UBIFS_S_KEY_BLOCK_MASK
ubifs_assert(c, !(block & ~UBIFS_S_KEY_BLOCK_MASK));
data_key_init(c, key, inum, UBIFS_S_KEY_BLOCK_MASK);
return key->u32[1] & UBIFS_S_KEY_BLOCK_MASK;
return le32_to_cpu(key->j32[1]) & UBIFS_S_KEY_BLOCK_MASK;
#define UBIFS_S_KEY_HASH_MASK UBIFS_S_KEY_BLOCK_MASK