Sometimes it can fail: losetup: /var/tmp/mdtest0: failed to set up loop device: No such device or address /dev/loop0 and /var/tmp/mdtest0 are already created before losetup. Because losetup can create device node by itself. So remove mknod. Signed-off-by: Xiao Ni <xni@xxxxxxxxxx> --- tests/func.sh | 1 - 1 file changed, 1 deletion(-) diff --git a/tests/func.sh b/tests/func.sh index 9710a53b8a73..5053b0121f1d 100644 --- a/tests/func.sh +++ b/tests/func.sh @@ -170,7 +170,6 @@ do_setup() { dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1 # make sure udev doesn't touch mdadm --zero $targetdir/mdtest$d 2> /dev/null - [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d if [ $d -eq 7 ] then losetup /dev/loop$d $targetdir/mdtest6 # for multipath use -- 2.32.0 (Apple Git-132)