diff options
Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvfc.c')
-rw-r--r-- | drivers/scsi/ibmvscsi/ibmvfc.c | 295 |
1 files changed, 196 insertions, 99 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 4e0b7c8eb32..44f202f3310 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -121,6 +121,7 @@ static const struct { { IBMVFC_VIOS_FAILURE, IBMVFC_TRANS_CANCELLED, DID_ABORT, 0, 1, "transaction cancelled" }, { IBMVFC_VIOS_FAILURE, IBMVFC_TRANS_CANCELLED_IMPLICIT, DID_ABORT, 0, 1, "transaction cancelled implicit" }, { IBMVFC_VIOS_FAILURE, IBMVFC_INSUFFICIENT_RESOURCE, DID_REQUEUE, 1, 1, "insufficient resources" }, + { IBMVFC_VIOS_FAILURE, IBMVFC_PLOGI_REQUIRED, DID_ERROR, 0, 1, "port login required" }, { IBMVFC_VIOS_FAILURE, IBMVFC_COMMAND_FAILED, DID_ERROR, 1, 1, "command failed" }, { IBMVFC_FC_FAILURE, IBMVFC_INVALID_ELS_CMD_CODE, DID_ERROR, 0, 1, "invalid ELS command code" }, @@ -278,13 +279,6 @@ static int ibmvfc_get_err_result(struct ibmvfc_cmd *vfc_cmd) rsp->data.info.rsp_code)) return DID_ERROR << 16; - if (!vfc_cmd->status) { - if (rsp->flags & FCP_RESID_OVER) - return rsp->scsi_status | (DID_ERROR << 16); - else - return rsp->scsi_status | (DID_OK << 16); - } - err = ibmvfc_get_err_index(vfc_cmd->status, vfc_cmd->error); if (err >= 0) return rsp->scsi_status | (cmd_status[err].result << 16); @@ -503,6 +497,7 @@ static void ibmvfc_set_host_action(struct ibmvfc_host *vhost, case IBMVFC_HOST_ACTION_INIT: case IBMVFC_HOST_ACTION_TGT_DEL: case IBMVFC_HOST_ACTION_QUERY_TGTS: + case IBMVFC_HOST_ACTION_TGT_DEL_FAILED: case IBMVFC_HOST_ACTION_TGT_ADD: case IBMVFC_HOST_ACTION_NONE: default: @@ -566,7 +561,7 @@ static void ibmvfc_init_host(struct ibmvfc_host *vhost, int relogin) struct ibmvfc_target *tgt; if (vhost->action == IBMVFC_HOST_ACTION_INIT_WAIT) { - if (++vhost->init_retries > IBMVFC_MAX_INIT_RETRIES) { + if (++vhost->init_retries > IBMVFC_MAX_HOST_INIT_RETRIES) { dev_err(vhost->dev, "Host initialization retries exceeded. Taking adapter offline\n"); ibmvfc_link_down(vhost, IBMVFC_HOST_OFFLINE); @@ -765,6 +760,9 @@ static void ibmvfc_scsi_eh_done(struct ibmvfc_event *evt) cmnd->scsi_done(cmnd); } + if (evt->eh_comp) + complete(evt->eh_comp); + ibmvfc_free_event(evt); } @@ -847,11 +845,12 @@ static void ibmvfc_reset_host(struct ibmvfc_host *vhost) static void ibmvfc_retry_host_init(struct ibmvfc_host *vhost) { if (vhost->action == IBMVFC_HOST_ACTION_INIT_WAIT) { - if (++vhost->init_retries > IBMVFC_MAX_INIT_RETRIES) { + vhost->delay_init = 1; + if (++vhost->init_retries > IBMVFC_MAX_HOST_INIT_RETRIES) { dev_err(vhost->dev, "Host initialization retries exceeded. Taking adapter offline\n"); ibmvfc_link_down(vhost, IBMVFC_HOST_OFFLINE); - } else if (vhost->init_retries == IBMVFC_MAX_INIT_RETRIES) + } else if (vhost->init_retries == IBMVFC_MAX_HOST_INIT_RETRIES) __ibmvfc_reset_host(vhost); else ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_INIT); @@ -1252,6 +1251,7 @@ static void ibmvfc_init_event(struct ibmvfc_event *evt, evt->sync_iu = NULL; evt->crq.format = format; evt->done = done; + evt->eh_comp = NULL; } /** @@ -1381,6 +1381,8 @@ static int ibmvfc_send_event(struct ibmvfc_event *evt, add_timer(&evt->timer); } + mb(); + if ((rc = ibmvfc_send_crq(vhost, crq_as_u64[0], crq_as_u64[1]))) { list_del(&evt->queue); del_timer(&evt->timer); @@ -1477,6 +1479,11 @@ static void ibmvfc_scsi_done(struct ibmvfc_event *evt) sense_len = SCSI_SENSE_BUFFERSIZE - rsp_len; if ((rsp->flags & FCP_SNS_LEN_VALID) && rsp->fcp_sense_len && rsp_len <= 8) memcpy(cmnd->sense_buffer, rsp->data.sense + rsp_len, sense_len); + if ((vfc_cmd->status & IBMVFC_VIOS_FAILURE) && (vfc_cmd->error == IBMVFC_PLOGI_REQUIRED)) + ibmvfc_reinit_host(evt->vhost); + + if (!cmnd->result && (!scsi_get_resid(cmnd) || (rsp->flags & FCP_RESID_OVER))) + cmnd->result = (DID_ERROR << 16); ibmvfc_log_error(evt); } @@ -1489,6 +1496,9 @@ static void ibmvfc_scsi_done(struct ibmvfc_event *evt) cmnd->scsi_done(cmnd); } + if (evt->eh_comp) + complete(evt->eh_comp); + ibmvfc_free_event(evt); } @@ -1627,7 +1637,7 @@ static int ibmvfc_reset_device(struct scsi_device *sdev, int type, char *desc) struct ibmvfc_host *vhost = shost_priv(sdev->host); struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); struct ibmvfc_cmd *tmf; - struct ibmvfc_event *evt; + struct ibmvfc_event *evt = NULL; union ibmvfc_iu rsp_iu; struct ibmvfc_fcp_rsp *fc_rsp = &rsp_iu.cmd.rsp; int rsp_rc = -EBUSY; @@ -1789,7 +1799,8 @@ static int ibmvfc_abort_task_set(struct scsi_device *sdev) static int ibmvfc_cancel_all(struct scsi_device *sdev, int type) { struct ibmvfc_host *vhost = shost_priv(sdev->host); - struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); + struct scsi_target *starget = scsi_target(sdev); + struct fc_rport *rport = starget_to_rport(starget); struct ibmvfc_tmf *tmf; struct ibmvfc_event *evt, *found_evt; union ibmvfc_iu rsp; @@ -1827,7 +1838,7 @@ static int ibmvfc_cancel_all(struct scsi_device *sdev, int type) int_to_scsilun(sdev->lun, &tmf->lun); tmf->flags = (type | IBMVFC_TMF_LUA_VALID); tmf->cancel_key = (unsigned long)sdev->hostdata; - tmf->my_cancel_key = (IBMVFC_TMF_CANCEL_KEY | (unsigned long)sdev->hostdata); + tmf->my_cancel_key = (unsigned long)starget->hostdata; evt->sync_iu = &rsp; init_completion(&evt->comp); @@ -1859,6 +1870,91 @@ static int ibmvfc_cancel_all(struct scsi_device *sdev, int type) } /** + * ibmvfc_match_target - Match function for specified target + * @evt: ibmvfc event struct + * @device: device to match (starget) + * + * Returns: + * 1 if event matches starget / 0 if event does not match starget + **/ +static int ibmvfc_match_target(struct ibmvfc_event *evt, void *device) +{ + if (evt->cmnd && scsi_target(evt->cmnd->device) == device) + return 1; + return 0; +} + +/** + * ibmvfc_match_lun - Match function for specified LUN + * @evt: ibmvfc event struct + * @device: device to match (sdev) + * + * Returns: + * 1 if event matches sdev / 0 if event does not match sdev + **/ +static int ibmvfc_match_lun(struct ibmvfc_event *evt, void *device) +{ + if (evt->cmnd && evt->cmnd->device == device) + return 1; + return 0; +} + +/** + * ibmvfc_wait_for_ops - Wait for ops to complete + * @vhost: ibmvfc host struct + * @device: device to match (starget or sdev) + * @match: match function + * + * Returns: + * SUCCESS / FAILED + **/ +static int ibmvfc_wait_for_ops(struct ibmvfc_host *vhost, void *device, + int (*match) (struct ibmvfc_event *, void *)) +{ + struct ibmvfc_event *evt; + DECLARE_COMPLETION_ONSTACK(comp); + int wait; + unsigned long flags; + signed long timeout = init_timeout * HZ; + + ENTER; + do { + wait = 0; + spin_lock_irqsave(vhost->host->host_lock, flags); + list_for_each_entry(evt, &vhost->sent, queue) { + if (match(evt, device)) { + evt->eh_comp = ∁ + wait++; + } + } + spin_unlock_irqrestore(vhost->host->host_lock, flags); + + if (wait) { + timeout = wait_for_completion_timeout(&comp, timeout); + + if (!timeout) { + wait = 0; + spin_lock_irqsave(vhost->host->host_lock, flags); + list_for_each_entry(evt, &vhost->sent, queue) { + if (match(evt, device)) { + evt->eh_comp = NULL; + wait++; + } + } + spin_unlock_irqrestore(vhost->host->host_lock, flags); + if (wait) + dev_err(vhost->dev, "Timed out waiting for aborted commands\n"); + LEAVE; + return wait ? FAILED : SUCCESS; + } + } + } while (wait); + + LEAVE; + return SUCCESS; +} + +/** * ibmvfc_eh_abort_handler - Abort a command * @cmd: scsi command to abort * @@ -1867,29 +1963,21 @@ static int ibmvfc_cancel_all(struct scsi_device *sdev, int type) **/ static int ibmvfc_eh_abort_handler(struct scsi_cmnd *cmd) { - struct ibmvfc_host *vhost = shost_priv(cmd->device->host); - struct ibmvfc_event *evt, *pos; + struct scsi_device *sdev = cmd->device; + struct ibmvfc_host *vhost = shost_priv(sdev->host); int cancel_rc, abort_rc; - unsigned long flags; + int rc = FAILED; ENTER; ibmvfc_wait_while_resetting(vhost); - cancel_rc = ibmvfc_cancel_all(cmd->device, IBMVFC_TMF_ABORT_TASK_SET); - abort_rc = ibmvfc_abort_task_set(cmd->device); + cancel_rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_ABORT_TASK_SET); + abort_rc = ibmvfc_abort_task_set(sdev); - if (!cancel_rc && !abort_rc) { - spin_lock_irqsave(vhost->host->host_lock, flags); - list_for_each_entry_safe(evt, pos, &vhost->sent, queue) { - if (evt->cmnd && evt->cmnd->device == cmd->device) - ibmvfc_fail_request(evt, DID_ABORT); - } - spin_unlock_irqrestore(vhost->host->host_lock, flags); - LEAVE; - return SUCCESS; - } + if (!cancel_rc && !abort_rc) + rc = ibmvfc_wait_for_ops(vhost, sdev, ibmvfc_match_lun); LEAVE; - return FAILED; + return rc; } /** @@ -1901,29 +1989,21 @@ static int ibmvfc_eh_abort_handler(struct scsi_cmnd *cmd) **/ static int ibmvfc_eh_device_reset_handler(struct scsi_cmnd *cmd) { - struct ibmvfc_host *vhost = shost_priv(cmd->device->host); - struct ibmvfc_event *evt, *pos; + struct scsi_device *sdev = cmd->device; + struct ibmvfc_host *vhost = shost_priv(sdev->host); int cancel_rc, reset_rc; - unsigned long flags; + int rc = FAILED; ENTER; ibmvfc_wait_while_resetting(vhost); - cancel_rc = ibmvfc_cancel_all(cmd->device, IBMVFC_TMF_LUN_RESET); - reset_rc = ibmvfc_reset_device(cmd->device, IBMVFC_LUN_RESET, "LUN"); + cancel_rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_LUN_RESET); + reset_rc = ibmvfc_reset_device(sdev, IBMVFC_LUN_RESET, "LUN"); - if (!cancel_rc && !reset_rc) { - spin_lock_irqsave(vhost->host->host_lock, flags); - list_for_each_entry_safe(evt, pos, &vhost->sent, queue) { - if (evt->cmnd && evt->cmnd->device == cmd->device) - ibmvfc_fail_request(evt, DID_ABORT); - } - spin_unlock_irqrestore(vhost->host->host_lock, flags); - LEAVE; - return SUCCESS; - } + if (!cancel_rc && !reset_rc) + rc = ibmvfc_wait_for_ops(vhost, sdev, ibmvfc_match_lun); LEAVE; - return FAILED; + return rc; } /** @@ -1959,31 +2039,23 @@ static void ibmvfc_dev_abort_all(struct scsi_device *sdev, void *data) **/ static int ibmvfc_eh_target_reset_handler(struct scsi_cmnd *cmd) { - struct ibmvfc_host *vhost = shost_priv(cmd->device->host); - struct scsi_target *starget = scsi_target(cmd->device); - struct ibmvfc_event *evt, *pos; + struct scsi_device *sdev = cmd->device; + struct ibmvfc_host *vhost = shost_priv(sdev->host); + struct scsi_target *starget = scsi_target(sdev); int reset_rc; + int rc = FAILED; unsigned long cancel_rc = 0; - unsigned long flags; ENTER; ibmvfc_wait_while_resetting(vhost); starget_for_each_device(starget, &cancel_rc, ibmvfc_dev_cancel_all); - reset_rc = ibmvfc_reset_device(cmd->device, IBMVFC_TARGET_RESET, "target"); + reset_rc = ibmvfc_reset_device(sdev, IBMVFC_TARGET_RESET, "target"); - if (!cancel_rc && !reset_rc) { - spin_lock_irqsave(vhost->host->host_lock, flags); - list_for_each_entry_safe(evt, pos, &vhost->sent, queue) { - if (evt->cmnd && scsi_target(evt->cmnd->device) == starget) - ibmvfc_fail_request(evt, DID_ABORT); - } - spin_unlock_irqrestore(vhost->host->host_lock, flags); - LEAVE; - return SUCCESS; - } + if (!cancel_rc && !reset_rc) + rc = ibmvfc_wait_for_ops(vhost, starget, ibmvfc_match_target); LEAVE; - return FAILED; + return rc; } /** @@ -2013,26 +2085,19 @@ static void ibmvfc_terminate_rport_io(struct fc_rport *rport) struct scsi_target *starget = to_scsi_target(&rport->dev); struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); struct ibmvfc_host *vhost = shost_priv(shost); - struct ibmvfc_event *evt, *pos; unsigned long cancel_rc = 0; unsigned long abort_rc = 0; - unsigned long flags; + int rc = FAILED; ENTER; starget_for_each_device(starget, &cancel_rc, ibmvfc_dev_cancel_all); starget_for_each_device(starget, &abort_rc, ibmvfc_dev_abort_all); - if (!cancel_rc && !abort_rc) { - spin_lock_irqsave(shost->host_lock, flags); - list_for_each_entry_safe(evt, pos, &vhost->sent, queue) { - if (evt->cmnd && scsi_target(evt->cmnd->device) == starget) - ibmvfc_fail_request(evt, DID_ABORT); - } - spin_unlock_irqrestore(shost->host_lock, flags); - } else - ibmvfc_issue_fc_host_lip(shost); + if (!cancel_rc && !abort_rc) + rc = ibmvfc_wait_for_ops(vhost, starget, ibmvfc_match_target); - scsi_target_unblock(&rport->dev); + if (rc == FAILED) + ibmvfc_issue_fc_host_lip(shost); LEAVE; } @@ -2091,15 +2156,17 @@ static void ibmvfc_handle_async(struct ibmvfc_async_crq *crq, case IBMVFC_AE_LINK_UP: case IBMVFC_AE_RESUME: vhost->events_to_log |= IBMVFC_AE_LINKUP; - ibmvfc_init_host(vhost, 1); + vhost->delay_init = 1; + __ibmvfc_reset_host(vhost); break; case IBMVFC_AE_SCN_FABRIC: + case IBMVFC_AE_SCN_DOMAIN: vhost->events_to_log |= IBMVFC_AE_RSCN; - ibmvfc_init_host(vhost, 1); + vhost->delay_init = 1; + __ibmvfc_reset_host(vhost); break; case IBMVFC_AE_SCN_NPORT: case IBMVFC_AE_SCN_GROUP: - case IBMVFC_AE_SCN_DOMAIN: vhost->events_to_log |= IBMVFC_AE_RSCN; case IBMVFC_AE_ELS_LOGO: case IBMVFC_AE_ELS_PRLO: @@ -2265,6 +2332,28 @@ static int ibmvfc_slave_alloc(struct scsi_device *sdev) } /** + * ibmvfc_target_alloc - Setup the target's task set value + * @starget: struct scsi_target + * + * Set the target's task set value so that error handling works as + * expected. + * + * Returns: + * 0 on success / -ENXIO if device does not exist + **/ +static int ibmvfc_target_alloc(struct scsi_target *starget) +{ + struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); + struct ibmvfc_host *vhost = shost_priv(shost); + unsigned long flags = 0; + + spin_lock_irqsave(shost->host_lock, flags); + starget->hostdata = (void *)(unsigned long)vhost->task_set++; + spin_unlock_irqrestore(shost->host_lock, flags); + return 0; +} + +/** * ibmvfc_slave_configure - Configure the device * @sdev: struct scsi_device device to configure * @@ -2543,6 +2632,7 @@ static struct scsi_host_template driver_template = { .eh_host_reset_handler = ibmvfc_eh_host_reset_handler, .slave_alloc = ibmvfc_slave_alloc, .slave_configure = ibmvfc_slave_configure, + .target_alloc = ibmvfc_target_alloc, .scan_finished = ibmvfc_scan_finished, .change_queue_depth = ibmvfc_change_queue_depth, .change_queue_type = ibmvfc_change_queue_type, @@ -2639,7 +2729,7 @@ static irqreturn_t ibmvfc_interrupt(int irq, void *dev_instance) } else if ((async = ibmvfc_next_async_crq(vhost)) != NULL) { vio_disable_interrupts(vdev); ibmvfc_handle_async(async, vhost); - crq->valid = 0; + async->valid = 0; } else done = 1; } @@ -2671,7 +2761,7 @@ static void ibmvfc_init_tgt(struct ibmvfc_target *tgt, static void ibmvfc_retry_tgt_init(struct ibmvfc_target *tgt, void (*job_step) (struct ibmvfc_target *)) { - if (++tgt->init_retries > IBMVFC_MAX_INIT_RETRIES) { + if (++tgt->init_retries > IBMVFC_MAX_TGT_INIT_RETRIES) { ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); wake_up(&tgt->vhost->work_wait_q); } else @@ -2710,6 +2800,8 @@ static void ibmvfc_tgt_prli_done(struct ibmvfc_event *evt) rsp->status, rsp->error, status); if (ibmvfc_retry_cmd(rsp->status, rsp->error)) ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_prli); + else + ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); break; }; @@ -2804,6 +2896,8 @@ static void ibmvfc_tgt_plogi_done(struct ibmvfc_event *evt) if (ibmvfc_retry_cmd(rsp->status, rsp->error)) ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_send_plogi); + else + ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); break; }; @@ -3095,6 +3189,8 @@ static void ibmvfc_tgt_query_target_done(struct ibmvfc_event *evt) ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); else if (ibmvfc_retry_cmd(rsp->status, rsp->error)) ibmvfc_retry_tgt_init(tgt, ibmvfc_tgt_query_target); + else + ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); break; }; @@ -3425,6 +3521,7 @@ static int __ibmvfc_work_to_do(struct ibmvfc_host *vhost) case IBMVFC_HOST_ACTION_ALLOC_TGTS: case IBMVFC_HOST_ACTION_TGT_ADD: case IBMVFC_HOST_ACTION_TGT_DEL: + case IBMVFC_HOST_ACTION_TGT_DEL_FAILED: case IBMVFC_HOST_ACTION_QUERY: default: break; @@ -3521,7 +3618,13 @@ static void ibmvfc_do_work(struct ibmvfc_host *vhost) break; case IBMVFC_HOST_ACTION_INIT: BUG_ON(vhost->state != IBMVFC_INITIALIZING); - vhost->job_step(vhost); + if (vhost->delay_init) { + vhost->delay_init = 0; + spin_unlock_irqrestore(vhost->host->host_lock, flags); + ssleep(15); + return; + } else + vhost->job_step(vhost); break; case IBMVFC_HOST_ACTION_QUERY: list_for_each_entry(tgt, &vhost->targets, queue) @@ -3540,6 +3643,7 @@ static void ibmvfc_do_work(struct ibmvfc_host *vhost) ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_TGT_DEL); break; case IBMVFC_HOST_ACTION_TGT_DEL: + case IBMVFC_HOST_ACTION_TGT_DEL_FAILED: list_for_each_entry(tgt, &vhost->targets, queue) { if (tgt->action == IBMVFC_TGT_ACTION_DEL_RPORT) { tgt_dbg(tgt, "Deleting rport\n"); @@ -3555,8 +3659,17 @@ static void ibmvfc_do_work(struct ibmvfc_host *vhost) } if (vhost->state == IBMVFC_INITIALIZING) { - ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_INIT); - vhost->job_step = ibmvfc_discover_targets; + if (vhost->action == IBMVFC_HOST_ACTION_TGT_DEL_FAILED) { + ibmvfc_set_host_state(vhost, IBMVFC_ACTIVE); + ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_TGT_ADD); + vhost->init_retries = 0; + spin_unlock_irqrestore(vhost->host->host_lock, flags); + scsi_unblock_requests(vhost->host); + return; + } else { + ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_INIT); + vhost->job_step = ibmvfc_discover_targets; + } } else { ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_NONE); spin_unlock_irqrestore(vhost->host->host_lock, flags); @@ -3579,14 +3692,8 @@ static void ibmvfc_do_work(struct ibmvfc_host *vhost) } } - if (!ibmvfc_dev_init_to_do(vhost)) { - ibmvfc_set_host_state(vhost, IBMVFC_ACTIVE); - ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_TGT_ADD); - vhost->init_retries = 0; - spin_unlock_irqrestore(vhost->host->host_lock, flags); - scsi_unblock_requests(vhost->host); - return; - } + if (!ibmvfc_dev_init_to_do(vhost)) + ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_TGT_DEL_FAILED); break; case IBMVFC_HOST_ACTION_TGT_ADD: list_for_each_entry(tgt, &vhost->targets, queue) { @@ -3594,16 +3701,6 @@ static void ibmvfc_do_work(struct ibmvfc_host *vhost) spin_unlock_irqrestore(vhost->host->host_lock, flags); ibmvfc_tgt_add_rport(tgt); return; - } else if (tgt->action == IBMVFC_TGT_ACTION_DEL_RPORT) { - tgt_dbg(tgt, "Deleting rport\n"); - rport = tgt->rport; - tgt->rport = NULL; - list_del(&tgt->queue); - spin_unlock_irqrestore(vhost->host->host_lock, flags); - if (rport) - fc_remote_port_delete(rport); - kref_put(&tgt->kref, ibmvfc_release_tgt); - return; } } |