diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_scsih.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 471c3b60459..195f5e5aabf 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -1785,17 +1785,18 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun, u32 ioc_state; unsigned long timeleft; u8 VF_ID = 0; - unsigned long flags; - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED || - ioc->shost_recovery) { - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); + if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { + printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", + __func__, ioc->name); + return; + } + + if (ioc->shost_recovery) { printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", __func__, ioc->name); return; } - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); ioc_state = mpt2sas_base_get_iocstate(ioc, 0); if (ioc_state & MPI2_DOORBELL_USED) { @@ -2553,7 +2554,6 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) Mpi2SCSIIORequest_t *mpi_request; u32 mpi_control; u16 smid; - unsigned long flags; scmd->scsi_done = done; sas_device_priv_data = scmd->device->hostdata; @@ -2572,13 +2572,10 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) } /* see if we are busy with task managment stuff */ - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (sas_target_priv_data->tm_busy || - ioc->shost_recovery || ioc->ioc_link_reset_in_progress) { - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); + if (sas_target_priv_data->tm_busy) + return SCSI_MLQUEUE_DEVICE_BUSY; + else if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) return SCSI_MLQUEUE_HOST_BUSY; - } - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); if (scmd->sc_data_direction == DMA_FROM_DEVICE) mpi_control = MPI2_SCSIIO_CONTROL_READ; @@ -3374,6 +3371,9 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) if (!handle) return -1; + if (ioc->shost_recovery) + return -1; + if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", @@ -3510,6 +3510,9 @@ _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u16 handle) struct _sas_node *sas_expander; unsigned long flags; + if (ioc->shost_recovery) + return; + spin_lock_irqsave(&ioc->sas_node_lock, flags); sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, handle); spin_unlock_irqrestore(&ioc->sas_node_lock, flags); @@ -3681,6 +3684,8 @@ _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) mutex_unlock(&ioc->tm_cmds.mutex); dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset " "done: handle(0x%04x)\n", ioc->name, device_handle)); + if (ioc->shost_recovery) + goto out; } /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */ @@ -3846,6 +3851,8 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, "expander event\n", ioc->name)); return; } + if (ioc->shost_recovery) + return; if (event_data->PHY[i].PhyStatus & MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) continue; @@ -5217,13 +5224,10 @@ _firmware_event_work(struct work_struct *work) } spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); if (ioc->shost_recovery) { - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); _scsih_fw_event_requeue(ioc, fw_event, 1000); return; } - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); switch (fw_event->event) { case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: @@ -5425,6 +5429,8 @@ _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, if (!sas_device) continue; _scsih_remove_device(ioc, sas_device->handle); + if (ioc->shost_recovery) + return; goto retry_device_search; } } @@ -5446,6 +5452,8 @@ _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, if (!expander_sibling) continue; _scsih_expander_remove(ioc, expander_sibling->handle); + if (ioc->shost_recovery) + return; goto retry_expander_search; } } |