From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomas Henzl 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 14:08:01 +0100 Message-ID: <2c543589-1fba-90e3-7762-19d3fc6df2a8@redhat.com> References: <1486375212-17329-1-git-send-email-shivasharan.srikanteshwara@broadcom.com> <1486375212-17329-2-git-send-email-shivasharan.srikanteshwara@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com ([209.132.183.28]:38896 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751414AbdBFNIE (ORCPT ); Mon, 6 Feb 2017 08:08:04 -0500 In-Reply-To: <1486375212-17329-2-git-send-email-shivasharan.srikanteshwara@broadcom.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Shivasharan S , linux-scsi@vger.kernel.org Cc: martin.petersen@oracle.com, jejb@linux.vnet.ibm.com, kashyap.desai@broadcom.com, sumit.saxena@broadcom.com, hare@suse.com On 6.2.2017 10:59, 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 > Signed-off-by: Kashyap Desai Reviewed-by: Tomas Henzl Tomas