Re: [PATCH 04/14] bdi: initialize ->ra_pages in bdi_init

[Richard Weinberger]

On Mon, Jul 20, 2020 at 2:37 PM Artem Bityutskiy <dedekind1@xxxxxxxxx> wrote:
>
> On Mon, 2020-07-20 at 14:07 +0200, Christoph Hellwig wrote:
> > What about jffs2 and blk2mtd raw block devices?

I don't worry much about blk2mtd.

> If my memory serves me correctly JFFS2 did not mind readahead.

This covers my knowledge too.
I fear enabling readahead on JFFS2 will cause performance issues, this
filesystem
is mostly used on small and slow NOR devices.

-- 
Thanks,
//richard