From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shivasharan Srikanteshwara
        <shivasharan.srikanteshwara@broadcom.com>
Subject: RE: [PATCH 01/39] Revert "scsi: megaraid_sas: Enable or Disable Fast
 path based on the PCI Threshold Bandwidth"
Date: Mon, 6 Feb 2017 15:37:47 +0530
Message-ID: <005a44f52b788ccda8cc240a50126a33@mail.gmail.com>
References: <1486375212-17329-1-git-send-email-shivasharan.srikanteshwara@broadcom.com>
 <1486375212-17329-2-git-send-email-shivasharan.srikanteshwara@broadcom.com>
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Cc: martin.petersen@oracle.com, thenzl@redhat.com, jejb@linux.vnet.ibm.com, Kashyap Desai <kashyap.desai@broadcom.com>, Sumit Saxena <sumit.saxena@broadcom.com>, hare@suse.com

> -----Original Message-----
> From: Shivasharan S [mailto:shivasharan.srikanteshwara@broadcom.com]
> Sent: Monday, February 06, 2017 3:30 PM
> To: linux-scsi@vger.kernel.org
> Cc: martin.petersen@oracle.com; thenzl@redhat.com;
> jejb@linux.vnet.ibm.com; kashyap.desai@broadcom.com;
> sumit.saxena@broadcom.com; hare@suse.com; Shivasharan S
> Subject: [PATCH 01/39] Revert "scsi: megaraid_sas: Enable or Disable
Fast path
> based on the PCI Threshold Bandwidth"
>
> 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.


Correction: Please refer patch #0012 - "megaraid_sas: raid 1 write
performance for large io"
>
> Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
> Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
> ---