ext2_xattr_cache_insert(struct mb2_cache *cache, struct buffer_head *bh)
{
	__u32 hash = le32_to_cpu(HDR(bh)->h_hash);
	int error;

	error = mb2_cache_entry_create(cache, GFP_NOFS, hash, bh->b_blocknr);
	if (error) {
		if (error == -EBUSY) {
			ea_bdebug(bh, "already in cache (%d cache entries)",
				atomic_read(&ext2_xattr_cache->c_entry_count));
			error = 0;
		}
	} else
		ea_bdebug(bh, "inserting [%x]", (int)hash);
	return error;
}
Weaknesses in this category are typically found in functionality that processes data. Data processing is the manipulation of input to retrieve or save information.