Merge tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:

 - MD changes via Song:
        - raid5 POWER fix
        - raid1 failure fix
        - UAF fix for md cluster
        - mddev_find_or_alloc() clean up
        - Fix NULL pointer deref with external bitmap
        - Performance improvement for raid10 discard requests
        - Fix missing information of /proc/mdstat

 - rsxx const qualifier removal (Arnd)

 - Expose allocated brd pages (Calvin)

 - rnbd via Gioh Kim:
        - Change maintainer
        - Change domain address of maintainers' email
        - Add polling IO mode and document update
        - Fix memory leak and some bug detected by static code analysis
          tools
        - Code refactoring

 - Series of floppy cleanups/fixes (Denis)

 - s390 dasd fixes (Julian)

 - kerneldoc fixes (Lee)

 - null_blk double free (Lv)

 - null_blk virtual boundary addition (Max)

 - Remove xsysace driver (Michal)

 - umem driver removal (Davidlohr)

 - ataflop fixes (Dan)

 - Revalidate disk removal (Christoph)

 - Bounce buffer cleanups (Christoph)

 - Mark lightnvm as deprecated (Christoph)

 - mtip32xx init cleanups (Shixin)

 - Various fixes (Tian, Gustavo, Coly, Yang, Zhang, Zhiqiang)

* tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-block: (143 commits)
  async_xor: increase src_offs when dropping destination page
  drivers/block/null_blk/main: Fix a double free in null_init.
  md/raid1: properly indicate failure when ending a failed write request
  md-cluster: fix use-after-free issue when removing rdev
  nvme: introduce generic per-namespace chardev
  nvme: cleanup nvme_configure_apst
  nvme: do not try to reconfigure APST when the controller is not live
  nvme: add 'kato' sysfs attribute
  nvme: sanitize KATO setting
  nvmet: avoid queuing keep-alive timer if it is disabled
  brd: expose number of allocated pages in debugfs
  ataflop: fix off by one in ataflop_probe()
  ataflop: potential out of bounds in do_format()
  drbd: Fix fall-through warnings for Clang
  block/rnbd: Use strscpy instead of strlcpy
  block/rnbd-clt-sysfs: Remove copy buffer overlap in rnbd_clt_get_path_name
  block/rnbd-clt: Remove max_segment_size
  block/rnbd-clt: Generate kobject_uevent when the rnbd device state changes
  block/rnbd-srv: Remove unused arguments of rnbd_srv_rdma_ev
  Documentation/ABI/rnbd-clt: Add description for nr_poll_queues
  ...

1 files changed, 9 insertions, 5 deletions

diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 6ffa8de2a0d7..9b9b7be0f412 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -1708,7 +1708,7 @@ restart:
  *
  * If this routine returns error, the LLDD should abort the exchange.
  *
- * @remoteport: pointer to the (registered) remote port that the LS
+ * @portptr:    pointer to the (registered) remote port that the LS
  *              was received from. The remoteport is associated with
  *              a specific localport.
  * @lsrsp:      pointer to a nvmefc_ls_rsp response structure to be
@@ -2128,6 +2128,7 @@ nvme_fc_init_request(struct blk_mq_tag_set *set, struct request *rq,
 	op->op.fcp_req.first_sgl = op->sgl;
 	op->op.fcp_req.private = &op->priv[0];
 	nvme_req(rq)->ctrl = &ctrl->ctrl;
+	nvme_req(rq)->cmd = &op->op.cmd_iu.sqe;
 	return res;
 }
 
@@ -2759,8 +2760,6 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx,
 	struct nvme_fc_ctrl *ctrl = queue->ctrl;
 	struct request *rq = bd->rq;
 	struct nvme_fc_fcp_op *op = blk_mq_rq_to_pdu(rq);
-	struct nvme_fc_cmd_iu *cmdiu = &op->cmd_iu;
-	struct nvme_command *sqe = &cmdiu->sqe;
 	enum nvmefc_fcp_datadir	io_dir;
 	bool queue_ready = test_bit(NVME_FC_Q_LIVE, &queue->flags);
 	u32 data_len;
@@ -2770,7 +2769,7 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx,
 	    !nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready))
 		return nvmf_fail_nonready_command(&queue->ctrl->ctrl, rq);
 
-	ret = nvme_setup_cmd(ns, rq, sqe);
+	ret = nvme_setup_cmd(ns, rq);
 	if (ret)
 		return ret;
 
@@ -3086,7 +3085,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
 
 	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
 
-	ret = nvme_init_identify(&ctrl->ctrl);
+	ret = nvme_init_ctrl_finish(&ctrl->ctrl);
 	if (ret || test_bit(ASSOC_FAILED, &ctrl->flags))
 		goto out_disconnect_admin_queue;
 
@@ -3100,6 +3099,11 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
 	}
 
 	/* FC-NVME supports normal SGL Data Block Descriptors */
+	if (!(ctrl->ctrl.sgls & ((1 << 0) | (1 << 1)))) {
+		dev_err(ctrl->ctrl.device,
+			"Mandatory sgls are not supported!\n");
+		goto out_disconnect_admin_queue;
+	}
 
 	if (opts->queue_size > ctrl->ctrl.maxcmd) {
 		/* warn if maxcmd is lower than queue_size */