Factor out helper for create an leftover whiteout,
this is common to repeat test of whiteout check in
different underlaying directories.
Signed-off-by: zhangyi (F) <yi.zhang@xxxxxxxxxx>
Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
---
tests/overlay/031 | 38 +++++++++++++++++++++++---------------
1 file changed, 23 insertions(+), 15 deletions(-)
diff --git a/tests/overlay/031 b/tests/overlay/031
index 674c11f..cb29ee5 100755
--- a/tests/overlay/031
+++ b/tests/overlay/031
@@ -38,6 +38,20 @@ _cleanup()
rm -f $tmp.*
}
+# create test directory and test file, mount overlayfs and remove
+# testfile to create a whiteout in upper dir.
+_create_whiteout()
+{
+ mkdir -p $1/testdir
+ touch $1/testdir/$4
+
+ _overlay_mount_dirs $1 $2 $3 $OVL_BASE_SCRATCH_MNT $SCRATCH_MNT
+
+ rm -f $SCRATCH_MNT/testdir/$4
+
+ $UMOUNT_PROG $SCRATCH_MNT
+}
+
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
@@ -52,26 +66,20 @@ _require_scratch
# remove all files from previous runs
_scratch_mkfs
-# create test directory and test file
-lowerdir=$OVL_BASE_SCRATCH_MNT/$OVL_LOWER
-upperdir=$OVL_BASE_SCRATCH_MNT/$OVL_UPPER
-workdir=$OVL_BASE_SCRATCH_MNT/$OVL_WORK
-mkdir -p $lowerdir/testdir
-touch $lowerdir/testdir/a
-
-# mount overlayfs and remove testfile to create a whiteout
-_scratch_mount
+# create test directorys and whiteout
+lowerdir=$OVL_BASE_SCRATCH_MNT/lower
+upperdir=$OVL_BASE_SCRATCH_MNT/upper
+workdir=$OVL_BASE_SCRATCH_MNT/workdir
+testfile=a
+mkdir -p $lowerdir $upperdir $workdir
-rm -f $SCRATCH_MNT/testdir/a
-
-# unmount overlayfs but not base fs
-$UMOUNT_PROG $SCRATCH_MNT
+_create_whiteout $lowerdir $upperdir $workdir $testfile
# clean up the lower directory and mount overlay again,
# whiteout will expose.
rm -rf $lowerdir/testdir
-_scratch_mount
+_overlay_mount_dirs $lowerdir $upperdir $workdir $OVL_BASE_SCRATCH_MNT $SCRATCH_MNT
ls $SCRATCH_MNT/testdir
@@ -84,7 +92,7 @@ rm -rf $SCRATCH_MNT/testdir 2>&1 | _filter_scratch
$UMOUNT_PROG $SCRATCH_MNT
touch $lowerdir/testdir
-_scratch_mount
+_overlay_mount_dirs $lowerdir $upperdir $workdir $OVL_BASE_SCRATCH_MNT $SCRATCH_MNT
# try to remove test dir from overlay dir, trigger ovl_remove_and_whiteout,
# it will not clean up the dir and lead to residue.
--
2.5.0
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