> > Hi,
> >
> > It looks like bdi_thresh will always be zero if filesystem does
> > synchronous writepage, resulting in very poor write performance.
> >
> > Hostfs (UML) is one such example, but there might be others.
> >
> > The only solution I can think of is to add a set_page_writeback();
> > end_page_writeback() pair (or some reduced variant, that only does
> > the proportions magic). But that means auditing quite a few
> > filesystems...
>
> Ouch...
>
> I take it there is no other function that is shared between all these
> writeout paths which we could stick a bdi_writeout_inc(bdi) in?
No, and you can't detect it from the callers either I think.
Miklos
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
