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authorBrian King <brking@linux.vnet.ibm.com>2010-06-17 20:55:15 +0200
committerJames Bottomley <James.Bottomley@suse.de>2010-07-27 19:02:41 +0200
commit3f01424c8128af7a69c824176bff195be457d6ac (patch)
tree4d664b1c6fabc3a569b929c8814418556952501e /drivers/scsi/ibmvscsi
parent[SCSI] ibmvfc: Fix soft lockup on resume (diff)
downloadlinux-3f01424c8128af7a69c824176bff195be457d6ac.tar.xz
linux-3f01424c8128af7a69c824176bff195be457d6ac.zip
[SCSI] ibmvfc: Add support for fc_block_scsi_eh
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>
Diffstat (limited to 'drivers/scsi/ibmvscsi')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index d6fcb3f43969..bd96cecaa619 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -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;