diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 3 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 6 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_req.c | 2 |
3 files changed, 6 insertions, 5 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 28ef76b..f20336b 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -704,9 +704,6 @@ void drbd_setup_queue_param(struct drbd_conf *mdev, unsigned int max_seg_s) __mu struct request_queue * const b = mdev->ldev->backing_bdev->bd_disk->queue; int max_segments = mdev->ldev->dc.max_bio_bvecs; - if (b->merge_bvec_fn && !mdev->ldev->dc.use_bmbv) - max_seg_s = PAGE_SIZE; - max_seg_s = min(queue_max_sectors(b) * queue_logical_block_size(b), max_seg_s); blk_queue_max_hw_sectors(q, max_seg_s >> 9); diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 388a3e8..a04ec01 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -3011,7 +3011,11 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h) ldsc = 1; } - max_seg_s = be32_to_cpu(p->max_segment_size); + if (mdev->agreed_pro_version < 94) + max_seg_s = be32_to_cpu(p->max_segment_size); + else /* drbd 8.3.8 onwards */ + max_seg_s = DRBD_MAX_SEGMENT_SIZE; + if (max_seg_s != queue_max_segment_size(mdev->rq_queue)) drbd_setup_queue_param(mdev, max_seg_s); diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index d8d9bbf..343e0e6 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -1110,7 +1110,7 @@ int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct } else if (limit && get_ldev(mdev)) { struct request_queue * const b = mdev->ldev->backing_bdev->bd_disk->queue; - if (b->merge_bvec_fn && mdev->ldev->dc.use_bmbv) { + if (b->merge_bvec_fn) { backing_limit = b->merge_bvec_fn(b, bvm, bvec); limit = min(limit, backing_limit); } |