diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2011-06-17 14:18:39 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2011-07-03 04:04:51 -0700 |
| commit | db0562509800a2d4cb5cb14a66413c30484f165c (patch) | |
| tree | d05cc34b78a8f2a6b9024b8d45e5e8e50786ee64 /drivers/scsi/isci/remote_device.c | |
| parent | 38d8879baeb61b6946052739e7c03fa79b3a57f0 (diff) | |
isci: preallocate requests
the dma_pool interface is optimized for object_size << page_size which
is not the case with isci_request objects and the dma_pool routines show
up in the top of the profile.
The old io_request_table which tracked whether tci slots were in-flight
or not is replaced with an IREQ_ACTIVE flag per request.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci/remote_device.c')
| -rw-r--r-- | drivers/scsi/isci/remote_device.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index c5ce0f0f364..5a86bb1e96d 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -136,16 +136,19 @@ static void rnc_destruct_done(void *_dev) static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds_remote_device *sci_dev) { struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; + struct isci_host *ihost = scic_to_ihost(scic); u32 i, request_count = sci_dev->started_request_count; enum sci_status status = SCI_SUCCESS; for (i = 0; i < SCI_MAX_IO_REQUESTS && i < request_count; i++) { - struct scic_sds_request *sci_req; + struct isci_request *ireq = ihost->reqs[i]; + struct scic_sds_request *sci_req = &ireq->sci; enum sci_status s; - sci_req = scic->io_request_table[i]; - if (!sci_req || sci_req->target_device != sci_dev) + if (!test_bit(IREQ_ACTIVE, &ireq->flags) || + sci_req->target_device != sci_dev) continue; + s = scic_controller_terminate_request(scic, sci_dev, sci_req); if (s != SCI_SUCCESS) status = s; |