diff options
Diffstat (limited to 'block/blk-merge.c')
| -rw-r--r-- | block/blk-merge.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index 7b0af8317c1c..2306014c108d 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -867,9 +867,11 @@ static struct request *attempt_merge(struct request_queue *q, if (rq_data_dir(req) != rq_data_dir(next)) return NULL; - /* Don't merge requests with different write hints. */ - if (req->write_hint != next->write_hint) - return NULL; + if (req->bio && next->bio) { + /* Don't merge requests with different write hints. */ + if (req->bio->bi_write_hint != next->bio->bi_write_hint) + return NULL; + } if (req->ioprio != next->ioprio) return NULL; @@ -1001,9 +1003,11 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) if (!bio_crypt_rq_ctx_compatible(rq, bio)) return false; - /* Don't merge requests with different write hints. */ - if (rq->write_hint != bio->bi_write_hint) - return false; + if (rq->bio) { + /* Don't merge requests with different write hints. */ + if (rq->bio->bi_write_hint != bio->bi_write_hint) + return false; + } if (rq->ioprio != bio_prio(bio)) return false; |