On Wed, 2017-05-03 at 17:50 +0100, David Howells wrote: > Jeff Layton <jlayton@xxxxxxxxxxxxxxx> wrote: > > > > (*) Move the walk-from-root stuff that nfs has to generic code so that you > > > can do something akin to: > > > > > > mount /dev/sda1:/foo/bar /mnt > > > > > > See nfs_follow_remote_path() and mount_subtree(). This is slightly > > > tricky in NFS as we have to prevent referral loops. > > > > > > > ':' is a legitimate character in a path component. How will you > > distinguish that case? > > Fair point. Could instead do something like: > > mount /dev/sda1 /mnt -o subroot=/foo/bar > > or just limit it to the fsopen interface. > > Yeah, something like that would certainly work. I like the basic idea though of combining a mount and bind mount for local fs'. -- Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
