image_types.bbclass: implement jffs2 summary images (sum.jffs2)
* Building the jffs2 filesystem to include summary information speeds up * the mount process considerably at the cost of increased size. * The rate of speedup is generally higher on NAND chips and on the chips * where the erase block size is large. (From OE-Core rev: 2cb6a0d7aaa1ba712a899ee77a4c720da4e50214) Signed-off-by: Andrea Adami <andrea.adami@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -35,6 +35,8 @@ XZ_COMPRESSION_LEVEL ?= "-e -9"
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XZ_INTEGRITY_CHECK ?= "crc32"
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IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 ${EXTRA_IMAGECMD}"
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IMAGE_CMD_sum.jffs2 = "${IMAGE_CMD_jffs2} && sumtool -i ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 \
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-o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.sum.jffs2 ${EXTRA_IMAGECMD}"
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IMAGE_CMD_cramfs = "mkcramfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cramfs ${EXTRA_IMAGECMD}"
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@ -138,6 +140,7 @@ EXTRA_IMAGECMD_btrfs ?= ""
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IMAGE_DEPENDS = ""
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IMAGE_DEPENDS_jffs2 = "mtd-utils-native"
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IMAGE_DEPENDS_sum.jffs2 = "mtd-utils-native"
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IMAGE_DEPENDS_cramfs = "cramfs-native"
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IMAGE_DEPENDS_ext2 = "genext2fs-native"
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IMAGE_DEPENDS_ext2.gz = "genext2fs-native"
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@ -157,4 +160,4 @@ IMAGE_DEPENDS_ubi = "mtd-utils-native"
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IMAGE_DEPENDS_ubifs = "mtd-utils-native"
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# This variable is available to request which values are suitable for IMAGE_FSTYPES
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IMAGE_TYPES = "jffs2 cramfs ext2 ext2.gz ext2.bz2 ext3 ext3.gz ext2.lzma live squashfs squashfs-lzma ubi tar tar.gz tar.bz2 tar.xz cpio cpio.gz cpio.xz cpio.lzma"
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IMAGE_TYPES = "jffs2 sum.jffs2 cramfs ext2 ext2.gz ext2.bz2 ext3 ext3.gz ext2.lzma live squashfs squashfs-lzma ubi tar tar.gz tar.bz2 tar.xz cpio cpio.gz cpio.xz cpio.lzma"
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