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path: root/drivers/infiniband
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-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index e7fa8b680cb6..4e22afef7206 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -471,14 +471,26 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd,
471 scmnd->sc_data_direction); 471 scmnd->sc_data_direction);
472} 472}
473 473
474static void srp_remove_req(struct srp_target_port *target, struct srp_request *req)
475{
476 srp_unmap_data(req->scmnd, target, req);
477 list_move_tail(&req->list, &target->free_reqs);
478}
479
480static void srp_reset_req(struct srp_target_port *target, struct srp_request *req)
481{
482 req->scmnd->result = DID_RESET << 16;
483 req->scmnd->scsi_done(req->scmnd);
484 srp_remove_req(target, req);
485}
486
474static int srp_reconnect_target(struct srp_target_port *target) 487static int srp_reconnect_target(struct srp_target_port *target)
475{ 488{
476 struct ib_cm_id *new_cm_id; 489 struct ib_cm_id *new_cm_id;
477 struct ib_qp_attr qp_attr; 490 struct ib_qp_attr qp_attr;
478 struct srp_request *req; 491 struct srp_request *req, *tmp;
479 struct ib_wc wc; 492 struct ib_wc wc;
480 int ret; 493 int ret;
481 int i;
482 494
483 spin_lock_irq(target->scsi_host->host_lock); 495 spin_lock_irq(target->scsi_host->host_lock);
484 if (target->state != SRP_TARGET_LIVE) { 496 if (target->state != SRP_TARGET_LIVE) {
@@ -514,19 +526,12 @@ static int srp_reconnect_target(struct srp_target_port *target)
514 while (ib_poll_cq(target->cq, 1, &wc) > 0) 526 while (ib_poll_cq(target->cq, 1, &wc) > 0)
515 ; /* nothing */ 527 ; /* nothing */
516 528
517 list_for_each_entry(req, &target->req_queue, list) { 529 list_for_each_entry_safe(req, tmp, &target->req_queue, list)
518 req->scmnd->result = DID_RESET << 16; 530 srp_reset_req(target, req);
519 req->scmnd->scsi_done(req->scmnd);
520 srp_unmap_data(req->scmnd, target, req);
521 }
522 531
523 target->rx_head = 0; 532 target->rx_head = 0;
524 target->tx_head = 0; 533 target->tx_head = 0;
525 target->tx_tail = 0; 534 target->tx_tail = 0;
526 INIT_LIST_HEAD(&target->free_reqs);
527 INIT_LIST_HEAD(&target->req_queue);
528 for (i = 0; i < SRP_SQ_SIZE; ++i)
529 list_add_tail(&target->req_ring[i].list, &target->free_reqs);
530 535
531 ret = srp_connect_target(target); 536 ret = srp_connect_target(target);
532 if (ret) 537 if (ret)
@@ -726,12 +731,6 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target,
726 return len; 731 return len;
727} 732}
728 733
729static void srp_remove_req(struct srp_target_port *target, struct srp_request *req)
730{
731 srp_unmap_data(req->scmnd, target, req);
732 list_move_tail(&req->list, &target->free_reqs);
733}
734
735static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) 734static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
736{ 735{
737 struct srp_request *req; 736 struct srp_request *req;
@@ -1348,11 +1347,8 @@ static int srp_reset_device(struct scsi_cmnd *scmnd)
1348 spin_lock_irq(target->scsi_host->host_lock); 1347 spin_lock_irq(target->scsi_host->host_lock);
1349 1348
1350 list_for_each_entry_safe(req, tmp, &target->req_queue, list) 1349 list_for_each_entry_safe(req, tmp, &target->req_queue, list)
1351 if (req->scmnd->device == scmnd->device) { 1350 if (req->scmnd->device == scmnd->device)
1352 req->scmnd->result = DID_RESET << 16; 1351 srp_reset_req(target, req);
1353 req->scmnd->scsi_done(req->scmnd);
1354 srp_remove_req(target, req);
1355 }
1356 1352
1357 spin_unlock_irq(target->scsi_host->host_lock); 1353 spin_unlock_irq(target->scsi_host->host_lock);
1358 1354