diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-integrity.c | 36 | ||||
| -rw-r--r-- | block/blk-merge.c | 6 |
2 files changed, 29 insertions, 13 deletions
diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 1c6ba442cd91..79ffb4855af0 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -186,37 +186,53 @@ int blk_integrity_compare(struct gendisk *gd1, struct gendisk *gd2) } EXPORT_SYMBOL(blk_integrity_compare); -int blk_integrity_merge_rq(struct request_queue *q, struct request *req, - struct request *next) +bool blk_integrity_merge_rq(struct request_queue *q, struct request *req, + struct request *next) { - if (blk_integrity_rq(req) != blk_integrity_rq(next)) - return -1; + if (blk_integrity_rq(req) == 0 && blk_integrity_rq(next) == 0) + return true; + + if (blk_integrity_rq(req) == 0 || blk_integrity_rq(next) == 0) + return false; + + if (bio_integrity(req->bio)->bip_flags != + bio_integrity(next->bio)->bip_flags) + return false; if (req->nr_integrity_segments + next->nr_integrity_segments > q->limits.max_integrity_segments) - return -1; + return false; - return 0; + return true; } EXPORT_SYMBOL(blk_integrity_merge_rq); -int blk_integrity_merge_bio(struct request_queue *q, struct request *req, - struct bio *bio) +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 -1; + return false; req->nr_integrity_segments += nr_integrity_segs; - return 0; + return true; } EXPORT_SYMBOL(blk_integrity_merge_bio); diff --git a/block/blk-merge.c b/block/blk-merge.c index 77881798f793..f71bad35b4cc 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -313,7 +313,7 @@ static inline int ll_new_hw_segment(struct request_queue *q, if (req->nr_phys_segments + nr_phys_segs > queue_max_segments(q)) goto no_merge; - if (bio_integrity(bio) && blk_integrity_merge_bio(q, req, bio)) + if (blk_integrity_merge_bio(q, req, bio) == false) goto no_merge; /* @@ -410,7 +410,7 @@ static int ll_merge_requests_fn(struct request_queue *q, struct request *req, if (total_phys_segments > queue_max_segments(q)) return 0; - if (blk_integrity_rq(req) && blk_integrity_merge_rq(q, req, next)) + if (blk_integrity_merge_rq(q, req, next) == false) return 0; /* Merge is OK... */ @@ -590,7 +590,7 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) return false; /* only merge integrity protected bio into ditto rq */ - if (bio_integrity(bio) != blk_integrity_rq(rq)) + if (blk_integrity_merge_bio(rq->q, rq, bio) == false) return false; /* must be using the same buffer */ |