ih_free_space     131 fs/reiserfs/prints.c 			       ih_free_space(ih));
ih_free_space    1412 fs/reiserfs/reiserfs.h #define get_ih_free_space(ih) (ih_version (ih) == KEY_FORMAT_3_6 ? 0 : ih_free_space (ih))
ih_free_space    2668 fs/reiserfs/reiserfs.h #define I_POS_UNFM_SIZE(ih,pos,size) (((pos) == I_UNFM_NUM(ih) - 1 ) ? (size) - ih_free_space(ih) : (size))