[OE-core] [PATCH 1/1] image_types.bbclass: Round up ROOTFS_SIZE after base_size check
Andrei Gherzan
andrei at gherzan.ro
Mon Sep 10 18:18:13 UTC 2012
If we round up ROOTFS_SIZE to IMAGE_ROOTFS_ALIGNMENT before checking if
base_size is greater then IMAGE_ROOTFS_SIZE, we can end up adding an
unaligned value to IMAGE_ROOTFS_SIZE. Obviously, if
IMAGE_ROOTFS_EXTRA_SPACE was overwritten with an unaligned value. So
let's add the round up code after the base_size calculus and it's
comparison.
Signed-off-by: Andrei Gherzan <andrei at gherzan.ro>
---
meta/classes/image_types.bbclass | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index d286eea..0bd7a6f 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -82,9 +82,13 @@ runimagecmd () {
# The base_size gets calculated:
# - initial size determined by `du -ks` of the IMAGE_ROOTFS
# - then multiplied by the IMAGE_OVERHEAD_FACTOR
- # - then rounded up to IMAGE_ROOTFS_ALIGNMENT
# - finally tested against IMAGE_ROOTFS_SIZE
- ROOTFS_SIZE=`du -ks ${IMAGE_ROOTFS}|awk '{base_size = $1 * ${IMAGE_OVERHEAD_FACTOR} + ${IMAGE_ROOTFS_ALIGNMENT} - 1; base_size -= base_size % ${IMAGE_ROOTFS_ALIGNMENT}; print ((base_size > ${IMAGE_ROOTFS_SIZE} ? base_size : ${IMAGE_ROOTFS_SIZE}) + ${IMAGE_ROOTFS_EXTRA_SPACE}) }'`
+ ROOTFS_SIZE=`du -ks ${IMAGE_ROOTFS}|awk '{base_size = $1 * ${IMAGE_OVERHEAD_FACTOR}; print ((base_size > ${IMAGE_ROOTFS_SIZE} ? base_size : ${IMAGE_ROOTFS_SIZE}) + ${IMAGE_ROOTFS_EXTRA_SPACE}) }'`
+
+ # Round up ROOTFS_SIZE to IMAGE_ROOTFS_ALIGNMENT
+ ROOTFS_SIZE=`expr ${ROOTFS_SIZE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1`
+ ROOTFS_SIZE=`expr ${ROOTFS_SIZE} - ${ROOTFS_SIZE} % ${IMAGE_ROOTFS_ALIGNMENT}`
+
${cmd}
# Now create the needed compressed versions
cd ${DEPLOY_DIR_IMAGE}/
--
1.7.9.5
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