diff options
Diffstat (limited to 'drivers/block/rnbd/rnbd-srv.c')
| -rw-r--r-- | drivers/block/rnbd/rnbd-srv.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index 86e61523907b..0fb94843a495 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -124,6 +124,9 @@ static int process_rdma(struct rtrs_srv *sess, struct rnbd_srv_sess_dev *sess_dev; u32 dev_id; int err; + struct rnbd_dev_blk_io *io; + struct bio *bio; + short prio; priv = kmalloc(sizeof(*priv), GFP_KERNEL); if (!priv) @@ -142,18 +145,29 @@ static int process_rdma(struct rtrs_srv *sess, priv->sess_dev = sess_dev; priv->id = id; - err = rnbd_dev_submit_io(sess_dev->rnbd_dev, le64_to_cpu(msg->sector), - data, datalen, le32_to_cpu(msg->bi_size), - le32_to_cpu(msg->rw), - srv_sess->ver < RNBD_PROTO_VER_MAJOR || - usrlen < sizeof(*msg) ? - 0 : le16_to_cpu(msg->prio), priv); - if (unlikely(err)) { - rnbd_srv_err(sess_dev, "Submitting I/O to device failed, err: %d\n", - err); + /* Generate bio with pages pointing to the rdma buffer */ + bio = rnbd_bio_map_kern(data, sess_dev->rnbd_dev->ibd_bio_set, datalen, GFP_KERNEL); + if (IS_ERR(bio)) { + rnbd_srv_err(sess_dev, "Failed to generate bio, err: %ld\n", PTR_ERR(bio)); goto sess_dev_put; } + io = container_of(bio, struct rnbd_dev_blk_io, bio); + io->dev = sess_dev->rnbd_dev; + io->priv = priv; + + bio->bi_end_io = rnbd_dev_bi_end_io; + bio->bi_private = io; + bio->bi_opf = rnbd_to_bio_flags(le32_to_cpu(msg->rw)); + bio->bi_iter.bi_sector = le64_to_cpu(msg->sector); + bio->bi_iter.bi_size = le32_to_cpu(msg->bi_size); + prio = srv_sess->ver < RNBD_PROTO_VER_MAJOR || + usrlen < sizeof(*msg) ? 0 : le16_to_cpu(msg->prio); + bio_set_prio(bio, prio); + bio_set_dev(bio, sess_dev->rnbd_dev->bdev); + + submit_bio(bio); + return 0; sess_dev_put: |