On Mon, Apr 08, 2019 at 03:44:05PM +0200, Jan Kara wrote: > > We won't be able to do a log flush while another transaction is > > active, but that's what's needed to clean dirty pages. iomap doesn't > > allow us to put the block allocation into a separate transaction from > > the page writes; for that, the opposite to the page_done hook would > > probably be needed. > > I agree that a ->page_prepare() hook would be probably the cleanest > solution for this. That doesn't sound too bad to me.
