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-rw-r--r--drivers/nvme/host/Kconfig3
-rw-r--r--drivers/nvme/host/core.c7
-rw-r--r--drivers/nvme/host/fabrics.c5
-rw-r--r--drivers/nvme/host/fc.c37
-rw-r--r--drivers/nvme/host/multipath.c55
-rw-r--r--drivers/nvme/host/nvme.h8
-rw-r--r--drivers/nvme/host/rdma.c5
-rw-r--r--drivers/nvme/host/tcp.c5
-rw-r--r--drivers/nvme/target/admin-cmd.c7
-rw-r--r--drivers/nvme/target/core.c50
-rw-r--r--drivers/nvme/target/discovery.c2
-rw-r--r--drivers/nvme/target/fabrics-cmd.c6
-rw-r--r--drivers/nvme/target/io-cmd-bdev.c2
-rw-r--r--drivers/nvme/target/io-cmd-file.c8
-rw-r--r--drivers/nvme/target/loop.c15
-rw-r--r--drivers/nvme/target/nvmet.h8
-rw-r--r--drivers/nvme/target/passthru.c2
-rw-r--r--drivers/nvme/target/rdma.c4
-rw-r--r--drivers/nvme/target/tcp.c2
19 files changed, 144 insertions, 87 deletions
diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig
index a44d49d63968..494675aeaaad 100644
--- a/drivers/nvme/host/Kconfig
+++ b/drivers/nvme/host/Kconfig
@@ -71,7 +71,8 @@ config NVME_FC
config NVME_TCP
tristate "NVM Express over Fabrics TCP host driver"
depends on INET
- depends on BLK_DEV_NVME
+ depends on BLOCK
+ select NVME_CORE
select NVME_FABRICS
select CRYPTO
select CRYPTO_CRC32C
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 522c9b229f80..66973bb56305 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2901,7 +2901,7 @@ static int nvme_init_identify(struct nvme_ctrl *ctrl)
ctrl->hmmaxd = le16_to_cpu(id->hmmaxd);
}
- ret = nvme_mpath_init(ctrl, id);
+ ret = nvme_mpath_init_identify(ctrl, id);
if (ret < 0)
goto out_free;
@@ -3485,8 +3485,10 @@ int nvme_cdev_add(struct cdev *cdev, struct device *cdev_device,
cdev_init(cdev, fops);
cdev->owner = owner;
ret = cdev_device_add(cdev, cdev_device);
- if (ret)
+ if (ret) {
+ put_device(cdev_device);
ida_simple_remove(&nvme_ns_chr_minor_ida, minor);
+ }
return ret;
}
@@ -4364,6 +4366,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
min(default_ps_max_latency_us, (unsigned long)S32_MAX));
nvme_fault_inject_init(&ctrl->fault_inject, dev_name(ctrl->device));
+ nvme_mpath_init_ctrl(ctrl);
return 0;
out_free_name:
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index a2bb7fc63a73..34a84d2086c7 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -336,6 +336,11 @@ static void nvmf_log_connect_error(struct nvme_ctrl *ctrl,
cmd->connect.recfmt);
break;
+ case NVME_SC_HOST_PATH_ERROR:
+ dev_err(ctrl->device,
+ "Connect command failed: host path error\n");
+ break;
+
default:
dev_err(ctrl->device,
"Connect command failed, error wo/DNR bit: %d\n",
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index d9ab9e7871d0..f183f9fa03d0 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2461,6 +2461,18 @@ nvme_fc_terminate_exchange(struct request *req, void *data, bool reserved)
static void
__nvme_fc_abort_outstanding_ios(struct nvme_fc_ctrl *ctrl, bool start_queues)
{
+ int q;
+
+ /*
+ * if aborting io, the queues are no longer good, mark them
+ * all as not live.
