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[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

This patch was released with Ubuntu-4.4.0-13.29

** Also affects: linux (Ubuntu Xenial)
   Importance: High
     Assignee: Canonical Kernel Team (canonical-kernel-team)
       Status: Triaged

** Changed in: linux (Ubuntu Xenial)
       Status: Triaged => Fix Released

** Changed in: linux (Ubuntu Xenial)
     Assignee: Canonical Kernel Team (canonical-kernel-team) => Tim Gardner (timg-tpi)

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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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