Increase sparse image block size when ROOTFS_SIZE is smaller than
the minimum needed for ext4 to fit into it.
[YOCTO #7664]
Signed-off-by: Alex Franco <alejandro.fra...@linux.intel.com>
---
meta/classes/image_types.bbclass | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 35ceb7b..61ce222 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}
}
--
2.5.0
--
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