On Wed, May 30, 2018 at 10:30:32AM +0100, Steven Whitehouse wrote: > I may have missed the context here, but I thought that the boundary was a > generic thing meaning "there will have to be a metadata read before more > blocks can be mapped" so I'm not sure why that would now be GFS2 specific? It was always a hack. But with iomap it doesn't make any sensee to start with, all metadata I/O happens in iomap_begin, so there is no point in marking an iomap with flags like this for the actual iomap interface.
