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scsi: lpfc: Fix nvmet RQ resource needs for large block writes.

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Large block writes to the nvme target were failing because the default
number of RQs posted was insufficient.

Expand the NVMET RQs to 2048 RQEs and ensure a minimum of 512 RQEs are
posted, no matter how many MRQs are configured.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2017-05-15 15:20:41 -07:00
committed by Martin K. Petersen
parent 547077a44b
commit 61f3d4bf4f
6 changed files with 31 additions and 52 deletions
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6
drivers/scsi/lpfc/lpfc_attr.c
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@@ -60,9 +60,9 @@
#define LPFC_MIN_DEVLOSS_TMO 1
#define LPFC_MAX_DEVLOSS_TMO 255
#define LPFC_DEF_MRQ_POST 256
#define LPFC_MIN_MRQ_POST 32
#define LPFC_MAX_MRQ_POST 512
#define LPFC_DEF_MRQ_POST 512
#define LPFC_MIN_MRQ_POST 512
#define LPFC_MAX_MRQ_POST 2048
/*
* Write key size should be multiple of 4. If write key is changed