27 	size_t key;
36 static struct buffer_head *wnd_map(struct wnd_bitmap *wnd, size_t iw);
37 static bool wnd_is_free_hlp(struct wnd_bitmap *wnd, size_t bit, size_t bits);
54 static inline u32 wnd_bits(const struct wnd_bitmap *wnd, size_t i)  in wnd_bits()
67 static size_t wnd_scan(const ulong *buf, size_t wbit, u32 wpos, u32 wend,  in wnd_scan()
68 		       size_t to_alloc, size_t *prev_tail, size_t *b_pos,  in wnd_scan()
69 		       size_t *b_len)  in wnd_scan()
72 		size_t free_len;  in wnd_scan()
146 static struct rb_node *rb_lookup(struct rb_root *root, size_t v)  in rb_lookup()
175 	size_t e_ckey = e->count.key;  in rb_insert_count()
176 	size_t e_skey = e->start.key;  in rb_insert_count()
208 	size_t e_skey = e->start.key;  in rb_insert_start()
235 static void wnd_add_free_ext(struct wnd_bitmap *wnd, size_t bit, size_t len,  in wnd_add_free_ext()
239 	size_t ib, end_in = bit + len;  in wnd_add_free_ext()
270 			size_t next_end;  in wnd_add_free_ext()
366 static void wnd_remove_free_ext(struct wnd_bitmap *wnd, size_t bit, size_t len)  in wnd_remove_free_ext()
370 	size_t end_in = bit + len;  in wnd_remove_free_ext()
371 	size_t end3, end, new_key, new_len, max_new_len;  in wnd_remove_free_ext()
504 	size_t prev_tail = 0;  in wnd_rescan()
513 	size_t wpos, wbit, iw, vbo;  in wnd_rescan()
641 		size_t zlen = wnd->zone_end - wnd->zone_bit;  in wnd_rescan()
651 int wnd_init(struct wnd_bitmap *wnd, struct super_block *sb, size_t nbits)  in wnd_init()
687 static struct buffer_head *wnd_map(struct wnd_bitmap *wnd, size_t iw)  in wnd_map()
689 	size_t vbo;  in wnd_map()
716 int wnd_set_free(struct wnd_bitmap *wnd, size_t bit, size_t bits)  in wnd_set_free()
720 	size_t bits0 = bits;  in wnd_set_free()
722 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_set_free()
769 int wnd_set_used(struct wnd_bitmap *wnd, size_t bit, size_t bits)  in wnd_set_used()
773 	size_t bits0 = bits;  in wnd_set_used()
774 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_set_used()
823 static bool wnd_is_free_hlp(struct wnd_bitmap *wnd, size_t bit, size_t bits)  in wnd_is_free_hlp()
826 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_is_free_hlp()
866 bool wnd_is_free(struct wnd_bitmap *wnd, size_t bit, size_t bits)  in wnd_is_free()
870 	size_t end;  in wnd_is_free()
898 bool wnd_is_used(struct wnd_bitmap *wnd, size_t bit, size_t bits)  in wnd_is_used()
902 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_is_used()
905 	size_t end;  in wnd_is_used()
961 size_t wnd_find(struct wnd_bitmap *wnd, size_t to_alloc, size_t hint,  in wnd_find()
962 		size_t flags, size_t *allocated)  in wnd_find()
966 	size_t fnd, max_alloc, b_len, b_pos;  in wnd_find()
967 	size_t iw, prev_tail, nwnd, wbit, ebit, zbit, zend;  in wnd_find()
968 	size_t to_alloc0 = to_alloc;  in wnd_find()
978 		size_t zeroes = wnd_zeroes(wnd);  in wnd_find()
1042 		size_t len = e->start.key + e->count.key - hint;  in wnd_find()
1080 			size_t op, max_check;  in wnd_find()
1132 		size_t t = max_alloc + wbits - 1;  in wnd_find()
1157 				size_t t = max_alloc & (wbits - 1);  in wnd_find()
1273 		size_t nextmax = hint + to_alloc;  in wnd_find()
1312 int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits)  in wnd_extend()
1320 	size_t bits, iw, new_wnd;  in wnd_extend()
1321 	size_t old_bits = wnd->nbits;  in wnd_extend()
1353 		size_t frb;  in wnd_extend()
1398 void wnd_zone_set(struct wnd_bitmap *wnd, size_t lcn, size_t len)  in wnd_zone_set()
1400 	size_t zlen;  in wnd_zone_set()
1422 	size_t iw = lcn_from >> (sb->s_blocksize_bits + 3);  in ntfs_trim_fs()