diff options
Diffstat (limited to 'usr/src/test/zfs-tests/tests/functional/nopwrite/nopwrite.shlib')
| -rw-r--r-- | usr/src/test/zfs-tests/tests/functional/nopwrite/nopwrite.shlib | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/usr/src/test/zfs-tests/tests/functional/nopwrite/nopwrite.shlib b/usr/src/test/zfs-tests/tests/functional/nopwrite/nopwrite.shlib new file mode 100644 index 0000000000..a03bc54123 --- /dev/null +++ b/usr/src/test/zfs-tests/tests/functional/nopwrite/nopwrite.shlib @@ -0,0 +1,68 @@ +# +# This file and its contents are supplied under the terms of the +# Common Development and Distribution License ("CDDL"), version 1.0. +# You may only use this file in accordance with the terms of version +# 1.0 of the CDDL. +# +# A full copy of the text of the CDDL should have accompanied this +# source. A copy of the CDDL is also available via the Internet at +# http://www.illumos.org/license/CDDL. +# + +# +# Copyright (c) 2012 by Delphix. All rights reserved. +# + +. $STF_SUITE/include/math.shlib + +export TESTVOL="testvol.nopwrite" +export VOLSIZE="256M" +export MEGS="64" + +function verify_nopwrite +{ + typeset origin=$1 + typeset snap=$2 + typeset clone=$3 + typeset low=1 + typeset high=99 + + $SYNC + for i in origin snap clone; do + for j in used refer usedbychildren written; do + typeset ${i}_$j=$(get_prop $j $(eval echo \$$i)) + done + done + + # + # If we are dealing with a volume, deduct the refreserv from the used + # value to prevent real failures from being masked by the unexpected + # extra space. Also, volumes use more space for metadata, so adjust the + # percentages to be more forgiving. + # + if [[ "$(get_prop type $origin)" = "volume" ]]; then + typeset rr=$(get_prop refreserv $origin) + ((origin_used -= rr )) + low=2 + high=98 + fi + + # These values should differ greatly with nopwrite. + within_percent $origin_used $clone_used $low && return 1 + within_percent $origin_refer $origin_usedbychildren $low && return 1 + within_percent $snap_written $clone_written $low && return 1 + + # These values should be nearly the same with nopwrite. + within_percent $origin_used $clone_refer $high || return 1 + within_percent $origin_used $snap_refer $high || return 1 + + # + # The comparisons below should pass regardless of nopwrite. They're + # here for sanity. + # + typeset deadlist=$($ZDB -Pddd $clone | $AWK '/Deadlist:/ {print $2}') + within_percent $deadlist $clone_written $high || return 1 + within_percent $snap_refer $snap_written $high || return 1 + + return 0 +} |