+ */
+ if (ctrl->ctrl.queue_count > 1) {
+ for (q = 1; q < ctrl->ctrl.queue_count; q++)
+ clear_bit(NVME_FC_Q_LIVE, &ctrl->queues[q].flags);
+ }
+ clear_bit(NVME_FC_Q_LIVE, &ctrl->queues[0].flags);
+
/*
* If io queues are present, stop them and terminate all outstanding
* ios on them. As FC allocates FC exchange for each io, the
@@ -3095,6 +3107,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
if (ctrl->ctrl.icdoff) {
dev_err(ctrl->ctrl.device, "icdoff %d is not supported!\n",
ctrl->ctrl.icdoff);
+ ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto out_disconnect_admin_queue;
}
@@ -3102,6 +3115,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
if (!(ctrl->ctrl.sgls & ((1 << 0) | (1 << 1)))) {
dev_err(ctrl->ctrl.device,
"Mandatory sgls are not supported!\n");
+ ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto out_disconnect_admin_queue;
}
@@ -3268,11 +3282,13 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
if (ctrl->ctrl.state != NVME_CTRL_CONNECTING)
return;
- if (portptr->port_state == FC_OBJSTATE_ONLINE)
+ if (portptr->port_state == FC_OBJSTATE_ONLINE) {
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: reset: Reconnect attempt failed (%d)\n",
ctrl->cnum, status);
- else if (time_after_eq(jiffies, rport->dev_loss_end))
+ if (status > 0 && (status & NVME_SC_DNR))
+ recon = false;
+ } else if (time_after_eq(jiffies, rport->dev_loss_end))
recon = false;
if (recon && nvmf_should_reconnect(&ctrl->ctrl)) {
@@ -3286,12 +3302,17 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
queue_delayed_work(nvme_wq, &ctrl->connect_work, recon_delay);
} else {
- if (portptr->port_state == FC_OBJSTATE_ONLINE)
- dev_warn(ctrl->ctrl.device,
- "NVME-FC{%d}: Max reconnect attempts (%d) "
- "reached.\n",
- ctrl->cnum, ctrl->ctrl.nr_reconnects);
- else
+ if (portptr->port_state == FC_OBJSTATE_ONLINE) {
+ if (status > 0 && (status & NVME_SC_DNR))
+ dev_warn(ctrl->ctrl.device,
+ "NVME-FC{%d}: reconnect failure\n",
+ ctrl->cnum);
+ else
+ dev_warn(ctrl->ctrl.device,
+ "NVME-FC{%d}: Max reconnect attempts "
+ "(%d) reached.\n",
+ ctrl->cnum, ctrl->ctrl.nr_reconnects);
+ } else
dev_warn(ctrl->ctrl.device,
"NVME-FC{%d}: dev_loss_tmo (%d) expired "
"while waiting for remoteport connectivity.\n",
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 0551796517e6..f81871c7128a 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -781,9 +781,18 @@ void nvme_mpath_remove_disk(struct nvme_ns_head *head)
put_disk(head->disk);
}
-int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
+void nvme_mpath_init_ctrl(struct nvme_ctrl *ctrl)
{
- int error;
+ mutex_init(&ctrl->ana_lock);
+ timer_setup(&ctrl->anatt_timer, nvme_anatt_timeout, 0);
+ INIT_WORK(&ctrl->ana_work, nvme_ana_work);
+}
+
+int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
+{
+ size_t max_transfer_size = ctrl->max_hw_sectors << SECTOR_SHIFT;
+ size_t ana_log_size;
+ int error = 0;
/* check if multipath is enabled and we have the capability */
if (!multipath || !ctrl->subsys ||
@@ -795,37 +804,31 @@ int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
ctrl->nanagrpid = le32_to_cpu(id->nanagrpid);
ctrl->anagrpmax = le32_to_cpu(id->anagrpmax);
- mutex_init(&ctrl->ana_lock);
- timer_setup(&ctrl->anatt_timer, nvme_anatt_timeout, 0);
- ctrl->ana_log_size = sizeof(struct nvme_ana_rsp_hdr) +
- ctrl->nanagrpid * sizeof(struct nvme_ana_group_desc);
- ctrl->ana_log_size += ctrl->max_namespaces * sizeof(__le32);
-
- if (ctrl->ana_log_size > ctrl->max_hw_sectors << SECTOR_SHIFT) {
+ ana_log_size = sizeof(struct nvme_ana_rsp_hdr) +
+ ctrl->nanagrpid * sizeof(struct nvme_ana_group_desc) +
+ ctrl->max_namespaces * sizeof(__le32);
