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authorJames Smart <james.smart@emulex.com>2009-12-21 17:02:51 -0500
committerJames Bottomley <James.Bottomley@suse.de>2010-01-04 11:39:45 -0600
commitaacc20e35edfb86cf66c5ee8d9f3d06a98362fd1 (patch)
treefeced0764c142d9c7de4f94cd2724bf54e97dfbe
parentdef9c7a994f194377a23e687e6fd39b46c3ce631 (diff)
[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 <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
-rwxr-xr-xdrivers/scsi/lpfc/lpfc_hbadisc.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c5
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index f40b9609f6e..1c2737293eb 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 7083ef3b387..974ea6d85ef 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 */