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bdev/nvme: Rename connected_trid to active_path_id

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This is the currently active path identifier in a failover scenario. The
path is defined by more than just the transport identifier, so fix the
name.

Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Change-Id: I682c6f4c54f75307e2615bf80e70358180d99fe2
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9576
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Ben Walker 2021-09-21 12:17:12 -07:00 committed by Tomasz Zawadzki
parent 0262859f3c
commit 7d28aae7fb
4 changed files with 23 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
module/bdev/nvme/bdev_nvme.c
View File

@ -251,7 +251,7 @@ nvme_bdev_ctrlr_get_ctrlr(struct nvme_bdev_ctrlr *nbdev_ctrlr,
struct nvme_ctrlr *nvme_ctrlr;
TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
if (spdk_nvme_transport_id_compare(trid, &nvme_ctrlr->connected_trid->trid) == 0) {
if (spdk_nvme_transport_id_compare(trid, &nvme_ctrlr->active_path_id->trid) == 0) {
break;
}
}
@ -859,7 +859,7 @@ bdev_nvme_reset_complete(struct nvme_ctrlr *nvme_ctrlr, int rc)
path_id = TAILQ_FIRST(&nvme_ctrlr->trids);
assert(path_id != NULL);
assert(path_id == nvme_ctrlr->connected_trid);
assert(path_id == nvme_ctrlr->active_path_id);
path_id->is_failed = rc != 0 ? true : false;
@ -1057,7 +1057,7 @@ bdev_nvme_failover_start(struct nvme_ctrlr *nvme_ctrlr, bool remove)
path_id = TAILQ_FIRST(&nvme_ctrlr->trids);
assert(path_id);
assert(path_id == nvme_ctrlr->connected_trid);
assert(path_id == nvme_ctrlr->active_path_id);
next_path = TAILQ_NEXT(path_id, link);
if (nvme_ctrlr->resetting) {
@ -1082,7 +1082,7 @@ bdev_nvme_failover_start(struct nvme_ctrlr *nvme_ctrlr, bool remove)
nvme_ctrlr->failover_in_progress = true;
spdk_nvme_ctrlr_fail(nvme_ctrlr->ctrlr);
nvme_ctrlr->connected_trid = next_path;
nvme_ctrlr->active_path_id = next_path;
rc = spdk_nvme_ctrlr_set_trid(nvme_ctrlr->ctrlr, &next_path->trid);
assert(rc == 0);
TAILQ_REMOVE(&nvme_ctrlr->trids, path_id, link);
@ -1985,7 +1985,7 @@ timeout_cb(void *cb_arg, struct spdk_nvme_ctrlr *ctrlr,
* would submit another fabrics cmd on the admin queue to read CSTS and check for its
* completion recursively.
*/
if (nvme_ctrlr->connected_trid->trid.trtype == SPDK_NVME_TRANSPORT_PCIE || qpair != NULL) {
if (nvme_ctrlr->active_path_id->trid.trtype == SPDK_NVME_TRANSPORT_PCIE || qpair != NULL) {
csts = spdk_nvme_ctrlr_get_regs_csts(ctrlr);
if (csts.bits.cfs) {
SPDK_ERRLOG("Controller Fatal Status, reset required\n");
@ -2550,7 +2550,7 @@ nvme_ctrlr_create(struct spdk_nvme_ctrlr *ctrlr,
}
path_id->trid = *trid;
nvme_ctrlr->connected_trid = path_id;
nvme_ctrlr->active_path_id = path_id;
TAILQ_INSERT_HEAD(&nvme_ctrlr->trids, path_id, link);
nvme_ctrlr->thread = spdk_get_thread();
@ -2662,13 +2662,13 @@ _bdev_nvme_delete(struct nvme_ctrlr *nvme_ctrlr, bool hotplug)
}
if (!hotplug &&
nvme_ctrlr->connected_trid->trid.trtype == SPDK_NVME_TRANSPORT_PCIE) {
nvme_ctrlr->active_path_id->trid.trtype == SPDK_NVME_TRANSPORT_PCIE) {
entry = calloc(1, sizeof(*entry));
if (!entry) {
pthread_mutex_unlock(&nvme_ctrlr->mutex);
return -ENOMEM;
}
entry->trid = nvme_ctrlr->connected_trid->trid;
entry->trid = nvme_ctrlr->active_path_id->trid;
TAILQ_INSERT_TAIL(&g_skipped_nvme_ctrlrs, entry, tailq);
}
@ -2862,12 +2862,12 @@ bdev_nvme_compare_trids(struct nvme_ctrlr *nvme_ctrlr,
}
/* Currently we only support failover to the same transport type. */
if (nvme_ctrlr->connected_trid->trid.trtype != trid->trtype) {
if (nvme_ctrlr->active_path_id->trid.trtype != trid->trtype) {
return -EINVAL;
}
/* Currently we only support failover to the same NQN. */
if (strncmp(trid->subnqn, nvme_ctrlr->connected_trid->trid.subnqn, SPDK_NVMF_NQN_MAX_LEN)) {
if (strncmp(trid->subnqn, nvme_ctrlr->active_path_id->trid.subnqn, SPDK_NVMF_NQN_MAX_LEN)) {
return -EINVAL;
}
@ -3113,7 +3113,7 @@ bdev_nvme_delete_secondary_trid(struct nvme_ctrlr *nvme_ctrlr,
{
struct nvme_path_id *path_id, *tmp_path;
if (!spdk_nvme_transport_id_compare(trid, &nvme_ctrlr->connected_trid->trid)) {
if (!spdk_nvme_transport_id_compare(trid, &nvme_ctrlr->active_path_id->trid)) {
return -EBUSY;
}
@ -3189,7 +3189,7 @@ bdev_nvme_delete(const char *name, const struct spdk_nvme_transport_id *trid)
}
/* If we made it here, then this path is a match! Now we need to remove it. */
if (path_id == nvme_ctrlr->connected_trid) {
if (path_id == nvme_ctrlr->active_path_id) {
/* This is the active path in use right now. The active path is always the first in the list. */
if (!TAILQ_NEXT(path_id, link)) {
@ -4216,7 +4216,7 @@ nvme_ctrlr_config_json(struct spdk_json_write_ctx *w,
{
struct spdk_nvme_transport_id *trid;
trid = &nvme_ctrlr->connected_trid->trid;
trid = &nvme_ctrlr->active_path_id->trid;
spdk_json_write_object_begin(w);

