Re: [PATCH] mm: adjust max read count in generic_file_buffered_read()

From: Andrew Morton
Date: Fri Jul 20 2018 - 19:14:39 EST


On Thu, 19 Jul 2018 10:58:12 +0200 Jan Kara <jack@xxxxxxx> wrote:

> On Thu 19-07-18 16:17:26, Chengguang Xu wrote:
> > When we try to truncate read count in generic_file_buffered_read(),
> > should deliver (sb->s_maxbytes - offset) as maximum count not
> > sb->s_maxbytes itself.
> >
> > Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx>
>
> Looks good to me. You can add:
>
> Reviewed-by: Jan Kara <jack@xxxxxxx>

Yup.

What are the runtime effects of this bug?