Re: [PATCH 05/10] writeback: support > 1 flusher thread per bdi

From: Christoph Hellwig
Date: Mon Aug 31 2009 - 09:01:43 EST

On Mon, Aug 31, 2009 at 02:14:46PM +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.

Please drop this for now. It adds a lot of unused and untestede code
including a dead on arrival inode operation.

Once we are going to add actual multiple flusher threads we can revise
it. But I don't think for example that the operation in it's current
form makese too much sense - the most logical way to add multiple
flushers per filesystems would be having multiple bdis of some sort.

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