diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 4 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_req.c | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 37dad18..c706d50 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1132,9 +1132,9 @@ void drbd_reconsider_max_bio_size(struct drbd_conf *mdev) /* We may ignore peer limits if the peer is modern enough. Because new from 8.3.8 onwards the peer can use multiple BIOs for a single peer_request */ - if (mdev->state.conn >= C_CONNECTED) { + if (mdev->state.conn >= C_WF_REPORT_PARAMS) { if (mdev->tconn->agreed_pro_version < 94) - peer = min( mdev->peer_max_bio_size, DRBD_MAX_SIZE_H80_PACKET); + peer = min(mdev->peer_max_bio_size, DRBD_MAX_SIZE_H80_PACKET); /* Correct old drbd (up to 8.3.7) if it believes it can do more than 32KiB */ else if (mdev->tconn->agreed_pro_version == 94) peer = DRBD_MAX_SIZE_H80_PACKET; diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index c24379f..fec7bef 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -1306,6 +1306,7 @@ int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct int backing_limit; if (bio_size && get_ldev(mdev)) { + unsigned int max_hw_sectors = queue_max_hw_sectors(q); struct request_queue * const b = mdev->ldev->backing_bdev->bd_disk->queue; if (b->merge_bvec_fn) { @@ -1313,6 +1314,8 @@ int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct limit = min(limit, backing_limit); } put_ldev(mdev); + if ((limit >> 9) > max_hw_sectors) + limit = max_hw_sectors << 9; } return limit; } |
