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bdev/nvme: don't allow duplicate discovery service names

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Otherwise, we'll try to use the same name to create the bdevs.

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I38cfb9073f343a7bf3966754008065c7ab89e609
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12626
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
This commit is contained in:
Konrad Sztyber 2022-05-11 11:45:08 +02:00 committed by Tomasz Zawadzki
parent 90aba31ac3
commit 33c14a1445
2 changed files with 18 additions and 0 deletions
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6
module/bdev/nvme/bdev_nvme.c
View File

@ -5170,6 +5170,12 @@ bdev_nvme_start_discovery(struct spdk_nvme_transport_id *trid,
struct discovery_ctx *ctx;
struct discovery_entry_ctx *discovery_entry_ctx;
TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
if (strcmp(ctx->name, base_name) == 0) {
return -EEXIST;
}
}
ctx = calloc(1, sizeof(*ctx));
if (ctx == NULL) {
return -ENOMEM;

12
test/nvmf/host/discovery.sh
View File

@ -62,6 +62,10 @@ function get_subsystem_paths() {
$rpc_py -s $HOST_SOCK bdev_nvme_get_controllers -n $1 | jq -r '.[].ctrlrs[].trid.trsvcid' | sort -n | xargs
}
function get_discovery_ctrlrs() {
$rpc_py -s $HOST_SOCK bdev_nvme_get_discovery_info | jq -r '.[].name' | sort | xargs
}
# Note that tests need to call get_notification_count and then check $notification_count,
# because if we use $(get_notification_count), the notify_id gets updated in the subshell.
notify_id=0
@ -133,6 +137,14 @@ sleep 1 # Wait a bit to make sure the discovery service has a chance to detect t
get_notification_count
[[ $notification_count == 2 ]]
# Make sure that it's not possible to start two discovery services with the same name
$rpc_py -s $HOST_SOCK bdev_nvme_start_discovery -b nvme -t $TEST_TRANSPORT \
-a $NVMF_FIRST_TARGET_IP -s $DISCOVERY_PORT -f ipv4 -q $HOST_NQN -w
NOT $rpc_py -s $HOST_SOCK bdev_nvme_start_discovery -b nvme -t $TEST_TRANSPORT \
-a $NVMF_FIRST_TARGET_IP -s $DISCOVERY_PORT -f ipv4 -q $HOST_NQN -w
[[ $(get_discovery_ctrlrs) == "nvme" ]]
[[ $(get_bdev_list) == "nvme0n1 nvme0n2" ]]
trap - SIGINT SIGTERM EXIT
kill $hostpid