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[Bug 1561507] Re: NVMe io requests gets broken down to 64k block requests

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Date: Mon, 28 Mar 2016 16:48:11 -0000
Reply-to: Bug 1561507 <1561507@xxxxxxxxxxxxxxxxxx>
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** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin1604

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https://bugs.launchpad.net/bugs/1561507

Title:
  NVMe io requests gets broken down to 64k block requests

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  == Comment: #0 - Breno Henrique Leitao <brenohl@xxxxxxxxxx> - 2016-03-24 08:20:06 ==
  The io requests to the NVMe device gets broken down to 64k requests

  I would like to ask Canonical to cherry pick the followng patch:

  commit 5f009d3f8e6685fe8c6215082c1696a08b411220
  Author: Keith Busch <keith.busch@xxxxxxxxx>
  Date:   Wed Feb 10 16:52:47 2016 -0700

      block: Initialize max_dev_sectors to 0

      The new queue limit is not used by the majority of block drivers, and
      should be initialized to 0 for the driver's requested settings to be used.

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