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nvmf/rdma: Combine spdk_nvmf_rdma_qp_drained and spdk_nvmf_rdma_recover

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recover was only called by drained, and they're relatively small

Change-Id: I65002cfe13d0045a37609be5b85be087402b4a65
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/421043
Reviewed-by: Seth Howell <seth.howell5141@gmail.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Ben Walker 2018-08-01 16:15:36 -07:00 committed by Jim Harris
parent 12444f400d
commit 65a512c6cd
1 changed files with 39 additions and 48 deletions
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85
lib/nvmf/rdma.c
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@ -1918,12 +1918,45 @@ _spdk_nvmf_rdma_qpair_process_pending(void *arg)
spdk_nvmf_rdma_qpair_process_pending(rtransport, rqpair);
}
static int
spdk_nvmf_rdma_recover(struct spdk_nvmf_rdma_qpair *rqpair)
static void
spdk_nvmf_rdma_drain_state_queue(struct spdk_nvmf_rdma_qpair *rqpair,
enum spdk_nvmf_rdma_request_state state)
{
struct spdk_nvmf_rdma_request *rdma_req, *req_tmp;
struct spdk_nvmf_rdma_transport *rtransport;
TAILQ_FOREACH_SAFE(rdma_req, &rqpair->state_queue[state], state_link, req_tmp) {
rtransport = SPDK_CONTAINEROF(rdma_req->req.qpair->transport,
struct spdk_nvmf_rdma_transport, transport);
spdk_nvmf_rdma_request_set_state(rdma_req, RDMA_REQUEST_STATE_COMPLETED);
spdk_nvmf_rdma_request_process(rtransport, rdma_req);
}
}
static void
spdk_nvmf_rdma_qp_drained(struct spdk_nvmf_rdma_qpair *rqpair)
{
int recovered;
enum ibv_qp_state state, next_state;
SPDK_NOTICELOG("IBV QP#%u drained\n", rqpair->qpair.qid);
if (!spdk_nvmf_rdma_qpair_is_idle(&rqpair->qpair)) {
/* There must be outstanding requests down to media.
* If so, wait till they're complete.
*/
assert(!TAILQ_EMPTY(&rqpair->qpair.outstanding));
SPDK_DEBUGLOG(SPDK_LOG_RDMA,
"QP#%u (%p): wait for outstanding requests...\n",
rqpair->qpair.qid, &rqpair->qpair);
return;
}
if (rqpair->qpair.state != SPDK_NVMF_QPAIR_ERROR) {
/* Do not start recovery if qp is not in error state. */
return;
}
state = spdk_nvmf_rdma_get_ibv_state(rqpair);
next_state = state;
@ -1935,7 +1968,8 @@ spdk_nvmf_rdma_recover(struct spdk_nvmf_rdma_qpair *rqpair)
SPDK_ERRLOG("Can't recover IBV qp#%u from the state: %s\n",
rqpair->qpair.qid,
str_ibv_qp_state[state]);
return -1;
spdk_nvmf_qpair_disconnect(&rqpair->qpair, NULL, NULL);
return;
}
rqpair->qpair.state = SPDK_NVMF_QPAIR_INACTIVE;
@ -1977,56 +2011,13 @@ spdk_nvmf_rdma_recover(struct spdk_nvmf_rdma_qpair *rqpair)
rqpair->qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
spdk_thread_send_msg(rqpair->qpair.group->thread, _spdk_nvmf_rdma_qpair_process_pending, rqpair);
return 0;
return;
error:
SPDK_ERRLOG("IBV qp#%u recovery failed\n", rqpair->qpair.qid);
/* Put NVMf qpair back into error state so recovery
will trigger disconnect */
rqpair->qpair.state = SPDK_NVMF_QPAIR_ERROR;
return -1;
}
static void
spdk_nvmf_rdma_drain_state_queue(struct spdk_nvmf_rdma_qpair *rqpair,
enum spdk_nvmf_rdma_request_state state)
{
struct spdk_nvmf_rdma_request *rdma_req, *req_tmp;
struct spdk_nvmf_rdma_transport *rtransport;
TAILQ_FOREACH_SAFE(rdma_req, &rqpair->state_queue[state], state_link, req_tmp) {
rtransport = SPDK_CONTAINEROF(rdma_req->req.qpair->transport,
struct spdk_nvmf_rdma_transport, transport);
spdk_nvmf_rdma_request_set_state(rdma_req, RDMA_REQUEST_STATE_COMPLETED);
spdk_nvmf_rdma_request_process(rtransport, rdma_req);
}
}
static void
spdk_nvmf_rdma_qp_drained(struct spdk_nvmf_rdma_qpair *rqpair)
{
SPDK_NOTICELOG("IBV QP#%u drained\n", rqpair->qpair.qid);
if (!spdk_nvmf_rdma_qpair_is_idle(&rqpair->qpair)) {
/* There must be outstanding requests down to media.
* If so, wait till they're complete.
*/
assert(!TAILQ_EMPTY(&rqpair->qpair.outstanding));
SPDK_DEBUGLOG(SPDK_LOG_RDMA,
"QP#%u (%p): wait for outstanding requests...\n",
rqpair->qpair.qid, &rqpair->qpair);
return;
}
if (rqpair->qpair.state != SPDK_NVMF_QPAIR_ERROR) {
/* Do not start recovery if qp is not in error state. */
return;
}
if (spdk_nvmf_rdma_recover(rqpair) != 0) {
SPDK_NOTICELOG("QP#%u (%p): recovery failed, disconnecting...\n",
rqpair->qpair.qid, &rqpair->qpair);
spdk_nvmf_qpair_disconnect(&rqpair->qpair, NULL, NULL);
}
}
static void