Re: [PATCH 12/12] fs: remove default_backing_dev_info

Tejun Heo
2015-01-11T18:39:49Z

On Thu, Jan 08, 2015 at 06:45:33PM +0100, Christoph Hellwig wrote:
> Now that default_backing_dev_info is not used for writeback purposes we can
> git rid of it easily:
>
> - instead of using it's name for tracing unregistered bdi we just use
> "unknown"
> - btrfs and ceph can just assign the default read ahead window themselves
> like several other filesystems already do.
> - we can assign noop_backing_dev_info as the default one in alloc_super.
> All filesystems already either assigned their own or
> noop_backing_dev_info.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Tejun Heo <tj@kernel.org>

Thanks.

--
tejun