| commit | 4fde02ad66dc9ceb0b55daca21ef33b43df30ded | [log] [tgz] |
|---|---|---|
| author | John Garry <john.garry@huawei.com> | Tue Sep 06 23:36:12 2016 +0800 |
| committer | Martin K. Petersen <martin.petersen@oracle.com> | Wed Sep 14 12:54:17 2016 -0400 |
| tree | 4c707c92f64c6c18bfaa4dd62c6e24f70fc0abbd | |
| parent | e6c346f303d41b8799ea224d0faf1b2caa1c98db [diff] |
scsi: hisi_sas: save delivery queue write pointer Optimise by saving an avoidable read in the get_free_slot function. The delivery queue write pointer will only be updated by software, so don't bother re-reading what was already written in the previous call to start_delivery function. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>