On Thu, Aug 24, 2017 at 05:22:07PM +0200, Christoph Hellwig wrote: > Return IOMAP_F_NEEDDSYNC from xfs_file_iomap_begin() for a synchronous > write fault when inode is pinned, and has dirty fields other than the > timestamps. In xfs_filemap_huge_fault() we then detect this case and __xfs_filemap_fault() Otherwise this looks good to me: Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>