From: James Smart Date: Mon, 21 Dec 2009 22:02:51 +0000 (-0500) Subject: [SCSI] lpfc 8.3.7: Fix SCSI protocol related errors. X-Git-Tag: firefly_0821_release~9833^2~3471^2~2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=aacc20e35edfb86cf66c5ee8d9f3d06a98362fd1;p=firefly-linux-kernel-4.4.55.git [SCSI] lpfc 8.3.7: Fix SCSI protocol related errors. Fix SCSI protocol related errors: - Avoid I/O failures during EEH and HBA/CNA reset by correcting when we block the targets on the adapter. Signed-off-by: James Smart Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index f40b9609f6e4..1c2737293eb5 100755 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -747,6 +747,10 @@ lpfc_linkdown(struct lpfc_hba *phba) if (phba->link_state == LPFC_LINK_DOWN) return 0; + + /* Block all SCSI stack I/Os */ + lpfc_scsi_dev_block(phba); + spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_DISCOVERED); if (phba->link_state > LPFC_LINK_DOWN) { diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 7083ef3b3878..974ea6d85efe 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -7226,8 +7226,6 @@ lpfc_prep_dev_for_perm_failure(struct lpfc_hba *phba) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "2711 PCI channel permanent disable for failure\n"); - /* Block all SCSI devices' I/Os on the host */ - lpfc_scsi_dev_block(phba); /* Clean up all driver's outstanding SCSI I/Os */ lpfc_sli_flush_fcp_rings(phba); } @@ -7256,6 +7254,9 @@ lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; + /* Block all SCSI devices' I/Os on the host */ + lpfc_scsi_dev_block(phba); + switch (state) { case pci_channel_io_normal: /* Non-fatal error, prepare for recovery */