On Tue, 28 Sept 2021 at 09:01, Huang Jianan <huangjianan@xxxxxxxx> wrote: > > 在 2021/9/27 17:38, Miklos Szeredi 写道: > > On Wed, Sep 22, 2021 at 04:00:47PM +0200, Miklos Szeredi wrote: > > > >> First let's fix the oops: ovl_read_iter()/ovl_write_iter() must check > >> real file's ->direct_IO if IOCB_DIRECT is set in iocb->ki_flags and > >> return -EINVAL if not. > > And here's that fix. Please test. > > This patch can fix the oops. > > Tested-by: Huang Jianan <huangjianan@xxxxxxxx> Thanks for testing! Miklos