efivarfs_fs_info
struct efivarfs_fs_info *fsi = sb->s_fs_info;
struct efivarfs_fs_info *sfi = container_of(nb, struct efivarfs_fs_info, nb);
struct efivarfs_fs_info *sbi = fc->s_fs_info;
struct efivarfs_fs_info *sfi = sb->s_fs_info;
struct efivarfs_fs_info *sfi;
struct efivarfs_fs_info *sfi = sb->s_fs_info;
struct efivarfs_fs_info *sbi = sb->s_fs_info;