+ if (ana_log_size > max_transfer_size) {
dev_err(ctrl->device,
- "ANA log page size (%zd) larger than MDTS (%d).\n",
- ctrl->ana_log_size,
- ctrl->max_hw_sectors << SECTOR_SHIFT);
+ "ANA log page size (%zd) larger than MDTS (%zd).\n",
+ ana_log_size, max_transfer_size);
dev_err(ctrl->device, "disabling ANA support.\n");
- return 0;
+ goto out_uninit;
}
-
- INIT_WORK(&ctrl->ana_work, nvme_ana_work);
- kfree(ctrl->ana_log_buf);
- ctrl->ana_log_buf = kmalloc(ctrl->ana_log_size, GFP_KERNEL);
- if (!ctrl->ana_log_buf) {
- error = -ENOMEM;
- goto out;
+ if (ana_log_size > ctrl->ana_log_size) {
+ nvme_mpath_stop(ctrl);
+ kfree(ctrl->ana_log_buf);
+ ctrl->ana_log_buf = kmalloc(ana_log_size, GFP_KERNEL);
+ if (!ctrl->ana_log_buf)
+ return -ENOMEM;
}
-
+ ctrl->ana_log_size = ana_log_size;
error = nvme_read_ana_log(ctrl);
if (error)
- goto out_free_ana_log_buf;
+ goto out_uninit;
return 0;
-out_free_ana_log_buf:
- kfree(ctrl->ana_log_buf);
- ctrl->ana_log_buf = NULL;
-out:
+
+out_uninit:
+ nvme_mpath_uninit(ctrl);
return error;
}
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 05f31a2c64bb..0015860ec12b 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -712,7 +712,8 @@ void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl);
int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head);
void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id);
void nvme_mpath_remove_disk(struct nvme_ns_head *head);
-int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id);
+int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id);
+void nvme_mpath_init_ctrl(struct nvme_ctrl *ctrl);
void nvme_mpath_uninit(struct nvme_ctrl *ctrl);
void nvme_mpath_stop(struct nvme_ctrl *ctrl);
bool nvme_mpath_clear_current_path(struct nvme_ns *ns);
@@ -780,7 +781,10 @@ static inline void nvme_mpath_check_last_path(struct nvme_ns *ns)
static inline void nvme_trace_bio_complete(struct request *req)
{
}
-static inline int nvme_mpath_init(struct nvme_ctrl *ctrl,
+static inline void nvme_mpath_init_ctrl(struct nvme_ctrl *ctrl)
+{
+}
+static inline int nvme_mpath_init_identify(struct nvme_ctrl *ctrl,
struct nvme_id_ctrl *id)
{
if (ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA)
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 37943dc4c2c1..4697a94c0945 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1320,16 +1320,17 @@ static int nvme_rdma_map_sg_inline(struct nvme_rdma_queue *queue,
int count)
{
struct nvme_sgl_desc *sg = &c->common.dptr.sgl;
- struct scatterlist *sgl = req->data_sgl.sg_table.sgl;
struct ib_sge *sge = &req->sge[1];
+ struct scatterlist *sgl;
u32 len = 0;
int i;
- for (i = 0; i < count; i++, sgl++, sge++) {
+ for_each_sg(req->data_sgl.sg_table.sgl, sgl, count, i) {
sge->addr = sg_dma_address(sgl);
sge->length = sg_dma_len(sgl);
sge->lkey = queue->device->pd->local_dma_lkey;
len += sge->length;
+ sge++;
}
sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff);
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 0222e23f5936..34f4b3402f7c 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -943,7 +943,6 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
if (ret <= 0)
return ret;
- nvme_tcp_advance_req(req, ret);
if (queue->data_digest)
nvme_tcp_ddgst_update(queue->snd_hash, page,
offset, ret);
@@ -960,6 +959,7 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
}
return 1;
}
+ nvme_tcp_advance_req(req, ret);
}
return -EAGAIN;
}
@@ -1140,7 +1140,8 @@ static void nvme_tcp_io_work(struct work_struct *w)
pending = true;
else if (unlikely(result < 0))
break;
- }
+ } else
+ pending = !llist_empty(&queue->req_list);
result = nvme_tcp_try_recv(queue);
if (result > 0)
