On Wed 13-05-20 14:41:55, Ira Weiny wrote: > On Wed, May 13, 2020 at 04:47:06PM +0200, Jan Kara wrote: > > > > So I think you'll have to check > > whether DAX flag is being changed, > > ext4_dax_dontcache() does check if the flag is being changed. Yes, but if you call it after inode flags change, you cannot determine that just from flags and EXT4_I(inode)->i_flags. So that logic needs to change. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR