linux-kernel - Re: [PATCH 0/9] Per-bdi writeback flusher threads v13

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Message-ID: <20090803192939.GA9524@brouette>
Date:	Mon, 3 Aug 2009 21:29:39 +0200
From:	Damien Wyart <damien.wyart@...e.fr>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	chris.mason@...cle.com, david@...morbit.com, hch@...radead.org,
	akpm@...ux-foundation.org, jack@...e.cz,
	yanmin_zhang@...ux.intel.com, richard@....demon.co.uk,
	fweisbec@...il.com, Alan.Brunelle@...com
Subject: Re: [PATCH 0/9] Per-bdi writeback flusher threads v13

> > fs/sync.c has changed some time ago and I think your patch needs this
> > (which I had lazyly added by hand in v12 without telling):

> > --- a/fs/sync.c	2009-07-31 07:32:08.927926281 +0200
> > +++ b/fs/sync.c	2009-07-31 07:31:52.499801359 +0200
> > @@ -118,7 +118,7 @@ restart:
> >   */
> >  SYSCALL_DEFINE0(sync)
> >  {
> > -	wakeup_pdflush(0);
> > +	wakeup_flusher_threads(0);
> >  	sync_filesystems(0);
> >  	sync_filesystems(1);
> >  	if (unlikely(laptop_mode))

* Jens Axboe <jens.axboe@...cle.com> [2009-07-31 09:15]:
> Argh, I had fixed that long ago, but a branch problem yesterday caused
> it to be lost just before posting. How annoying. Thanks for the hint,
> I'll update the v13 branch and patch.

Mmm. I wanted to test v13 on another machine and re-downloaded the patch
this morning (Paris time) but it seems completly wrong. It applied
cleany but I did not even try to compile as the files changed seemed
completely unrelated to per-bdi writeback. I guess there has been an
error in generating it.

Best,
-- 
Damien Wyart
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