tests: handle missing delay_dev

Try to run as much of test which could run without delay_dev.

test/shell/pvmove-abort-all.sh

@@ -45,6 +45,8 @@ cmd1=(pvmove -i1 $backgroundarg $mode "$dev1" "$dev3")
 cmd2=(pvmove -i1 $backgroundarg $mode "$dev2" "$dev3")
 cmd3=(pvmove -i1 $backgroundarg $mode -n $vg1/$lv1 "$dev4" "$dev6")
 
+if test -e HAVE_DM_DELAY; then
+
 if test -z "$backgroundarg" ; then
 	"${cmd1[@]}" &
 	aux wait_pvmove_lv_ready "$vg-pvmove0"
@@ -59,6 +61,8 @@ else
 	LVM_TEST_TAG="kill_me_$PREFIX" "${cmd3[@]}"
 fi
 
+fi
+
 # test removal of all pvmove LVs
 pvmove --abort
 

test/shell/pvmove-abort.sh

@@ -34,6 +34,8 @@ lvcreate -an -Zn -l30 -n $lv2 $vg "$dev2"
 cmd1=(pvmove -i1 $backgroundarg $mode "$dev1" "$dev3")
 cmd2=(pvmove -i1 $backgroundarg $mode "$dev2" "$dev3")
 
+if test -e HAVE_DM_DELAY; then
+
 if test -z "$backgroundarg" ; then
 	"${cmd1[@]}" &
 	aux wait_pvmove_lv_ready "$vg-pvmove0"
@@ -52,6 +54,8 @@ get lv_field $vg name -a | tee out
 not grep "^\[pvmove0\]" out
 grep "^\[pvmove1\]" out
 
+fi
+
 # remove any remaining pvmoves in progress
 pvmove --abort
 

test/shell/pvmove-restart.sh

@@ -22,6 +22,7 @@ vgextend $vg "$dev3"
 # Slowdown writes
 # (FIXME: generates interesting race when not used)
 aux delay_dev "$dev3" 0 800 $(get first_extent_sector "$dev3"):
+test -e HAVE_DM_DELAY || skip
 
 for mode in "--atomic" ""
 do

test/shell/pvmove-resume-1.sh

@@ -33,6 +33,7 @@ test_pvmove_resume() {
 	lvcreate -an -Zn -l30 -n $lv1 $vg1
 
 	aux delay_dev "$dev3" 0 1000 $(get first_extent_sector "$dev3"):
+	test -e HAVE_DM_DELAY || { lvremove -f $vg $vg1; return 0; }
 	aux delay_dev "$dev4" 0 1000 $(get first_extent_sector "$dev4"):
 
 	pvmove -i5 "$dev1" &

test/shell/pvmove-resume-multiseg.sh

@@ -33,6 +33,7 @@ test_pvmove_resume() {
 	lvcreate -an -Zn -l30 -n $lv2 $vg "$dev3"
 
 	aux delay_dev "$dev4" 0 250
+	test -e HAVE_DM_DELAY || { lvremove -f $vg; return 0; }
 	aux delay_dev "$dev5" 0 250
 
 	pvmove -i5 "$dev1" "$dev4" &