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-rw-r--r--drivers/block/drbd/drbd_int.h1
-rw-r--r--drivers/block/nbd.c13
-rw-r--r--drivers/block/pktcdvd.c2
-rw-r--r--drivers/block/rnbd/rnbd-srv.c11
4 files changed, 21 insertions, 6 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index d2937bca1fe4..2a05d955e30b 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -860,7 +860,6 @@ struct drbd_device {
struct list_head read_ee; /* [RS]P_DATA_REQUEST being read */
struct list_head net_ee; /* zero-copy network send in progress */
- int next_barrier_nr;
struct list_head resync_reads;
atomic_t pp_in_use; /* allocated from page pool */
atomic_t pp_in_use_by_net; /* sendpage()d, still referenced by tcp */
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 5b1811b1ba5f..4d06472bf112 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -181,6 +181,17 @@ static void nbd_requeue_cmd(struct nbd_cmd *cmd)
{
struct request *req = blk_mq_rq_from_pdu(cmd);
+ lockdep_assert_held(&cmd->lock);
+
+ /*
+ * Clear INFLIGHT flag so that this cmd won't be completed in
+ * normal completion path
+ *
+ * INFLIGHT flag will be set when the cmd is queued to nbd next
+ * time.
+ */
+ __clear_bit(NBD_CMD_INFLIGHT, &cmd->flags);
+
if (!test_and_set_bit(NBD_CMD_REQUEUED, &cmd->flags))
blk_mq_requeue_request(req, true);
}
@@ -491,8 +502,8 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req)
nbd_mark_nsock_dead(nbd, nsock, 1);
mutex_unlock(&nsock->tx_lock);
}
- mutex_unlock(&cmd->lock);
nbd_requeue_cmd(cmd);
+ mutex_unlock(&cmd->lock);
nbd_config_put(nbd);
return BLK_EH_DONE;
}
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 7cece5884b9c..3edb37a41312 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -498,8 +498,6 @@ static void pkt_debugfs_dev_new(struct pktcdvd_device *pd)
if (!pkt_debugfs_root)
return;
pd->dfs_d_root = debugfs_create_dir(pd->disk->disk_name, pkt_debugfs_root);
- if (!pd->dfs_d_root)
- return;
pd->dfs_f_info = debugfs_create_file("info", 0444, pd->dfs_d_root,
pd, &pkt_seq_fops);
diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index f6e3a3c4b76c..08ce6d96d04c 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c
@@ -149,15 +149,22 @@ static int process_rdma(struct rnbd_srv_session *srv_sess,
rnbd_to_bio_flags(le32_to_cpu(msg->rw)), GFP_KERNEL);
if (bio_add_page(bio, virt_to_page(data), datalen,
offset_in_page(data)) != datalen) {
- rnbd_srv_err(sess_dev, "Failed to map data to bio\n");
+ rnbd_srv_err_rl(sess_dev, "Failed to map data to bio\n");
err = -EINVAL;
goto bio_put;
}
+ bio->bi_opf = rnbd_to_bio_flags(le32_to_cpu(msg->rw));
+ if (bio_has_data(bio) &&
+ bio->bi_iter.bi_size != le32_to_cpu(msg->bi_size)) {
+ rnbd_srv_err_rl(sess_dev, "Datalen mismatch: bio bi_size (%u), bi_size (%u)\n",
+ bio->bi_iter.bi_size, msg->bi_size);
+ err = -EINVAL;
+ goto bio_put;
+ }
bio->bi_end_io = rnbd_dev_bi_end_io;
bio->bi_private = priv;
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);