29 #define __darray_resize(_d, _element_size, _new_size, _gfp)		\  argument
30 	(unlikely((_new_size) > (_d)->size)				\
31 	 ? __bch2_darray_resize((_d), (_element_size), (_new_size), (_gfp))\
34 #define darray_resize_gfp(_d, _new_size, _gfp)				\  argument
35 	__darray_resize((darray_char *) (_d), sizeof((_d)->data[0]), (_new_size), _gfp)
37 #define darray_resize(_d, _new_size)					\  argument
38 	darray_resize_gfp(_d, _new_size, GFP_KERNEL)
40 #define darray_make_room_gfp(_d, _more, _gfp)				\  argument
41 	darray_resize_gfp((_d), (_d)->nr + (_more), _gfp)
43 #define darray_make_room(_d, _more)					\  argument
44 	darray_make_room_gfp(_d, _more, GFP_KERNEL)
46 #define darray_room(_d)		((_d).size - (_d).nr)  argument
48 #define darray_top(_d)		((_d).data[(_d).nr])  argument
50 #define darray_push_gfp(_d, _item, _gfp)				\  argument
52 	int _ret = darray_make_room_gfp((_d), 1, _gfp);			\
55 		(_d)->data[(_d)->nr++] = (_item);			\
59 #define darray_push(_d, _item)	darray_push_gfp(_d, _item, GFP_KERNEL)  argument
61 #define darray_pop(_d)		((_d)->data[--(_d)->nr])  argument
63 #define darray_first(_d)	((_d).data[0])  argument
64 #define darray_last(_d)		((_d).data[(_d).nr - 1])  argument
66 #define darray_insert_item(_d, pos, _item)				\  argument
69 	int _ret = darray_make_room((_d), 1);				\
72 		array_insert_item((_d)->data, (_d)->nr, _pos, (_item));	\
76 #define darray_remove_item(_d, _pos)					\  argument
77 	array_remove_item((_d)->data, (_d)->nr, (_pos) - (_d)->data)
79 #define __darray_for_each(_d, _i)						\  argument
80 	for ((_i) = (_d).data; _i < (_d).data + (_d).nr; _i++)
82 #define darray_for_each(_d, _i)						\  argument
83 	for (typeof(&(_d).data[0]) _i = (_d).data; _i < (_d).data + (_d).nr; _i++)
85 #define darray_for_each_reverse(_d, _i)					\  argument
86 	for (typeof(&(_d).data[0]) _i = (_d).data + (_d).nr - 1; _i >= (_d).data; --_i)
88 #define darray_init(_d)							\  argument
90 	(_d)->nr = 0;							\
91 	(_d)->size = ARRAY_SIZE((_d)->preallocated);			\
92 	(_d)->data = (_d)->size ? (_d)->preallocated : NULL;		\
95 #define darray_exit(_d)							\  argument
97 	if (!ARRAY_SIZE((_d)->preallocated) ||				\
98 	    (_d)->data != (_d)->preallocated)				\
99 		kvfree((_d)->data);					\
100 	darray_init(_d);						\