On Wed, Jun 14, 2017 at 01:05:26PM -0600, Jens Axboe wrote: > No functional changes in this patch, just in preparation for > allowing applications to pass in hints about data life times > for writes. > > Pack the i_stream field into a 2-byte hole, so we don't grow > the size of the inode. Can't we find space for 4 flags somewhere else?