示例#1
0
文件: pool.c 项目: mslusarz/nvml
/*
 * pool_set_map -- (internal) map poolset
 */
static int
pool_set_map(const char *fname, struct pool_set **poolset, int rdonly)
{
	ASSERTeq(util_is_poolset_file(fname), 1);

	struct pool_hdr hdr;
	if (pool_set_read_header(fname, &hdr))
		return -1;

	util_convert2h_hdr_nocheck(&hdr);

	/* parse pool type from first pool set file */
	enum pool_type type = pool_hdr_get_type(&hdr);
	if (type == POOL_TYPE_UNKNOWN) {
		ERR("cannot determine pool type from poolset");
		return -1;
	}

	/* get minimum size based on pool type for util_pool_open */
	size_t minsize = pool_get_min_size(type);

	/*
	 * Open the poolset, the values passed to util_pool_open are read
	 * from the first poolset file, these values are then compared with
	 * the values from all headers of poolset files.
	 */
	if (util_pool_open(poolset, fname, rdonly, minsize, hdr.signature,
			hdr.major, hdr.compat_features, hdr.incompat_features,
			hdr.ro_compat_features, NULL)) {
		ERR("opening poolset failed");
		return -1;
	}

	return 0;
}
示例#2
0
文件: pool.c 项目: krzycz/nvml
/*
 * pool_set_map -- (internal) map poolset
 */
static int
pool_set_map(const char *fname, struct pool_set **poolset, unsigned flags)
{
	ASSERTeq(util_is_poolset_file(fname), 1);

	struct pool_hdr hdr;
	if (pool_set_read_header(fname, &hdr))
		return -1;

	util_convert2h_hdr_nocheck(&hdr);

	/* parse pool type from first pool set file */
	enum pool_type type = pool_hdr_get_type(&hdr);
	if (type == POOL_TYPE_UNKNOWN) {
		ERR("cannot determine pool type from poolset");
		return -1;
	}

	/*
	 * Open the poolset, the values passed to util_pool_open are read
	 * from the first poolset file, these values are then compared with
	 * the values from all headers of poolset files.
	 */
	struct pool_attr attr;
	util_pool_hdr2attr(&attr, &hdr);
	if (util_pool_open(poolset, fname, 0 /* minpartsize */, &attr,
				NULL, NULL, flags | POOL_OPEN_IGNORE_SDS |
						POOL_OPEN_IGNORE_BAD_BLOCKS)) {
		ERR("opening poolset failed");
		return -1;
	}

	return 0;
}