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@xxxxxx> Reviewed-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>