On Wed, 15 Feb 2023 at 16:04, David Howells <dhowells@xxxxxxxxxx> wrote: > > Miklos Szeredi <miklos@xxxxxxxxxx> wrote: > > > > + ret = -EINVAL; > > > + if (in->f_flags & O_DIRECT && > > > + !(real.file->f_mode & FMODE_CAN_ODIRECT)) > > > + goto out_fdput; > > > > This is unnecessary, as it was already done in ovl_real_fdget() -> > > ovl_real_fdget_meta() -> ovl_change_flags(). > > Does that mean ovl_read_iter() and ovl_write_iter() shouldn't be doing it, > then? That's a different thing, because ovl_*_iter() are checking on ki->flags, not f_flags. Thanks, Miklos