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authorDan Williams <dan.j.williams@intel.com>2011-06-22 01:23:03 +0200
committerDan Williams <dan.j.williams@intel.com>2011-07-03 13:04:51 +0200
commit086a0dabc5bf154e13604a6d71e2d051207f9718 (patch)
tree1fbcde709c24fd5c5ebd8451b96e567ba5e1c1d4 /drivers/scsi/isci
parentisci: fix support for arbitrarily large smp requests (diff)
downloadlinux-086a0dabc5bf154e13604a6d71e2d051207f9718.tar.xz
linux-086a0dabc5bf154e13604a6d71e2d051207f9718.zip
isci: fix isci_task_execute_tmf completion
1/ fix the timeout for wait_for_completion_timeout 2/ In the tmf timeout case we need to wait for our termination callback 3/ Once the request is successfully started it will be freed according to the normal lifetime for requests. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci')
-rw-r--r--drivers/scsi/isci/task.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c
index c313bc16c218..0835a2c2dc71 100644
--- a/drivers/scsi/isci/task.c
+++ b/drivers/scsi/isci/task.c
@@ -339,7 +339,8 @@ int isci_task_execute_tmf(struct isci_host *ihost,
status,
ireq);
spin_unlock_irqrestore(&ihost->scic_lock, flags);
- goto cleanup_request;
+ isci_request_free(ihost, ireq);
+ return ret;
}
if (tmf->cb_state_func != NULL)
@@ -354,7 +355,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
/* Wait for the TMF to complete, or a timeout. */
timeleft = wait_for_completion_timeout(&completion,
- jiffies + msecs_to_jiffies(timeout_ms));
+ msecs_to_jiffies(timeout_ms));
if (timeleft == 0) {
spin_lock_irqsave(&ihost->scic_lock, flags);
@@ -362,11 +363,13 @@ int isci_task_execute_tmf(struct isci_host *ihost,
if (tmf->cb_state_func != NULL)
tmf->cb_state_func(isci_tmf_timed_out, tmf, tmf->cb_data);
- status = scic_controller_terminate_request(&ihost->sci,
- &isci_device->sci,
- &ireq->sci);
+ scic_controller_terminate_request(&ihost->sci,
+ &isci_device->sci,
+ &ireq->sci);
spin_unlock_irqrestore(&ihost->scic_lock, flags);
+
+ wait_for_completion(tmf->complete);
}
isci_print_tmf(tmf);
@@ -387,13 +390,6 @@ int isci_task_execute_tmf(struct isci_host *ihost,
__func__,
ireq);
- if (ireq->io_request_completion != NULL) {
- /* A thread is waiting for this TMF to finish. */
- complete(ireq->io_request_completion);
- }
-
- cleanup_request:
- isci_request_free(ihost, ireq);
return ret;
}