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image.bbclass: make ext2/ext3 images autoresize 

New variable IMAGE_EXTRA_SPACE contains amount of kilobytes which has
to be added to size of IMAGE_ROOTFS. Resulting size is then passed to
genext2fs util.

As a result we do not have to specify size for ROOTFS_SIZE anymore.

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5269 311d38ba-8fff-0310-9ca6-ca027cbcb966
This commit is contained in:
Marcin Juszkiewicz 2008-09-25 14:09:22 +00:00
parent 2c002e3a86
commit 6ae402ea3f
2 changed files with 4 additions and 2 deletions
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1
meta/classes/image.bbclass
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@ -107,6 +107,7 @@ fakeroot do_rootfs () {
${IMAGE_PREPROCESS_COMMAND}
ROOTFS_SIZE=`du -ks ${IMAGE_ROOTFS}|awk '{print ${IMAGE_EXTRA_SPACE} + $1}'`
${@get_imagecmds(d)}
# Run ldconfig on the image to create a valid cache

5
meta/conf/bitbake.conf
View File

@ -289,14 +289,15 @@ IMAGE_ROOTFS = "${TMPDIR}/rootfs"
IMAGE_BASENAME = "${PN}"
IMAGE_NAME = "${IMAGE_BASENAME}-${MACHINE}-${DATETIME}"
IMAGE_LINK_NAME = "${IMAGE_BASENAME}-${MACHINE}"
IMAGE_EXTRA_SPACE = 10240
IMAGE_CMD = ""
IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 ${EXTRA_IMAGECMD}"
IMAGE_CMD_yaffs2 = "mkyaffs2image ${EXTRA_IMAGECMD} ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.yaffs2"
IMAGE_CMD_cramfs = "mkcramfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cramfs ${EXTRA_IMAGECMD}"
IMAGE_CMD_ext2 = "genext2fs -b ${IMAGE_ROOTFS_SIZE} -d ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext2 ${EXTRA_IMAGECMD}"
IMAGE_CMD_ext2 = "genext2fs -b $ROOTFS_SIZE -d ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext2 ${EXTRA_IMAGECMD}"
IMAGE_CMD_ext2.gz = "rm -rf ${DEPLOY_DIR_IMAGE}/tmp.gz && mkdir ${DEPLOY_DIR_IMAGE}/tmp.gz; genext2fs -b ${IMAGE_ROOTFS_SIZE} -d ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/tmp.gz/${IMAGE_NAME}.rootfs.ext2 ${EXTRA_IMAGECMD}; gzip -f -9 ${DEPLOY_DIR_IMAGE}/tmp.gz/${IMAGE_NAME}.rootfs.ext2; mv ${DEPLOY_DIR_IMAGE}/tmp.gz/${IMAGE_NAME}.rootfs.ext2.gz ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext2.gz; rmdir ${DEPLOY_DIR_IMAGE}/tmp.gz"
IMAGE_CMD_ext3 = "genext2fs -b ${IMAGE_ROOTFS_SIZE} -d ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext3 ${EXTRA_IMAGECMD}; tune2fs -j ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext3"
IMAGE_CMD_ext3 = "genext2fs -b $ROOTFS_SIZE -d ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext3 ${EXTRA_IMAGECMD}; tune2fs -j ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext3"
IMAGE_CMD_ext3.gz = "rm -rf ${DEPLOY_DIR_IMAGE}/tmp.gz && mkdir ${DEPLOY_DIR_IMAGE}/tmp.gz; genext2fs -b ${IMAGE_ROOTFS_SIZE} -d ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/tmp.gz/${IMAGE_NAME}.rootfs.ext3 ${EXTRA_IMAGECMD}; tune2fs -j ${DEPLOY_DIR_IMAGE}/tmp.gz/${IMAGE_NAME}.rootfs.ext3; gzip -f -9 ${DEPLOY_DIR_IMAGE}/tmp.gz/${IMAGE_NAME}.rootfs.ext3; mv ${DEPLOY_DIR_IMAGE}/tmp.gz/${IMAGE_NAME}.rootfs.ext3.gz ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext3.gz; rmdir ${DEPLOY_DIR_IMAGE}/tmp.gz"
IMAGE_CMD_squashfs = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs ${EXTRA_IMAGECMD} -noappend"
IMAGE_CMD_squashfs-lzma = "mksquashfs-lzma ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-lzma ${EXTRA_IMAGECMD} -noappend"