ivampiresp/Spdk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nvmf: add qpair->connect_received

Browse Source 
Currently we use qpair->ctrlr at qpair destroy
time to decide if we need to decrement the
qpair's poll group's qpair count.  But this is
not correct - these counters get incremented
when the CONNECT is received, but qpair->ctrlr
doesn't get set until later.

So add a new connect_received bool to the spdk_nvmf_qpair.
Use this instead to determine when we should decrement
the poll group qpair counters.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I174a0fda36c4558171953bf58f2f5117bc074f76
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15692
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
This commit is contained in:
Jim Harris 2022-11-24 20:04:53 +00:00 committed by Konrad Sztyber
parent 478c0fa852
commit f3e197ff18
3 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/spdk/nvmf_transport.h
View File

@ -123,6 +123,7 @@ struct spdk_nvmf_qpair {
uint16_t qid;
uint16_t sq_head;
uint16_t sq_head_max;
bool connect_received;
bool disconnect_started;
struct spdk_nvmf_request *first_fused_req;

1
lib/nvmf/ctrlr.c
View File

@ -727,6 +727,7 @@ _nvmf_ctrlr_connect(struct spdk_nvmf_request *req)
qpair->sq_head_max = cmd->sqsize;
qpair->qid = cmd->qid;
qpair->connect_received = true;
if (0 == qpair->qid) {
qpair->group->stat.admin_qpairs++;

4
lib/nvmf/nvmf.c
View File

@ -1046,7 +1046,7 @@ _nvmf_qpair_destroy(void *ctx, int status)
assert(qpair->state == SPDK_NVMF_QPAIR_DEACTIVATING);
qpair_ctx->qid = qpair->qid;
if (ctrlr) {
if (qpair->connect_received) {
if (0 == qpair->qid) {
assert(qpair->group->stat.current_admin_qpairs > 0);
qpair->group->stat.current_admin_qpairs--;
@ -1054,7 +1054,9 @@ _nvmf_qpair_destroy(void *ctx, int status)
assert(qpair->group->stat.current_io_qpairs > 0);
qpair->group->stat.current_io_qpairs--;
}
}
if (ctrlr) {
sgroup = &qpair->group->sgroups[ctrlr->subsys->id];
TAILQ_FOREACH_SAFE(req, &sgroup->queued, link, tmp) {
if (req->qpair == qpair) {