From: "Luis R. Rodriguez" <mcgrof@suse.com> This makes the implementation simpler by stuffing the struct on the driver and just letting the driver iinsert it and remove it onto the sb list. This avoids the kzalloc() completely. Luis R. Rodriguez (2): fs/super.c: add new super block sub devices super_block_dev btrfs: use the new VFS super_block_dev fs/btrfs/ctree.h | 7 ++---- fs/btrfs/disk-io.c | 6 ++--- fs/btrfs/inode.c | 2 +- fs/super.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++-- include/linux/fs.h | 10 ++++++++ 5 files changed, 81 insertions(+), 12 deletions(-) -- 2.0.1