> >
> > Please have a look at this:
> > http://lkml.org/lkml/2007/3/19/220
>
>
>
> > + if (bdi_nr_reclaimable + bdi_stat(bdi, BDI_WRITEBACK) <=
> > + bdi_thresh)
> > + break;
> >
>
> Yes, this will resolve the deadlock as well, where balance_dirty_pages()
> is currently looping forever with:
Almost.
This
> - if (nr_reclaimable) {
> + if (bdi_nr_reclaimable) {
> writeback_inodes(&wbc);
still makes it loop forever if bdi_nr_reclaimable == 0, since the exit
condition is not checked.
Shouldn't it break out of the loop if bdi_stat(bdi, BDI_WRITEBACK) <=
bdi_thresh in this case?
Thanks,
Miklos
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