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aux: retry brd removal

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Try to remove brd twice if there is some collision with udevd.
Instanciate only 1 ramdisk.
Use just 'eval' for '--nameprefixes' results.
This commit is contained in:
Zdenek Kabelac 2023-05-06 22:38:58 +02:00
parent 87eae82195
commit 6e8ede833b
1 changed files with 14 additions and 9 deletions
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23
test/lib/aux.sh
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@ -418,9 +418,7 @@ teardown_devs_prefixed() {
for dm in $(dm_info name,open --separator ';' --nameprefixes --unquoted --sort open,"$sortby" -S "name=~$prefix" --mangle none || true) ; do
test "$dm" != "No devices found" || break 2
DM_NAME=${dm##DM_NAME=}
DM_NAME=${DM_NAME%%;DM_OPEN*}
DM_OPEN=${dm##*;DM_OPEN=}
eval "$dm"
local force="-f"
if test "$i" = 0; then
if test "$once" = 1 ; then
@ -452,17 +450,24 @@ teardown_devs() {
test ! -f MD_DEV || cleanup_md_dev
test ! -f DEVICES || teardown_devs_prefixed "$PREFIX"
test ! -f RAMDISK || { modprobe -r brd || true ; }
if test -f RAMDISK ; then
for i in 1 2 ; do
modprobe -r brd && break
sleep .1
udev_wait
done
fi
# NOTE: SCSI_DEBUG_DEV test must come before the LOOP test because
# prepare_scsi_debug_dev() also sets LOOP to short-circuit prepare_loop()
if test -f SCSI_DEBUG_DEV; then
udev_wait
test "${LVM_TEST_PARALLEL:-0}" -eq 1 || {
if ! modprobe -r scsi_debug ; then
sleep 1
modprobe -r scsi_debug || true
fi
for i in 1 2 ; do
modprobe -r scsi_debug && break
sleep .1
udev_wait
done
}
else
test ! -f LOOP || losetup -d "$(< LOOP)" || true
@ -684,7 +689,7 @@ prepare_ramdisk() {
modprobe -r brd || return 0
echo -n "## preparing ramdisk device..."
modprobe brd rd_size=$((size * 1024)) || return
modprobe brd rd_size=$((size * 1024)) rd_nr=1 || return
BACKING_DEV=/dev/ram0
echo "ok ($BACKING_DEV)"