On Fri, Jul 05, 2024 at 04:24:37PM +0000, John Garry wrote: > The actual forcealign patches are the same in this series, modulo an > attempt for a fix in xfs_bunmapi_align(). > > Why forcealign? > In some scenarios to may be required to guarantee extent alignment and > granularity. > > For example, for atomic writes, the maximum atomic write unit size would > be limited at the extent alignment and granularity, guaranteeing that an > atomic write would not span data present in multiple extents. > > forcealign may be useful as a performance tuning optimization in other > scenarios.