Commit be299bf5 authored by buzagg's avatar buzagg Committed by Jim Harris
Browse files

bdev_nvme: Support multipath across all discovery contexts. 



This is required when volume is attached via different storage boxes
for example while migrating it.

Signed-off-by: default avatarGili Buzaglo <gili.buzaglo@kioxia.com>
Change-Id: I680c781ae5de078972d6aef547804d60fff3c643
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16407


Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@nvidia.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent cb2f0a2c

module/bdev/nvme/bdev_nvme.c

+11 −5
Original line number Diff line number Diff line
@@ -5696,14 +5696,20 @@ discovery_log_page_cb(void *cb_arg, int rc, const struct spdk_nvme_cpl *cpl, 
			}

		}

		if (!found) {

			struct discovery_entry_ctx *subnqn_ctx, *new_ctx;

			struct discovery_entry_ctx *subnqn_ctx = NULL, *new_ctx;

			struct discovery_ctx *d_ctx;



			TAILQ_FOREACH(subnqn_ctx, &ctx->nvm_entry_ctxs, tailq) {

			TAILQ_FOREACH(d_ctx, &g_discovery_ctxs, tailq) {

				TAILQ_FOREACH(subnqn_ctx, &d_ctx->nvm_entry_ctxs, tailq) {

					if (!memcmp(subnqn_ctx->entry.subnqn, new_entry->subnqn,

						    sizeof(new_entry->subnqn))) {

						break;

					}

				}

				if (subnqn_ctx) {

					break;

				}

			}



			new_ctx = calloc(1, sizeof(*new_ctx));

			if (new_ctx == NULL) {