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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** This bug is no longer a duplicate of bug 1445195
   [Hyper-V] Kernel patches for storvsc

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https://bugs.launchpad.net/bugs/1454758

Title:
  [Hyper-V] storvsc: Set the SRB flags correctly when no data transfer
  is needed

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Precise:
  Triaged
Status in linux source package in Trusty:
  Triaged
Status in linux source package in Utopic:
  Triaged
Status in linux source package in Vivid:
  Triaged
Status in linux source package in Wily:
  Triaged

Bug description:
  The following critical bugfix has been accepted into the upstream
  kernel. It is needed for 15.10, 15.02, 14.10, 14.04 and 14.04 HWE
  (and, by extension, 12.04 and 12.04 HWE). We have seen IHV drivers in
  the field throw errors and time out due to receiving SRB flags set
  when no data transfer is expected.

  storvsc: Set the SRB flags correctly when no data transfer is needed
  Set the SRB flags correctly when there is no data transfer.  Without this
  change some IHV drivers will fail valid commands such as TEST_UNIT_READY.

  Commit
  http://git.kernel.org/cgit/linux/kernel/git/jejb/scsi.git/commit/?id=dc45708ca9988656d706940df5fd102672c5de92

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