Fix upstream, verified on Bionic KVM on a KVM node.

** Changed in: linux-kvm (Ubuntu)
       Status: New => Invalid

** Changed in: ubuntu-kernel-tests
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1790445

Title:
  growfiles in ubunt_ltp test will eat up all the disk space

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux-kvm package in Ubuntu:
  Invalid

Bug description:
  There are 4 different KVM node, all deployed with Bionic + 8G disk
  space:

  A: 18.04
  Disk space:
  /dev/vda1       7.3G  4.7G  2.3G  68% /

  B: 18.04 + proposed packages
  Disk space:
  /dev/vda1       7.3G  5.2G  1.7G  76% /

  C: 18.04 + linux-kvm kernel
  Disk space:
  /dev/vda1       7.3G  4.9G  2.1G  71% /

  D: 18.04 + linux-kvm kernel + proposed packages:
  Disk space:
  /dev/vda1       7.3G  5.5G  1.5G  79% /

  For node A, C (2.3, 2.1G free space), only the gf18 test will fail:
  <<<test_start>>>
  tag=gf18 stime=1535959767
  cmdline="growfiles -W gf18 -b -e 1 -i 0 -L 120 -w -u -r 10-5000 -I r -l -S 2 
-f Lgf04_ -d $TMPDIR"
  contacts=""
  analysis=exit
  <<<test_output>>>
  growfiles(gf18): 1218 growfiles.c/2037: 523098 tlibio.c/735 write(6, buf, 1) 
ret:-1, errno=28 No space left on device
  gf18        1  TFAIL  :  growfiles.c:132: Test failed
  <<<execution_status>>>
  initiation_status="ok"
  duration=62 termination_type=exited termination_id=1 corefile=no
  cutime=1247 cstime=2400
  <<<test_end>>>

  For node B (1.7G free space), gf15 and gf18 will fail
  The failure in gf15 is not "No space left on device":
  <<<test_start>>>
  tag=gf15 stime=1535960672
  cmdline="growfiles -W gf15 -b -e 1 -u -r 1-49600 -I r -u -i 0 -L 120 -f 
Lgfile1 -d $TMPDIR"
  contacts=""
  analysis=exit
  <<<test_output>>>
  growfiles(gf15): 1140 growfiles.c/2249: 78642 tlibio.c/1002 pwrite(6, buf, 
46818, 1951330224) returned=80
  growfiles(gf15): 1140 growfiles.c/1752: 78642 Hit max errors value of 1
  gf15        1  TFAIL  :  growfiles.c:132: Test failed
  <<<execution_status>>>
  initiation_status="ok"
  duration=17 termination_type=exited termination_id=1 corefile=no
  cutime=1306 cstime=302
  <<<test_end>>>

  
  For node D (1.5G free space), gf14, gf15 and gf18 will fail

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-1020-kvm 4.15.0-1020.20
  ProcVersionSignature: User Name 4.15.0-1020.20-kvm 4.15.18
  Uname: Linux 4.15.0-1020-kvm x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  Date: Mon Sep  3 06:15:36 2018
  SourcePackage: linux-kvm
  UpgradeStatus: No upgrade log present (probably fresh install)

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