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isci: save the i/o tag outside the scic request structure. 

The pointer to the core representation of a request is marked NULL at
completion, but we need to save the i/o tag for task management.

Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Jacek Danecki <Jacek.Danecki@intel.com>
[revise changelog]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Jeff Skirvin 2011-03-04 14:06:46 -08:00 committed by Dan Williams
parent ec6c9638b0
commit 1fad9e934a
3 changed files with 11 additions and 7 deletions
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6
drivers/scsi/isci/request.c
View File

@ -463,6 +463,12 @@ int isci_request_execute(
*/
status = SCI_SUCCESS;
}
else
/* Save the tag for possible task mgmt later. */
request->io_tag = scic_io_request_get_io_tag(
request->sci_request_handle);
} else
dev_warn(&isci_host->pdev->dev,
"%s: failed request start\n",

10
drivers/scsi/isci/task.c
View File

@ -544,7 +544,7 @@ void isci_task_build_tmf(
void (*tmf_sent_cb)(enum isci_tmf_cb_state,
struct isci_tmf *,
void *),
void *cb_data)
struct isci_request *old_request)
{
dev_dbg(&isci_device->isci_port->isci_host->pdev->dev,
"%s: isci_device = %p\n", __func__, isci_device);
@ -555,7 +555,9 @@ void isci_task_build_tmf(
tmf->tmf_code = code;
tmf->timeout_timer = NULL;
tmf->cb_state_func = tmf_sent_cb;
tmf->cb_data = cb_data;
tmf->cb_data = old_request;
tmf->io_tag = old_request->io_tag;
}
static struct isci_request *isci_task_get_request_from_task(
@ -1248,10 +1250,6 @@ int isci_task_abort_task(struct sas_task *task)
isci_task_build_tmf(&tmf, isci_device, isci_tmf_ssp_task_abort,
isci_abort_task_process_cb, old_request);
tmf.io_tag = scic_io_request_get_io_tag(
old_request->sci_request_handle
);
spin_unlock_irqrestore(&isci_host->scic_lock, flags);
#define ISCI_ABORT_TASK_TIMEOUT_MS 500 /* half second timeout. */

2
drivers/scsi/isci/task.h
View File

@ -224,7 +224,7 @@ void isci_task_build_tmf(
void (*tmf_sent_cb)(
enum isci_tmf_cb_state,
struct isci_tmf *, void *),
void *cb_data);
struct isci_request *old_request);
int isci_task_execute_tmf(
struct isci_host *isci_host,