PCACHE_CRC_SEED
return crc32c(PCACHE_CRC_SEED, data, key->len);
return crc32c(PCACHE_CRC_SEED, (void *)kset_onmedia + 4, crc_size);
sb->crc = cpu_to_le32(crc32c(PCACHE_CRC_SEED, (void *)(sb) + 4, sizeof(struct pcache_sb) - 4));
crc = crc32c(PCACHE_CRC_SEED, (void *)(sb) + 4, sizeof(struct pcache_sb) - 4);
return crc32c(PCACHE_CRC_SEED, (void *)header + 4, meta_size - 4);