diff options
| -rw-r--r-- | meta/classes/image_types.bbclass | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass index 8547574a1d..2fd4c3794a 100644 --- a/meta/classes/image_types.bbclass +++ b/meta/classes/image_types.bbclass @@ -49,8 +49,16 @@ oe_mkext234fs () { extra_imagecmd=$@ fi + # If generating an empty image the size of the sparse block should be large + # enough to allocate an ext4 filesystem using 4096 bytes per inode, this is + # about 60K, so dd needs a minimum count of 60, with bs=1024 (bytes per IO) + eval local COUNT=\"0\" + eval local MIN_COUNT=\"60\" + if [ $ROOTFS_SIZE -lt $MIN_COUNT ]; then + eval COUNT=\"$MIN_COUNT\" + fi # Create a sparse image block - dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype seek=$ROOTFS_SIZE count=0 bs=1k + dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype seek=$ROOTFS_SIZE count=$COUNT bs=1024 mkfs.$fstype -F $extra_imagecmd ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype -d ${IMAGE_ROOTFS} } |