On 05/10/2017 09:07 PM, James Smart wrote:
> 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 minimun of 2048
512^^^^
> RQEs are posted, no matter how many MRQs are configured.
>
> Signed-off-by: Dick Kennedy <dick.kennedy@xxxxxxxxxxxx>
> Signed-off-by: James Smart <james.smart@xxxxxxxxxxxx>
> ---
> drivers/scsi/lpfc/lpfc_attr.c | 4 ++--
> drivers/scsi/lpfc/lpfc_init.c | 20 +++++++++++++++-----
> drivers/scsi/lpfc/lpfc_nvmet.c | 2 +-
> drivers/scsi/lpfc/lpfc_nvmet.h | 1 +
> drivers/scsi/lpfc/lpfc_sli.c | 18 ++++++++++--------
> drivers/scsi/lpfc/lpfc_sli4.h | 1 +
> 6 files changed, 30 insertions(+), 16 deletions(-)
> > diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
> index 41ec7451689b..ee4d9be95960 100644
> --- a/drivers/scsi/lpfc/lpfc_attr.c
> +++ b/drivers/scsi/lpfc/lpfc_attr.c
> @@ -60,9 +60,9 @@
> #define LPFC_MIN_DEVLOSS_TMO 1
> #define LPFC_MAX_DEVLOSS_TMO 255
>
> -#define LPFC_DEF_MRQ_POST 256
> +#define LPFC_DEF_MRQ_POST 512
> #define LPFC_MIN_MRQ_POST 32
> -#define LPFC_MAX_MRQ_POST 512
> +#define LPFC_MAX_MRQ_POST 2048
>
The minimum is actually 512, isn't it?
Otherwise:
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@xxxxxxx +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
