C++ (Cpp) blk_rq_count_integrity_sgの例

コード例 #1

ファイル: blk-integrity.c プロジェクト: JcShang/linux-80211n-csitool

bool blk_integrity_merge_bio(struct request_queue *q, struct request *req,
			     struct bio *bio)
{
	int nr_integrity_segs;
	struct bio *next = bio->bi_next;

	if (blk_integrity_rq(req) == 0 && bio_integrity(bio) == NULL)
		return true;

	if (blk_integrity_rq(req) == 0 || bio_integrity(bio) == NULL)
		return false;

	if (bio_integrity(req->bio)->bip_flags != bio_integrity(bio)->bip_flags)
		return false;

	bio->bi_next = NULL;
	nr_integrity_segs = blk_rq_count_integrity_sg(q, bio);
	bio->bi_next = next;

	if (req->nr_integrity_segments + nr_integrity_segs >
	    q->limits.max_integrity_segments)
		return false;

	req->nr_integrity_segments += nr_integrity_segs;

	return true;
}

コード例 #2

ファイル: blk-integrity.c プロジェクト: wx1183618058/m463

int blk_integrity_merge_bio(struct request_queue *q, struct request *req,
                            struct bio *bio)
{
    int nr_integrity_segs;
    struct bio *next = bio->bi_next;

    bio->bi_next = NULL;
    nr_integrity_segs = blk_rq_count_integrity_sg(q, bio);
    bio->bi_next = next;

    if (req->nr_integrity_segments + nr_integrity_segs >
            q->limits.max_integrity_segments)
        return -1;

    req->nr_integrity_segments += nr_integrity_segs;

    return 0;
}