linux-kernel - Re: [PATCH 07/12] writeback: support

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Message-ID: <20090604194813.GA11363@kernel.dk>
Date:	Thu, 4 Jun 2009 21:48:13 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.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
Subject: Re: [PATCH 07/12] writeback: support > 1 flusher thread per bdi

On Thu, Jun 04 2009, Paul E. McKenney wrote:
> On Tue, May 26, 2009 at 11:33:45AM +0200, Jens Axboe wrote:
> > Build on the bdi_writeback support by allowing registration of
> > more than 1 flusher thread. File systems can call bdi_add_flusher_task(bdi)
> > to add more flusher threads to the device. If they do so, they must also
> > provide a super_operations function to return the suitable bdi_writeback
> > struct from any given inode.
> 
> Looks good from an RCU perspective.  SRCU used for wb_list, RCU for the
> other RCU-protected data.  ;-)

Great, thanks for reviewing!

-- 
Jens Axboe

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