BEFS_I
befs_data_stream *ds = &BEFS_I(inode)->i_data.ds;
const befs_data_stream *ds = &BEFS_I(dir)->i_data.ds;
const befs_data_stream *ds = &BEFS_I(inode)->i_data.ds;
kmem_cache_free(befs_inode_cachep, BEFS_I(inode));
befs_ino = BEFS_I(inode);
struct befs_inode_info *befs_ino = BEFS_I(inode);
struct befs_inode_info *befs_ino = BEFS_I(d_inode(child));