diff options
| author | Anirban Chakraborty <anirban.chakraborty@qlogic.com> | 2009-04-06 22:33:40 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-05-20 17:21:07 -0500 |
| commit | 2afa19a9377ca61b9489e44bf50029574fbe63be (patch) | |
| tree | cdfa3878eb04d833bbcd9ce92196bc4456b5ccf5 /drivers/scsi/qla2xxx/qla_dbg.c | |
| parent | 7640335ea5b1a2da0d64303e6003012c619ae01a (diff) | |
| download | kernel_samsung_smdk4412-2afa19a9377ca61b9489e44bf50029574fbe63be.zip kernel_samsung_smdk4412-2afa19a9377ca61b9489e44bf50029574fbe63be.tar.gz kernel_samsung_smdk4412-2afa19a9377ca61b9489e44bf50029574fbe63be.tar.bz2 | |
[SCSI] qla2xxx: Add QoS support.
Set the number of request queues to the module paramater
ql2xmaxqueues. Each vport gets a request queue. The QoS value
set to the request queues determines priority control for queued
IOs. If QoS value is not specified, the vports use the default
queue 0.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dbg.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_dbg.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 34760f8..68671a2 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -351,7 +351,7 @@ static inline void * qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) { uint32_t cnt, que_idx; - uint8_t req_cnt, rsp_cnt, que_cnt; + uint8_t que_cnt; struct qla2xxx_mq_chain *mq = ptr; struct device_reg_25xxmq __iomem *reg; @@ -363,9 +363,8 @@ qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) mq->type = __constant_htonl(DUMP_CHAIN_MQ); mq->chain_size = __constant_htonl(sizeof(struct qla2xxx_mq_chain)); - req_cnt = find_first_zero_bit(ha->req_qid_map, ha->max_queues); - rsp_cnt = find_first_zero_bit(ha->rsp_qid_map, ha->max_queues); - que_cnt = req_cnt > rsp_cnt ? req_cnt : rsp_cnt; + que_cnt = ha->max_req_queues > ha->max_rsp_queues ? + ha->max_req_queues : ha->max_rsp_queues; mq->count = htonl(que_cnt); for (cnt = 0; cnt < que_cnt; cnt++) { reg = (struct device_reg_25xxmq *) ((void *) |