diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/hpsa.c | 8 | ||||
-rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_scsih.c | 1 | ||||
-rw-r--r-- | drivers/scsi/scsi_error.c | 12 | ||||
-rw-r--r-- | drivers/scsi/scsi_lib.c | 6 | ||||
-rw-r--r-- | drivers/scsi/virtio_scsi.c | 6 |
5 files changed, 25 insertions, 8 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 8cf4a0c69ba..9a6e4a2cd07 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -7463,6 +7463,10 @@ static void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h) if (hpsa_simple_mode) return; + trans_support = readl(&(h->cfgtable->TransportSupport)); + if (!(trans_support & PERFORMANT_MODE)) + return; + /* Check for I/O accelerator mode support */ if (trans_support & CFGTBL_Trans_io_accel1) { transMethod |= CFGTBL_Trans_io_accel1 | @@ -7479,10 +7483,6 @@ static void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h) } /* TODO, check that this next line h->nreply_queues is correct */ - trans_support = readl(&(h->cfgtable->TransportSupport)); - if (!(trans_support & PERFORMANT_MODE)) - return; - h->nreply_queues = h->msix_vector > 0 ? h->msix_vector : 1; hpsa_get_max_perf_mode_cmds(h); /* Performant mode ring buffer and supporting data structures */ diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 7f0af4fcc00..6fd7d40b2c4 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -8293,7 +8293,6 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state) mpt2sas_base_free_resources(ioc); pci_save_state(pdev); - pci_disable_device(pdev); pci_set_power_state(pdev, device_state); return 0; } diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 771c16bfdba..f17aa7aa787 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -189,6 +189,7 @@ scsi_abort_command(struct scsi_cmnd *scmd) /* * Retry after abort failed, escalate to next level. */ + scmd->eh_eflags &= ~SCSI_EH_ABORT_SCHEDULED; SCSI_LOG_ERROR_RECOVERY(3, scmd_printk(KERN_INFO, scmd, "scmd %p previous abort failed\n", scmd)); @@ -920,10 +921,12 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, ses->prot_op = scmd->prot_op; scmd->prot_op = SCSI_PROT_NORMAL; + scmd->eh_eflags = 0; scmd->cmnd = ses->eh_cmnd; memset(scmd->cmnd, 0, BLK_MAX_CDB); memset(&scmd->sdb, 0, sizeof(scmd->sdb)); scmd->request->next_rq = NULL; + scmd->result = 0; if (sense_bytes) { scmd->sdb.length = min_t(unsigned, SCSI_SENSE_BUFFERSIZE, @@ -1157,6 +1160,15 @@ int scsi_eh_get_sense(struct list_head *work_q, __func__)); break; } + if (status_byte(scmd->result) != CHECK_CONDITION) + /* + * don't request sense if there's no check condition + * status because the error we're processing isn't one + * that has a sense code (and some devices get + * confused by sense requests out of the blue) + */ + continue; + SCSI_LOG_ERROR_RECOVERY(2, scmd_printk(KERN_INFO, scmd, "%s: requesting sense\n", current->comm)); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 65a123d9c67..9db097a28a7 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -137,6 +137,7 @@ static void __scsi_queue_insert(struct scsi_cmnd *cmd, int reason, int unbusy) * lock such that the kblockd_schedule_work() call happens * before blk_cleanup_queue() finishes. */ + cmd->result = 0; spin_lock_irqsave(q->queue_lock, flags); blk_requeue_request(q, cmd->request); kblockd_schedule_work(q, &device->requeue_work); @@ -1044,6 +1045,7 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb, */ int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask) { + struct scsi_device *sdev = cmd->device; struct request *rq = cmd->request; int error = scsi_init_sgtable(rq, &cmd->sdb, gfp_mask); @@ -1091,7 +1093,7 @@ err_exit: scsi_release_buffers(cmd); cmd->request->special = NULL; scsi_put_command(cmd); - put_device(&cmd->device->sdev_gendev); + put_device(&sdev->sdev_gendev); return error; } EXPORT_SYMBOL(scsi_init_io); @@ -1273,7 +1275,7 @@ int scsi_prep_return(struct request_queue *q, struct request *req, int ret) struct scsi_cmnd *cmd = req->special; scsi_release_buffers(cmd); scsi_put_command(cmd); - put_device(&cmd->device->sdev_gendev); + put_device(&sdev->sdev_gendev); req->special = NULL; } break; diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 16bfd50cd3f..db3b494e592 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -750,8 +750,12 @@ static void __virtscsi_set_affinity(struct virtio_scsi *vscsi, bool affinity) vscsi->affinity_hint_set = true; } else { - for (i = 0; i < vscsi->num_queues; i++) + for (i = 0; i < vscsi->num_queues; i++) { + if (!vscsi->req_vqs[i].vq) + continue; + virtqueue_set_affinity(vscsi->req_vqs[i].vq, -1); + } vscsi->affinity_hint_set = false; } |