[PATCH v3] ovl: fix null pointer when filesystemdoesn'tsupportdirect IO

[Miklos Szeredi]

On Tue, 28 Sept 2021 at 09:01, Huang Jianan <huangjianan at oppo.com> 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 at oppo.com>

Thanks for testing!

Miklos