classes/image_vm: allow different filesystems to be used for VM images.

This allows for things like btrfs to be used vs just ext4.
The default value of ext4 is kept so there is no functional
change unless VM_ROOTFS_TYPE is set in the inherting recipe.

Signed-off-by: Ian Reinhart Geiser <geiseri@geekcentral.pub>
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/classes/image-vm.bbclass b/meta/classes/image-vm.bbclass
index 47f73261f1e9fc740edd9f842d792510229de857..2bbd9d36716e5bdc9dff2ded167bb3829bb2d416 100644 (file)
--- a/meta/classes/image-vm.bbclass
+++ b/meta/classes/image-vm.bbclass
@@ -23,16 +23,17 @@ do_bootdirectdisk[depends] += "dosfstools-native:do_populate_sysroot \
                                syslinux-native:do_populate_sysroot \
                                parted-native:do_populate_sysroot \
                                mtools-native:do_populate_sysroot \
-                               ${PN}:do_image_ext4 \
+                               ${PN}:do_image_${VM_ROOTFS_TYPE} \
                                "
 
-IMAGE_TYPEDEP_vmdk = "ext4"
-IMAGE_TYPEDEP_vdi = "ext4"
-IMAGE_TYPEDEP_qcow2 = "ext4"
-IMAGE_TYPEDEP_hdddirect = "ext4"
+IMAGE_TYPEDEP_vmdk = "${VM_ROOTFS_TYPE}"
+IMAGE_TYPEDEP_vdi = "${VM_ROOTFS_TYPE}"
+IMAGE_TYPEDEP_qcow2 = "${VM_ROOTFS_TYPE}"
+IMAGE_TYPEDEP_hdddirect = "${VM_ROOTFS_TYPE}"
 IMAGE_TYPES_MASKED += "vmdk vdi qcow2 hdddirect"
 
-ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.ext4"
+VM_ROOTFS_TYPE ?= "ext4"
+ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.${VM_ROOTFS_TYPE}"
 
 # Used by bootloader
 LABELS_VM ?= "boot"