redonkable/alistair23-linux
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[SCSI] ibmvfc: Add support for fc_block_scsi_eh

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Adds support for fc_block_scsi_eh to block the EH handlers if
the target device is in the blocked state to ensure we don't
take devices offline.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Brian King 2010-06-17 13:55:15 -05:00 committed by James Bottomley
parent 73ee5d8672
commit 3f01424c81
1 changed files with 4 additions and 0 deletions
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4
drivers/scsi/ibmvscsi/ibmvfc.c
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@ -2311,6 +2311,7 @@ static int ibmvfc_eh_abort_handler(struct scsi_cmnd *cmd)
int rc = FAILED;
ENTER;
fc_block_scsi_eh(cmd);
ibmvfc_wait_while_resetting(vhost);
cancel_rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_ABORT_TASK_SET);
abort_rc = ibmvfc_abort_task_set(sdev);
@ -2337,6 +2338,7 @@ static int ibmvfc_eh_device_reset_handler(struct scsi_cmnd *cmd)
int rc = FAILED;
ENTER;
fc_block_scsi_eh(cmd);
ibmvfc_wait_while_resetting(vhost);
cancel_rc = ibmvfc_cancel_all(sdev, IBMVFC_TMF_LUN_RESET);
reset_rc = ibmvfc_reset_device(sdev, IBMVFC_LUN_RESET, "LUN");
@ -2401,6 +2403,7 @@ static int ibmvfc_eh_target_reset_handler(struct scsi_cmnd *cmd)
unsigned long cancel_rc = 0;
ENTER;
fc_block_scsi_eh(cmd);
ibmvfc_wait_while_resetting(vhost);
starget_for_each_device(starget, &cancel_rc, ibmvfc_dev_cancel_all_reset);
reset_rc = ibmvfc_reset_device(sdev, IBMVFC_TARGET_RESET, "target");
@ -2422,6 +2425,7 @@ static int ibmvfc_eh_host_reset_handler(struct scsi_cmnd *cmd)
int rc;
struct ibmvfc_host *vhost = shost_priv(cmd->device->host);
fc_block_scsi_eh(cmd);
dev_err(vhost->dev, "Resetting connection due to error recovery\n");
rc = ibmvfc_issue_fc_host_lip(vhost->host);
return rc ? FAILED : SUCCESS;