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mirror of git://sourceware.org/git/lvm2.git synced 2024-10-28 03:27:58 +03:00

tests: always zero disk header

It appear that older wipefs doesn't wipe partition table.
So ensure there is no partition on LVM_TEST_BACKING_DEVICE.
This commit is contained in:
Zdenek Kabelac 2015-04-28 11:32:52 +02:00
parent 1bb5b498f0
commit 3fbb7b6e35

View File

@ -497,6 +497,8 @@ prepare_devs() {
# non-ephemeral devices need to be cleared between tests # non-ephemeral devices need to be cleared between tests
test -f LOOP || for d in ${DEVICES[@]}; do test -f LOOP || for d in ${DEVICES[@]}; do
blkdiscard "$d" 2>/dev/null || true blkdiscard "$d" 2>/dev/null || true
# ensure disk header is always zeroed
dd if=/dev/zero of="$d" bs=4096 count=1
wipefs -a "$d" 2>/dev/null || dd if=/dev/zero of="$d" bs=64K count=1 wipefs -a "$d" 2>/dev/null || dd if=/dev/zero of="$d" bs=64K count=1
done done