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nvmf: don't implicitly create the transport in tgt listen.

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In order to prepare for multiple transports, the nvmf tgt should never
implicitly create a transport when listen is called.

Change-Id: If1286e7e3f7bce422a4acd66390852736113df7a
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/430160
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Seth Howell 2018-10-19 10:21:06 -07:00 committed by Ben Walker
parent 28f26abfa7
commit 7f128c757b
1 changed files with 10 additions and 23 deletions
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33
lib/nvmf/nvmf.c
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@ -506,29 +506,20 @@ spdk_nvmf_tgt_listen(struct spdk_nvmf_tgt *tgt,
void *cb_arg) void *cb_arg)
{ {
struct spdk_nvmf_transport *transport; struct spdk_nvmf_transport *transport;
const char *trtype;
int rc; int rc;
bool propagate = false;
transport = spdk_nvmf_tgt_get_transport(tgt, trid->trtype); transport = spdk_nvmf_tgt_get_transport(tgt, trid->trtype);
if (!transport) { if (!transport) {
struct spdk_nvmf_transport_opts opts; trtype = spdk_nvme_transport_id_trtype_str(trid->trtype);
if (trtype != NULL) {
opts.max_queue_depth = tgt->opts.max_queue_depth; SPDK_ERRLOG("Unable to listen on transport %s. The transport must be created first.\n", trtype);
opts.max_qpairs_per_ctrlr = tgt->opts.max_qpairs_per_ctrlr; } else {
opts.in_capsule_data_size = tgt->opts.in_capsule_data_size; SPDK_ERRLOG("The specified trtype %d is unknown. Please make sure that it is properly registered.\n",
opts.max_io_size = tgt->opts.max_io_size; trid->trtype);
opts.io_unit_size = tgt->opts.io_unit_size;
/* use max_queue depth since tgt. opts. doesn't have max_aq_depth */
opts.max_aq_depth = tgt->opts.max_queue_depth;
transport = spdk_nvmf_transport_create(trid->trtype, &opts);
if (!transport) {
SPDK_ERRLOG("Transport initialization failed\n");
cb_fn(cb_arg, -EINVAL);
return;
} }
cb_fn(cb_arg, -EINVAL);
propagate = true; return;
} }
rc = spdk_nvmf_transport_listen(transport, trid); rc = spdk_nvmf_transport_listen(transport, trid);
@ -540,11 +531,7 @@ spdk_nvmf_tgt_listen(struct spdk_nvmf_tgt *tgt,
tgt->discovery_genctr++; tgt->discovery_genctr++;
if (propagate) { cb_fn(cb_arg, 0);
spdk_nvmf_tgt_add_transport(tgt, transport, cb_fn, cb_arg);
} else {
cb_fn(cb_arg, 0);
}
} }
struct spdk_nvmf_tgt_add_transport_ctx { struct spdk_nvmf_tgt_add_transport_ctx {