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OpenZFS 7036 - zvol_swap_004_pos test failed

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Authored by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: - John Kennedy <john.kennedy@delphix.com>
Approved by: - Dan McDonald <danmcd@omniti.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: George Melikov <mail@gmelikov.ru>

OpenZFS-issue: https://www.illumos.org/issues/7036
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/3f85b2a
Closes #5783
This commit is contained in:
Igor Kozhukhov 2016-06-09 16:38:35 -04:00 committed by Brian Behlendorf
parent 37bb2fc7dc
commit 0dc8347c30
1 changed files with 12 additions and 20 deletions
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32
tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_004_pos.ksh
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@ -30,26 +30,29 @@
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/zvol/zvol_common.shlib
#
# DESCRIPTION:
# When a swap zvol is added it is resized to be equal to 1/4 c_max,
# capped between 2G and 16G.
# When a swap zvol is added its volsize does not change.
#
# STRATEGY:
# 1. Determine what 1/4 arc_c_max is.
# 2. Create a zvols in a variety of sizes.
# 3. Add them as swap, and verify the volsize is resized correctly.
# 3. Add them as swap, and verify the volsize is not changed.
#
verify_runnable "global"
function cleanup
{
is_swap_inuse $swapname && log_must $SWAP -d $swapname
datasetexists $vol && log_must $ZFS destroy $vol
}
log_assert "For an added swap zvol, (2G <= volsize <= 16G)"
typeset -i min max mem
((mem = $($KSTAT -p ::arcstats:c_max | $AWK '{print $2}') / 4))
((min = 2 * 1024 * 1024 * 1024))
((max = 16 * 1024 * 1024 * 1024))
log_onexit cleanup
for vbs in 512 1024 2048 4096 8192 16384 32768 65536 131072; do
for multiplier in 1 32 16384 131072; do
@ -61,19 +64,8 @@ for vbs in 512 1024 2048 4096 8192 16384 32768 65536 131072; do
log_must $ZFS create -s -b $vbs -V $volsize $vol
log_must $SWAP -a $swapname
if ((mem <= min)); then # volsize should be 2G
new_volsize=$(get_prop volsize $vol)
((new_volsize == min)) || log_fail \
"Unexpected volsize: $new_volsize"
elif ((mem >= max)); then # volsize should be 16G
new_volsize=$(get_prop volsize $vol)
((new_volsize == max)) || log_fail \
"Unexpected volsize: $new_volsize"
else # volsize should be 'mem'
new_volsize=$(get_prop volsize $vol)
((new_volsize == mem)) || log_fail \
"Unexpected volsize: $new_volsize"
fi
new_volsize=$(get_prop volsize $vol)
[[ $volsize -eq $new_volsize ]] || log_fail "$volsize $new_volsize"
log_must $SWAP -d $swapname
log_must $ZFS destroy $vol