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tests: aux fixes

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Properly check for kernel version.
Also detect sysfs throttling support.
This commit is contained in:
Zdenek Kabelac 2018-05-15 21:53:05 +02:00
parent 3b3ee66b1f
commit 550380c1a4
1 changed files with 2 additions and 1 deletions
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3
test/lib/aux.sh
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@ -843,7 +843,7 @@ prepare_backing_dev() {
return 0
elif test "${LVM_TEST_PREFER_BRD-1}" = "1" && \
test ! -d /sys/block/ram0 && \
test kernel_at_least 4 16 && \
kernel_at_least 4 16 && \
test "$size" -lt 16384; then
# try to use ramdisk if possible, but for
# big allocs (>16G) do not try to use ramdisk
@ -1067,6 +1067,7 @@ enable_dev() {
# Throttle down performance of kcopyd when mirroring i.e. disk image
throttle_sys="/sys/module/dm_mirror/parameters/raid1_resync_throttle"
throttle_dm_mirror() {
test -e "$throttle_sys" || return
test -f THROTTLE || cat "$throttle_sys" > THROTTLE
echo ${1-1} > "$throttle_sys"
}