On Thu, May 28 2009, Peter Zijlstra wrote: > On Thu, 2009-05-28 at 17:19 +0300, Artem Bityutskiy wrote: > > Artem Bityutskiy wrote: > > > question is - should it? 'bdi_register()' a block device, > > > but we do not have one. > > > > Sorry, wanted to say: 'bdi_register()' registers a block > > device. > > BDI stands for backing device info and is not related to block devices > other than that block devices can also be (ok, always are) backing > devices. > > If you want to do writeback, you need a backing device to write to. The > BDI is the device abstraction for writeback. Precisely. Apparently ubifs doesn't register its backing device. I fixed a similar issue in btrfs, I'll do an audit of the file systems and fix that up. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
