Re: [PATCH 09/17] lpfc: Adjust default value of lpfc_nvmet_mrq

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On 11/03/2017 11:56 PM, James Smart wrote:
> The current default for async hw receive queues is 1, which presents
> issues under heavy load as number of queues influence the available
> async receive buffer limits.
> 
> Raise the default to the either the current hw limit (16) or the number
> of hw qs configured (io channel value).
> 
> Revise the attribute definition for mrq to better reflect what we do
> for hw queues. E.g. 0 means default to optimal (# of cpus), non-zero
> specifies a specific limit. Before this change, mrq=0 meant target
> mode was disabled. As 0 now has a different meaning, rework the
> if tests to use the better nvmet_support check.
> 
> Signed-off-by: Dick Kennedy <dick.kennedy@xxxxxxxxxxxx>
> Signed-off-by: James Smart <james.smart@xxxxxxxxxxxx>
> ---
>  drivers/scsi/lpfc/lpfc_attr.c    | 11 ++++++++--
>  drivers/scsi/lpfc/lpfc_debugfs.c |  2 +-
>  drivers/scsi/lpfc/lpfc_init.c    | 47 ++++++++++++++++++++++++----------------
>  drivers/scsi/lpfc/lpfc_nvmet.h   |  4 ++++
>  4 files changed, 42 insertions(+), 22 deletions(-)
> 
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)



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