tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim.kshlib

   1 #
   2 # CDDL HEADER START
   3 #
   4 # This file and its contents are supplied under the terms of the
   5 # Common Development and Distribution License ("CDDL"), version 1.0.
   6 # You may only use this file in accordance with the terms of version
   7 # 1.0 of the CDDL.
   8 #
   9 # A full copy of the text of the CDDL should have accompanied this
  10 # source.  A copy of the CDDL is also available via the Internet at
  11 # http://www.illumos.org/license/CDDL.
  12 #
  13 # CDDL HEADER END
  14 #
  15
  16 #
  17 # Copyright (c) 2016 by Delphix. All rights reserved.
  18 # Copyright (c) 2019 by Lawrence Livermore National Security, LLC.
  19 #
  20
  21 function trim_prog_line # pool disk
  22 {
  23         typeset pool="$1"
  24         typeset disk="$2"
  25         zpool status -t "$pool" | grep "$disk" | grep "[[:digit:]]* trimmed"
  26 }
  27
  28 function trim_progress # pool disk
  29 {
  30         trim_prog_line "$1" "$2" | sed 's/.*(\([0-9]\{1,\}\)% trimmed.*/\1/g'
  31 }
  32
  33 #
  34 # Write a bit of data and sync several times.
  35 #
  36 function sync_and_rewrite_some_data_a_few_times
  37 {
  38         typeset pool=$1
  39         typeset -i a_few_times=${2:-20}
  40
  41         typeset file="/$pool/tmpfile"
  42         for i in {0..$a_few_times}; do
  43                 dd if=/dev/urandom of=${file} bs=128k count=10
  44                 sync_pool "$pool"
  45         done
  46
  47         return 0
  48 }
  49
  50 function cleanup
  51 {
  52         if poolexists $TESTPOOL; then
  53                 destroy_pool $TESTPOOL
  54         fi
  55
  56         if poolexists $TESTPOOL1; then
  57                 destroy_pool $TESTPOOL1
  58         fi
  59 }
  60 log_onexit cleanup