On 02/06/2017 10:59 AM, Shivasharan S wrote:
> This reverts
> commit "3e5eadb1a881" ("scsi: megaraid_sas: Enable or Disable Fast path based on the PCI Threshold Bandwidth")
>
> This patch was aimed to increase performance of R1 Write operation for large IO size.
> Since this method used timer approach, it turn on/off fast path did not work as expected.
> Patch 0011 describes new algorithm and performance number.
>
> Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@xxxxxxxxxxxx>
> Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
> ---
> drivers/scsi/megaraid/megaraid_sas.h | 8 -----
> drivers/scsi/megaraid/megaraid_sas_base.c | 48 -----------------------------
> drivers/scsi/megaraid/megaraid_sas_fp.c | 7 -----
> drivers/scsi/megaraid/megaraid_sas_fusion.c | 16 ++++------
> drivers/scsi/megaraid/megaraid_sas_fusion.h | 2 +-
> 5 files changed, 7 insertions(+), 74 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxxx +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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