On Wed, Nov 24, 2010 at 06:26:16PM +0800, Peter Zijlstra wrote:
quoted text
> On Wed, 2010-11-17 at 12:27 +0800, Wu Fengguang wrote:
> > @@ -1292,6 +1292,7 @@ int test_clear_page_writeback(struct pag
> >                                                 PAGECACHE_TAG_WRITEBACK);
> >                         if (bdi_cap_account_writeback(bdi)) {
> >                                 __dec_bdi_stat(bdi, BDI_WRITEBACK);
> > +                               __inc_bdi_stat(bdi, BDI_WRITTEN);
> >                                 __bdi_writeout_inc(bdi);
> >                         }
> >                 } 
> 
> Shouldn't that live in __bdi_writeout_inc()? It looks like this forgets
> about fuse (fuse_writepage_finish() -> bdi_writeout_inc() ->
> __bdi_writeout_inc()).

Good catch! Will fix it in next post.

Thanks,
Fengguang
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