John, you are probably right that allowing a passed fd would also be useful,
but nobody has done it this way before because of the need to use
O_LOV_DELAY_CREATE within the application code... and to be honest very few
applications tune their IO to this extent, especially with PFL layouts being
Andreas,
Thanks for the info. A related question: I am using the
O_LOV_DELAY_CREATE open flag mechanism to open a file and then set the
composite layout with llapi_layout_file_open(). I was kind of surprised
this worked. This ends up opening the file twice and I simply close the
fd return
