29 			 struct dm_disk_bitset *info)  in dm_disk_bitset_init()  argument
31 	dm_array_info_init(&info->array_info, tm, &bitset_bvt);  in dm_disk_bitset_init()
32 	info->current_index_set = false;  in dm_disk_bitset_init()
36 int dm_bitset_empty(struct dm_disk_bitset *info, dm_block_t *root)  in dm_bitset_empty()  argument
38 	return dm_array_empty(&info->array_info, root);  in dm_bitset_empty()
42 int dm_bitset_resize(struct dm_disk_bitset *info, dm_block_t root,  in dm_bitset_resize()  argument
51 	return dm_array_resize(&info->array_info, root, old_blocks, new_blocks,  in dm_bitset_resize()
56 int dm_bitset_del(struct dm_disk_bitset *info, dm_block_t root)  in dm_bitset_del()  argument
58 	return dm_array_del(&info->array_info, root);  in dm_bitset_del()
62 int dm_bitset_flush(struct dm_disk_bitset *info, dm_block_t root,  in dm_bitset_flush()  argument
68 	if (!info->current_index_set || !info->dirty)  in dm_bitset_flush()
71 	value = cpu_to_le64(info->current_bits);  in dm_bitset_flush()
74 	r = dm_array_set_value(&info->array_info, root, info->current_index,  in dm_bitset_flush()
79 	info->current_index_set = false;  in dm_bitset_flush()
80 	info->dirty = false;  in dm_bitset_flush()
86 static int read_bits(struct dm_disk_bitset *info, dm_block_t root,  in read_bits()  argument
92 	r = dm_array_get_value(&info->array_info, root, array_index, &value);  in read_bits()
96 	info->current_bits = le64_to_cpu(value);  in read_bits()
97 	info->current_index_set = true;  in read_bits()
98 	info->current_index = array_index;  in read_bits()
99 	info->dirty = false;  in read_bits()
104 static int get_array_entry(struct dm_disk_bitset *info, dm_block_t root,  in get_array_entry()  argument
110 	if (info->current_index_set) {  in get_array_entry()
111 		if (info->current_index == array_index)  in get_array_entry()
114 		r = dm_bitset_flush(info, root, new_root);  in get_array_entry()
119 	return read_bits(info, root, array_index);  in get_array_entry()
122 int dm_bitset_set_bit(struct dm_disk_bitset *info, dm_block_t root,  in dm_bitset_set_bit()  argument
128 	r = get_array_entry(info, root, index, new_root);  in dm_bitset_set_bit()
132 	set_bit(b, (unsigned long *) &info->current_bits);  in dm_bitset_set_bit()
133 	info->dirty = true;  in dm_bitset_set_bit()
139 int dm_bitset_clear_bit(struct dm_disk_bitset *info, dm_block_t root,  in dm_bitset_clear_bit()  argument
145 	r = get_array_entry(info, root, index, new_root);  in dm_bitset_clear_bit()
149 	clear_bit(b, (unsigned long *) &info->current_bits);  in dm_bitset_clear_bit()
150 	info->dirty = true;  in dm_bitset_clear_bit()
156 int dm_bitset_test_bit(struct dm_disk_bitset *info, dm_block_t root,  in dm_bitset_test_bit()  argument
162 	r = get_array_entry(info, root, index, new_root);  in dm_bitset_test_bit()
166 	*result = test_bit(b, (unsigned long *) &info->current_bits);  in dm_bitset_test_bit()