diff options
| author | James Smart <james.smart@emulex.com> | 2012-08-03 12:36:42 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-09-14 14:43:46 +0100 |
| commit | 49aa143da98cac07f56096de0d099cb00ccd1582 (patch) | |
| tree | def5e5c8db4554a6f6e7064366a21e4013d30ef0 /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | 4305f183c03fbcf7fd4102de4422862fc76567d2 (diff) | |
[SCSI] lpfc 8.3.33: Make I/O to hw queue distribution algorithm a module parameter
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 0d5dab3da964..d8dbe403c37e 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -7816,7 +7816,11 @@ lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba) { int i; - i = atomic_add_return(1, &phba->fcp_qidx); + if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU) + i = smp_processor_id(); + else + i = atomic_add_return(1, &phba->fcp_qidx); + i = (i % phba->cfg_fcp_io_channel); return i; } |