TEST-74-AUX-UTILS: Make more robust

Let's run mkfs on the file we create instead of the loop device and
let's use udevadm wait --settle to wait for udev to settle before
doing anything with the loop device

Fixes #32680 (hopefully)

diff --git a/test/units/testsuite-74.mount.sh b/test/units/testsuite-74.mount.sh
index 594c123e1ba4067a9cb95630c91ca1fdd2389c72..57b06bb005bf318dd68d505f67a99e07a315a194 100755 (executable)
--- a/test/units/testsuite-74.mount.sh
+++ b/test/units/testsuite-74.mount.sh
@@ -32,8 +32,9 @@ systemd-mount --list --quiet
 
 # Set up a simple block device for further tests
 dd if=/dev/zero of="$WORK_DIR/simple.img" bs=1M count=16
+mkfs.ext4 -L sd-mount-test "$WORK_DIR/simple.img"
 LOOP="$(losetup --show --find "$WORK_DIR/simple.img")"
-mkfs.ext4 -L sd-mount-test "$LOOP"
+udevadm wait --timeout 60 --settle "$LOOP"
 mkdir "$WORK_DIR/mnt"
 mount "$LOOP" "$WORK_DIR/mnt"
 touch "$WORK_DIR/mnt/foo.bar"
@@ -130,8 +131,9 @@ systemd-umount "$WORK_DIR/simple.img"
 # Create a vfat image, as ext4 doesn't support uid=/gid= fixating for all
 # files/directories
 dd if=/dev/zero of="$WORK_DIR/owner-vfat.img" bs=1M count=16
+mkfs.vfat -n owner-vfat "$WORK_DIR/owner-vfat.img"
 LOOP="$(losetup --show --find "$WORK_DIR/owner-vfat.img")"
-mkfs.vfat -n owner-vfat "$LOOP"
+udevadm wait --timeout 60 --settle "$LOOP"
 # Mount it and check the UID/GID
 [[ "$(stat -c "%U:%G" "$WORK_DIR/mnt")" == "root:root" ]]
 systemd-mount --owner=testuser "$LOOP" "$WORK_DIR/mnt"