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tests: add test to resize to same size

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Check that 'lvresize/extend -r' resizing to the same size is
doing the fs resize.
This commit is contained in:
Zdenek Kabelac 2024-10-25 14:47:40 +02:00
parent 5a293968ec
commit c8a8c7286f
1 changed files with 14 additions and 1 deletions
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15
test/shell/lvresize-fs.sh
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@ -137,11 +137,24 @@ mount "$DM_DEV_DIR/$vg/$lv" "$mount_dir"
# so exit 0 test here, if the feature is not present
blkid -p "$DM_DEV_DIR/$vg/$lv" | grep FSLASTBLOCK || exit 0
# existence of FSLASTBLOCK gives assumption on having 'new enough' blkid
FSSIZE="$(blkid -p -o udev --match-tag FSSIZE "$DM_DEV_DIR/$vg/$lv")"
FSSIZE=${FSSIZE/*=}
# lvextend, ext4, active, mounted,
df --output=size "$mount_dir" |tee df1
lvextend -L+5M $vg/$lv
check lv_field $vg/$lv lv_size "25.00m"
# here the filesystem should be resize to match 25M and must not fail
lvextend -r -L25M $vg/$lv
NEW_FSSIZE="$(blkid -p -o udev --match-tag FSSIZE "$DM_DEV_DIR/$vg/$lv")"
NEW_FSSIZE=${NEW_FSSIZE/*=}
test "$NEW_FSSIZE" -gt "$FSSIZE" ||
die "Filesystem should be extended"
# lvextend, ext4, active, mounted, no --fs setting is same as --fs ignore
df --output=size "$mount_dir" |tee df1
dd if=/dev/zero of="$mount_dir/zeros1" bs=1M count=8 oflag=direct
lvextend -L+10M $vg/$lv
lvextend -L+5M $vg/$lv
check lv_field $vg/$lv lv_size "30.00m"
# with no --fs used, the fs size should be the same
df --output=size "$mount_dir" |tee df2