BLK_STS_INVAL
[BLK_STS_INVAL] = { -EINVAL, "invalid" },
return BLK_STS_INVAL;
return BLK_STS_INVAL;
enc_bio->bi_status = BLK_STS_INVAL;
return BLK_STS_INVAL;
iter->status = BLK_STS_INVAL;
return BLK_STS_INVAL;
return BLK_STS_INVAL;
rc = BLK_STS_INVAL;