btrfs: use nodesize everywhere, kill leafsize

The nodesize and leafsize were never of different values. Unify the
usage and make nodesize the one. Cleanup the redundant checks and
helpers.

Shaves a few bytes from .text:

  text    data     bss     dec     hex filename
852418   24560   23112  900090   dbbfa btrfs.ko.before
851074   24584   23112  898770   db6d2 btrfs.ko.after

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 1591620bee3d..eb309855d5c8 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -336,7 +336,7 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
         for (i = 0; i < nr; i++) {
                 struct extent_buffer *next = read_tree_block(root,
                                         btrfs_node_blockptr(c, i),
-                                        btrfs_level_size(root, level - 1),
+                                        root->nodesize,
                                         btrfs_node_ptr_generation(c, i));
                 if (btrfs_is_leaf(next) &&
                    level != 1)