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index e7a367cf6d36..dcd49a72f2f3 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -975,10 +975,7 @@ u16 nvmet_parse_admin_cmd(struct nvmet_req *req)
case nvme_admin_keep_alive:
req->execute = nvmet_execute_keep_alive;
return 0;
+ default:
+ return nvmet_report_invalid_opcode(req);
}
-
- pr_debug("unhandled cmd %d on qid %d\n", cmd->common.opcode,
- req->sq->qid);
- req->error_loc = offsetof(struct nvme_common_command, opcode);
- return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
}
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 25cc2ee8de3f..b20b8d0a1144 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -388,10 +388,10 @@ static void nvmet_keep_alive_timer(struct work_struct *work)
{
struct nvmet_ctrl *ctrl = container_of(to_delayed_work(work),
struct nvmet_ctrl, ka_work);
- bool cmd_seen = ctrl->cmd_seen;
+ bool reset_tbkas = ctrl->reset_tbkas;
- ctrl->cmd_seen = false;
- if (cmd_seen) {
+ ctrl->reset_tbkas = false;
+ if (reset_tbkas) {
pr_debug("ctrl %d reschedule traffic based keep-alive timer\n",
ctrl->cntlid);
schedule_delayed_work(&ctrl->ka_work, ctrl->kato * HZ);
@@ -804,6 +804,13 @@ void nvmet_sq_destroy(struct nvmet_sq *sq)
percpu_ref_exit(&sq->ref);
if (ctrl) {
+ /*
+ * The teardown flow may take some time, and the host may not
+ * send us keep-alive during this period, hence reset the
+ * traffic based keep-alive timer so we don't trigger a
+ * controller teardown as a result of a keep-alive expiration.
+ */
+ ctrl->reset_tbkas = true;
nvmet_ctrl_put(ctrl);
sq->ctrl = NULL; /* allows reusing the queue later */
}
@@ -952,7 +959,7 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
}
if (sq->ctrl)
- sq->ctrl->cmd_seen = true;
+ sq->ctrl->reset_tbkas = true;
return true;
@@ -998,19 +1005,23 @@ static unsigned int nvmet_data_transfer_len(struct nvmet_req *req)
return req->transfer_len - req->metadata_len;
}
-static int nvmet_req_alloc_p2pmem_sgls(struct nvmet_req *req)
+static int nvmet_req_alloc_p2pmem_sgls(struct pci_dev *p2p_dev,
+ struct nvmet_req *req)
{
- req->sg = pci_p2pmem_alloc_sgl(req->p2p_dev, &req->sg_cnt,
+ req->sg = pci_p2pmem_alloc_sgl(p2p_dev, &req->sg_cnt,
nvmet_data_transfer_len(req));
if (!req->sg)
goto out_err;
if (req->metadata_len) {
- req->metadata_sg = pci_p2pmem_alloc_sgl(req->p2p_dev,
+ req->metadata_sg = pci_p2pmem_alloc_sgl(p2p_dev,
&req->metadata_sg_cnt, req->metadata_len);
if (!req->metadata_sg)
goto out_free_sg;
}
+
+ req->p2p_dev = p2p_dev;
+
return 0;
out_free_sg:
pci_p2pmem_free_sgl(req->p2p_dev, req->sg);
@@ -1018,25 +1029,19 @@ out_err:
return -ENOMEM;
}
-static bool nvmet_req_find_p2p_dev(struct nvmet_req *req)
+static struct pci_dev *nvmet_req_find_p2p_dev(struct nvmet_req *req)
{
- if (!IS_ENABLED(CONFIG_PCI_P2PDMA))
- return false;
-
- if (req->sq->ctrl && req->sq->qid && req->ns) {
- req->p2p_dev = radix_tree_lookup(&req->sq->ctrl->p2p_ns_map,
- req->ns->nsid);
- if (req->p2p_dev)
- return true;
- }
-
- req->p2p_dev = NULL;
- return false;
+ if (!IS_ENABLED(CONFIG_PCI_P2PDMA) ||
+ !req->sq->ctrl || !req->sq->qid || !req->ns)
+ return NULL;
+ return radix_tree_lookup(&req->sq->ctrl->p2p_ns_map, req->ns->nsid);
}
int nvmet_req_alloc_sgls(struct nvmet_req *req)
{
- if (nvmet_req_find_p2p_dev(req) && !nvmet_req_alloc_p2pmem_sgls(req))
+ struct pci_dev *p2p_dev = nvmet_req_find_p2p_dev(req);
+
+ if (p2p_dev && !nvmet_req_alloc_p2pmem_sgls(p2p_dev, req))
return 0;
req->sg = sgl_alloc(nvmet_data_transfer_len(req), GFP_KERNEL,
@@ -1065,6 +1070,7 @@ void nvmet_req_free_sgls(struct nvmet_req *req)
pci_p2pmem_free_sgl(req->p2p_dev, req->sg);
if (req->metadata_sg)
pci_p2pmem_free_sgl(req->p2p_dev, req->metadata_sg);
+ req->p2p_dev = NULL;
} else {
