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path: root/drivers/nvme/host/fabrics.c
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Diffstat (limited to 'drivers/nvme/host/fabrics.c')
-rw-r--r--drivers/nvme/host/fabrics.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 555c976cc2ee..76b4fe6816a0 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -548,6 +548,7 @@ static const match_table_t opt_tokens = {
{ NVMF_OPT_HOSTNQN, "hostnqn=%s" },
{ NVMF_OPT_HOST_TRADDR, "host_traddr=%s" },
{ NVMF_OPT_HOST_ID, "hostid=%s" },
+ { NVMF_OPT_DUP_CONNECT, "duplicate_connect" },
{ NVMF_OPT_ERR, NULL }
};
@@ -566,6 +567,7 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
opts->nr_io_queues = num_online_cpus();
opts->reconnect_delay = NVMF_DEF_RECONNECT_DELAY;
opts->kato = NVME_DEFAULT_KATO;
+ opts->duplicate_connect = false;
options = o = kstrdup(buf, GFP_KERNEL);
if (!options)
@@ -742,6 +744,9 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
goto out;
}
break;
+ case NVMF_OPT_DUP_CONNECT:
+ opts->duplicate_connect = true;
+ break;
default:
pr_warn("unknown parameter or missing value '%s' in ctrl creation request\n",
p);
@@ -823,7 +828,7 @@ EXPORT_SYMBOL_GPL(nvmf_free_options);
#define NVMF_REQUIRED_OPTS (NVMF_OPT_TRANSPORT | NVMF_OPT_NQN)
#define NVMF_ALLOWED_OPTS (NVMF_OPT_QUEUE_SIZE | NVMF_OPT_NR_IO_QUEUES | \
NVMF_OPT_KATO | NVMF_OPT_HOSTNQN | \
- NVMF_OPT_HOST_ID)
+ NVMF_OPT_HOST_ID | NVMF_OPT_DUP_CONNECT)
static struct nvme_ctrl *
nvmf_create_ctrl(struct device *dev, const char *buf, size_t count)
@@ -841,6 +846,9 @@ nvmf_create_ctrl(struct device *dev, const char *buf, size_t count)
if (ret)
goto out_free_opts;
+
+ request_module("nvme-%s", opts->transport);
+
/*
* Check the generic options first as we need a valid transport for
* the lookup below. Then clear the generic flags so that transport
@@ -874,12 +882,12 @@ nvmf_create_ctrl(struct device *dev, const char *buf, size_t count)
goto out_unlock;
}
- if (strcmp(ctrl->subnqn, opts->subsysnqn)) {
+ if (strcmp(ctrl->subsys->subnqn, opts->subsysnqn)) {
dev_warn(ctrl->device,
"controller returned incorrect NQN: \"%s\".\n",
- ctrl->subnqn);
+ ctrl->subsys->subnqn);
up_read(&nvmf_transports_rwsem);
- ctrl->ops->delete_ctrl(ctrl);
+ nvme_delete_ctrl_sync(ctrl);
return ERR_PTR(-EINVAL);
}