2
module/bdev/nvme/bdev_nvme.h
View File

@ -94,7 +94,7 @@ struct nvme_ctrlr {
* target for CONTROLLER IDENTIFY command during initialization
*/
struct spdk_nvme_ctrlr *ctrlr;
struct nvme_path_id *connected_trid;
struct nvme_path_id *active_path_id;
int ref;
bool resetting;
bool failover_in_progress;

2
module/bdev/nvme/bdev_nvme_rpc.c
View File

@ -494,7 +494,7 @@ rpc_dump_nvme_controller_info(struct nvme_ctrlr *nvme_ctrlr, void *ctx)
struct spdk_nvme_transport_id *trid;
const struct spdk_nvme_ctrlr_opts *opts;
trid = &nvme_ctrlr->connected_trid->trid;
trid = &nvme_ctrlr->active_path_id->trid;
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "name", nvme_ctrlr->nbdev_ctrlr->name);

16
test/unit/lib/bdev/nvme/bdev_nvme.c/bdev_nvme_ut.c
View File

@ -1479,7 +1479,7 @@ test_failover_ctrlr(void)
curr_trid = TAILQ_FIRST(&nvme_ctrlr->trids);
SPDK_CU_ASSERT_FATAL(curr_trid != NULL);
CU_ASSERT(curr_trid == nvme_ctrlr->connected_trid);
CU_ASSERT(curr_trid == nvme_ctrlr->active_path_id);
CU_ASSERT(spdk_nvme_transport_id_compare(&curr_trid->trid, &trid1) == 0);
/* Failover starts from thread 1. */
@ -1510,7 +1510,7 @@ test_failover_ctrlr(void)
next_trid = TAILQ_FIRST(&nvme_ctrlr->trids);
SPDK_CU_ASSERT_FATAL(next_trid != NULL);
CU_ASSERT(next_trid != curr_trid);
CU_ASSERT(next_trid == nvme_ctrlr->connected_trid);
CU_ASSERT(next_trid == nvme_ctrlr->active_path_id);
CU_ASSERT(spdk_nvme_transport_id_compare(&next_trid->trid, &trid2) == 0);
poll_threads();
@ -2132,7 +2132,7 @@ test_add_remove_trid(void)
nvme_ctrlr = nvme_ctrlr_get_by_name("nvme0");
SPDK_CU_ASSERT_FATAL(nvme_ctrlr != NULL);
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->connected_trid->trid, &trid1) == 0);
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->active_path_id->trid, &trid1) == 0);
ctrlr2 = ut_attach_ctrlr(&trid2, 0, false, false);
SPDK_CU_ASSERT_FATAL(ctrlr2 != NULL);
@ -2144,7 +2144,7 @@ test_add_remove_trid(void)
spdk_delay_us(1000);
poll_threads();
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->connected_trid->trid, &trid1) == 0);
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->active_path_id->trid, &trid1) == 0);
TAILQ_FOREACH(ctrid, &nvme_ctrlr->trids, link) {
if (spdk_nvme_transport_id_compare(&ctrid->trid, &trid2) == 0) {
break;
@ -2174,7 +2174,7 @@ test_add_remove_trid(void)
spdk_delay_us(1000);
poll_threads();
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->connected_trid->trid, &trid1) == 0);
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->active_path_id->trid, &trid1) == 0);
TAILQ_FOREACH(ctrid, &nvme_ctrlr->trids, link) {
if (spdk_nvme_transport_id_compare(&ctrid->trid, &trid3) == 0) {
break;
@ -2192,7 +2192,7 @@ test_add_remove_trid(void)
TAILQ_FOREACH(ctrid, &nvme_ctrlr->trids, link) {
CU_ASSERT(spdk_nvme_transport_id_compare(&ctrid->trid, &trid1) != 0);
}
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->connected_trid->trid, &trid3) == 0);
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->active_path_id->trid, &trid3) == 0);
poll_threads();
@ -2224,7 +2224,7 @@ test_add_remove_trid(void)
nvme_ctrlr = nvme_ctrlr_get_by_name("nvme0");
SPDK_CU_ASSERT_FATAL(nvme_ctrlr != NULL);
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->connected_trid->trid, &trid1) == 0);
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->active_path_id->trid, &trid1) == 0);
ctrlr2 = ut_attach_ctrlr(&trid2, 0, false, false);
SPDK_CU_ASSERT_FATAL(ctrlr2 != NULL);
@ -2236,7 +2236,7 @@ test_add_remove_trid(void)
spdk_delay_us(1000);
poll_threads();
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->connected_trid->trid, &trid1) == 0);
CU_ASSERT(spdk_nvme_transport_id_compare(&nvme_ctrlr->active_path_id->trid, &trid1) == 0);
TAILQ_FOREACH(ctrid, &nvme_ctrlr->trids, link) {
if (spdk_nvme_transport_id_compare(&ctrid->trid, &trid2) == 0) {
break;