C++ (Cpp) dm_sm_get_nr_blocks示例

示例#1

文件： dm-space-map-checker.c 项目： DirtyDroidX/android_kernel_htc_m8ul

static int ca_load(struct count_array *ca, struct dm_space_map *sm)
{
	int r;
	uint32_t count;
	dm_block_t nr_blocks, i;

	r = dm_sm_get_nr_blocks(sm, &nr_blocks);
	if (r)
		return r;

	BUG_ON(ca->nr != nr_blocks);

	DMWARN("Loading debug space map from disk.  This may take some time");
	for (i = 0; i < nr_blocks; i++) {
		r = dm_sm_get_count(sm, i, &count);
		if (r) {
			DMERR("load failed");
			return r;
		}

		ca_set_count(ca, i, count);
	}
	DMWARN("Load complete");

	return 0;
}

示例#2

文件： dm-space-map-checker.c 项目： DirtyDroidX/android_kernel_htc_m8ul

static int ca_create(struct count_array *ca, struct dm_space_map *sm)
{
	int r;
	dm_block_t nr_blocks;

	r = dm_sm_get_nr_blocks(sm, &nr_blocks);
	if (r)
		return r;

	ca->nr = nr_blocks;
	ca->nr_free = nr_blocks;
	ca->counts = kzalloc(sizeof(*ca->counts) * nr_blocks, GFP_KERNEL);
	if (!ca->counts)
		return -ENOMEM;

	return 0;
}

示例#3

文件： dm-space-map-checker.c 项目： nos1609/Chrono_Kernel-1

static int ca_create(struct count_array *ca, struct dm_space_map *sm)
{
	int r;
	dm_block_t nr_blocks;

	r = dm_sm_get_nr_blocks(sm, &nr_blocks);
	if (r)
		return r;

	ca->nr = nr_blocks;
	ca->nr_free = nr_blocks;

	if (!nr_blocks)
		ca->counts = NULL;
	else {
		ca->counts = vzalloc(sizeof(*ca->counts) * nr_blocks);
		if (!ca->counts)
			return -ENOMEM;
	}

	return 0;
}