[PATCH 12/12] fs: remove default_backing_dev_info

2015-01-14 Thread Christoph Hellwig
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

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

2015-01-14 Thread Jan Kara
On Wed 14-01-15 10:42:41, 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

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

2015-01-11 Thread Tejun Heo
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

[PATCH 12/12] fs: remove default_backing_dev_info

2015-01-08 Thread Christoph Hellwig
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