On Fri, Jun 30, 2017 at 01:51:10PM +0200, Andreas Gruenbacher wrote: > Also, ext4 no longer calls inode_lock or inode_lock_shared; that needs > to be added back for consistency between reading i_size and walking > the file extents. At least for XFS we never had such a consistency as we never took the iolock (aka i_rwsem).