btrfs: use smaller type for btrfs_path lowest_level
authorDavid Sterba <dsterba@suse.com>
Fri, 27 Nov 2015 15:31:42 +0000 (16:31 +0100)
committerDavid Sterba <dsterba@suse.com>
Thu, 7 Jan 2016 14:01:17 +0000 (15:01 +0100)
commit7853f15b2aeeb01c587168fc3f7f0ff76a3c9bfd
tree3812a4cf21f76e6be44153b94e6d8c640da36835
parentdccabfad20880bc6c8be21b538df4293506b99f8
btrfs: use smaller type for btrfs_path lowest_level

The level is 0..7, we can use smaller type. The size of btrfs_path is now
136 bytes from 144, which is +2 objects that fit into a 4k slab.

Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ctree.h