Some overlayfs features must be checked together, because they cannot
be enabled without a dependent feature (e.g. nfs_export and index).
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
_overlay_base_unmount "$OVL_BASE_SCRATCH_DEV" "$OVL_BASE_SCRATCH_MNT"
}
_overlay_base_unmount "$OVL_BASE_SCRATCH_DEV" "$OVL_BASE_SCRATCH_MNT"
}
-# Require a specific overlayfs feature
-_require_scratch_overlay_feature()
+# Check that a specific overlayfs feature is supported
+__check_scratch_overlay_feature()
[ "$default" = Y ] || [ "$default" = N ] || \
_notrun "feature '${feature}' not supported by ${FSTYP}"
[ "$default" = Y ] || [ "$default" = N ] || \
_notrun "feature '${feature}' not supported by ${FSTYP}"
- _scratch_mkfs > /dev/null 2>&1
- _scratch_mount -o ${feature}=on || \
- _notrun "${FSTYP} feature '${feature}' cannot be enabled on ${SCRATCH_DEV}"
# Check options to be sure. For example, Overlayfs will fallback to
# index=off if underlying fs does not support file handles.
# Overlayfs only displays mount option if it differs from the default.
# Check options to be sure. For example, Overlayfs will fallback to
# index=off if underlying fs does not support file handles.
# Overlayfs only displays mount option if it differs from the default.
( [ "$default" = Y ] && ! _fs_options $SCRATCH_DEV | grep -q "${feature}=off" )) && \
touch $SCRATCH_MNT/foo 2>/dev/null ) || \
_notrun "${FSTYP} feature '${feature}' cannot be enabled on ${SCRATCH_DEV}"
( [ "$default" = Y ] && ! _fs_options $SCRATCH_DEV | grep -q "${feature}=off" )) && \
touch $SCRATCH_MNT/foo 2>/dev/null ) || \
_notrun "${FSTYP} feature '${feature}' cannot be enabled on ${SCRATCH_DEV}"
+}
+
+# Require a set of overlayfs features
+_require_scratch_overlay_features()
+{
+ local features=( $* )
+ local opts="rw"
+
+ for feature in ${features[*]}; do
+ opts+=",${feature}=on"
+ done
+
+ _scratch_mkfs > /dev/null 2>&1
+ _scratch_mount -o $opts || \
+ _notrun "overlay options '$opts' cannot be enabled on ${SCRATCH_DEV}"
+
+ for feature in ${features[*]}; do
+ __check_scratch_overlay_feature ${feature}
+ done
+
case "$FSTYP" in
overlay)
case "$FSTYP" in
overlay)
- _require_scratch_overlay_feature ${feature}
+ _require_scratch_overlay_features ${feature}
;;
*)
_fail "Test for feature '${feature}' of ${FSTYP} is not implemented"
;;
*)
_fail "Test for feature '${feature}' of ${FSTYP} is not implemented"