sgl_free(req->sg);
if (req->metadata_sg)
@@ -1372,7 +1378,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
goto out_free_changed_ns_list;
if (subsys->cntlid_min > subsys->cntlid_max)
- goto out_free_changed_ns_list;
+ goto out_free_sqs;
ret = ida_simple_get(&cntlid_ida,
subsys->cntlid_min, subsys->cntlid_max,
diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index 4845d12e374a..fc3645fc2c24 100644
--- a/drivers/nvme/target/discovery.c
+++ b/drivers/nvme/target/discovery.c
@@ -379,7 +379,7 @@ u16 nvmet_parse_discovery_cmd(struct nvmet_req *req)
req->execute = nvmet_execute_disc_identify;
return 0;
default:
- pr_err("unhandled cmd %d\n", cmd->common.opcode);
+ pr_debug("unhandled cmd %d\n", cmd->common.opcode);
req->error_loc = offsetof(struct nvme_common_command, opcode);
return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
}
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index 1420a8e3e0b1..7d0f3523fdab 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -94,7 +94,7 @@ u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req)
req->execute = nvmet_execute_prop_get;
break;
default:
- pr_err("received unknown capsule type 0x%x\n",
+ pr_debug("received unknown capsule type 0x%x\n",
cmd->fabrics.fctype);
req->error_loc = offsetof(struct nvmf_common_command, fctype);
return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
@@ -284,13 +284,13 @@ u16 nvmet_parse_connect_cmd(struct nvmet_req *req)
struct nvme_command *cmd = req->cmd;
if (!nvme_is_fabrics(cmd)) {
- pr_err("invalid command 0x%x on unconnected queue.\n",
+ pr_debug("invalid command 0x%x on unconnected queue.\n",
cmd->fabrics.opcode);
req->error_loc = offsetof(struct nvme_common_command, opcode);
return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
}
if (cmd->fabrics.fctype != nvme_fabrics_type_connect) {
- pr_err("invalid capsule type 0x%x on unconnected queue.\n",
+ pr_debug("invalid capsule type 0x%x on unconnected queue.\n",
cmd->fabrics.fctype);
req->error_loc = offsetof(struct nvmf_common_command, fctype);
return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index 9a8b3726a37c..429263ca9b97 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -258,7 +258,7 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req)
sector = nvmet_lba_to_sect(req->ns, req->cmd->rw.slba);
- if (req->transfer_len <= NVMET_MAX_INLINE_DATA_LEN) {
+ if (nvmet_use_inline_bvec(req)) {
bio = &req->b.inline_bio;
bio_init(bio, req->inline_bvec, ARRAY_SIZE(req->inline_bvec));
} else {
diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c
index 715d4376c997..7fdbdc496597 100644
--- a/drivers/nvme/target/io-cmd-file.c
+++ b/drivers/nvme/target/io-cmd-file.c
@@ -49,9 +49,11 @@ int nvmet_file_ns_enable(struct nvmet_ns *ns)
ns->file = filp_open(ns->device_path, flags, 0);
if (IS_ERR(ns->file)) {
- pr_err("failed to open file %s: (%ld)\n",
- ns->device_path, PTR_ERR(ns->file));
- return PTR_ERR(ns->file);
+ ret = PTR_ERR(ns->file);
+ pr_err("failed to open file %s: (%d)\n",
+ ns->device_path, ret);
+ ns->file = NULL;
+ return ret;
}
ret = nvmet_file_ns_revalidate(ns);
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index 74b3b150e1a5..a5c4a1865026 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -263,7 +263,8 @@ static const struct blk_mq_ops nvme_loop_admin_mq_ops = {
static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl)
{
- clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);
+ if (!test_and_clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags))
+ return;
nvmet_sq_destroy(&ctrl->queues[0].nvme_sq);
blk_cleanup_queue(ctrl->ctrl.admin_q);
blk_cleanup_queue(ctrl->ctrl.fabrics_q);
