl;

  bufferlist bl;
  bl.append(data, len);
  int r = _write(fh, off, len, std::move(bl));
  ldout(cct, 3) << "ll_write " << fh << " " << off << "~" << len << " = " << r
		<< dendl;
  return r;
}

int64_t Client::ll_writev(struct Fh *fh, const struct iovec *iov, int iovcnt, int64_t off)
{