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scsi: qla2xxx: Added change to enable ZIO for FC-NVMe devices

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Add support to the driver to set the exchange threshold value for
the number of outstanding AENs.

Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com>
Signed-off-by: Darren Trapp <darren.trapp@cavium.com>
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Duane Grigsby
2017-07-21 09:32:25 -07:00
committed by Martin K. Petersen
parent 0f7e51f6b3
commit deeae7a69f
7 changed files with 99 additions and 23 deletions
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drivers/scsi/qla2xxx/qla_isr.c
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@@ -1823,7 +1823,7 @@ qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
nvme = &sp->u.iocb_cmd;
if (unlikely(nvme->u.nvme.aen_op))
atomic_dec(&sp->vha->nvme_active_aen_cnt);
atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
/*
* State flags: Bit 6 and 0.