@@ -299,6 +300,7 @@ static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl)
clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags);
nvmet_sq_destroy(&ctrl->queues[i].nvme_sq);
}
+ ctrl->ctrl.queue_count = 1;
}
static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl)
@@ -405,6 +407,7 @@ static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl)
return 0;
out_cleanup_queue:
+ clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);
blk_cleanup_queue(ctrl->ctrl.admin_q);
out_cleanup_fabrics_q:
blk_cleanup_queue(ctrl->ctrl.fabrics_q);
@@ -462,8 +465,10 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work)
nvme_loop_shutdown_ctrl(ctrl);
if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) {
- /* state change failure should never happen */
- WARN_ON_ONCE(1);
+ if (ctrl->ctrl.state != NVME_CTRL_DELETING &&
+ ctrl->ctrl.state != NVME_CTRL_DELETING_NOIO)
+ /* state change failure for non-deleted ctrl? */
+ WARN_ON_ONCE(1);
return;
}
@@ -590,8 +595,10 @@ static struct nvme_ctrl *nvme_loop_create_ctrl(struct device *dev,
ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_loop_ctrl_ops,
0 /* no quirks, we're perfect! */);
- if (ret)
+ if (ret) {
+ kfree(ctrl);
goto out;
+ }
if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING))
WARN_ON_ONCE(1);
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index 5566ed403576..53aea9a8056e 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -167,7 +167,7 @@ struct nvmet_ctrl {
struct nvmet_subsys *subsys;
struct nvmet_sq **sqs;
- bool cmd_seen;
+ bool reset_tbkas;
struct mutex lock;
u64 cap;
@@ -616,4 +616,10 @@ static inline sector_t nvmet_lba_to_sect(struct nvmet_ns *ns, __le64 lba)
return le64_to_cpu(lba) << (ns->blksize_shift - SECTOR_SHIFT);
}
+static inline bool nvmet_use_inline_bvec(struct nvmet_req *req)
+{
+ return req->transfer_len <= NVMET_MAX_INLINE_DATA_LEN &&
+ req->sg_cnt <= NVMET_MAX_INLINE_BIOVEC;
+}
+
#endif /* _NVMET_H */
diff --git a/drivers/nvme/target/passthru.c b/drivers/nvme/target/passthru.c
index 2798944899b7..39b1473f7204 100644
--- a/drivers/nvme/target/passthru.c
+++ b/drivers/nvme/target/passthru.c
@@ -194,7 +194,7 @@ static int nvmet_passthru_map_sg(struct nvmet_req *req, struct request *rq)
if (req->sg_cnt > BIO_MAX_VECS)
return -EINVAL;
- if (req->transfer_len <= NVMET_MAX_INLINE_DATA_LEN) {
+ if (nvmet_use_inline_bvec(req)) {
bio = &req->p.inline_bio;
bio_init(bio, req->inline_bvec, ARRAY_SIZE(req->inline_bvec));
} else {
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 6c1f3ab7649c..7d607f435e36 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -700,7 +700,7 @@ static void nvmet_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc)
{
struct nvmet_rdma_rsp *rsp =
container_of(wc->wr_cqe, struct nvmet_rdma_rsp, send_cqe);
- struct nvmet_rdma_queue *queue = cq->cq_context;
+ struct nvmet_rdma_queue *queue = wc->qp->qp_context;
nvmet_rdma_release_rsp(rsp);
@@ -786,7 +786,7 @@ static void nvmet_rdma_write_data_done(struct ib_cq *cq, struct ib_wc *wc)
{
struct nvmet_rdma_rsp *rsp =
container_of(wc->wr_cqe, struct nvmet_rdma_rsp, write_cqe);
- struct nvmet_rdma_queue *queue = cq->cq_context;
+ struct nvmet_rdma_queue *queue = wc->qp->qp_context;
struct rdma_cm_id *cm_id = rsp->queue->cm_id;
u16 status;
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index f9f34f6caf5e..d8aceef83284 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -550,7 +550,7 @@ static void nvmet_tcp_queue_response(struct nvmet_req *req)
* nvmet_req_init is completed.
*/
if (queue->rcv_state == NVMET_TCP_RECV_PDU &&
- len && len < cmd->req.port->inline_data_size &&
+ len && len <= cmd->req.port->inline_data_size &&
nvme_is_write(cmd->req.cmd))
return;
}