On Mon, Jul 20, 2020 at 11:27:57PM +0200, Richard Weinberger wrote: > 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. I'm going to wait for Hans for feedback on vboxsf, but in doubt I'll ust add a prep patch or fold for this one to explicit set ra_pages to 0 with a comment then.
