[Btrfs-devel] Mknod: Operation not permitted

[Chris Mason]

On Fri, Jun 29, 2007 at 05:47:42PM +0200, Frank Groeneveld wrote:
> Yeah I know, I've always had a separate /boot partition, in ext2  
> format, so that shouldn't be a problem.
> I'm going to try to create an initrd that mounts the btrfs partition  
> and then pivot_root's too the "default" subfilesystem on that  
> partition. I'm also going to try to get the root of the btrfs  
> filesystem (where default and all subfilesystems live in) to be  
> mounted on /volumes.

Christoph did post a patch to allow btrfs to use the mount by subdir
code developed for NFS.  It might make sense to go ahead and try this
out now and do away with the top level directory confusion.  His patch
made btrfs default to mounting 'default' as the root directory.

-chris