[OE-core] [PATCH 1/2] image_types.bbclass: implement jffs2 summary images (sum.jffs2)

[Tom Rini]

On Tue, Dec 6, 2011 at 4:23 PM, Andrea Adami <andrea.adami at gmail.com> wrote:
> * 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.
>
> Signed-off-by: Andrea Adami <andrea.adami at gmail.com>

Acked-by: Tom Rini <tom.rini at gmail.com>

> ---
>  meta/classes/image_types.bbclass |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
> index 29b6380..bd4b7bc 100644
> --- a/meta/classes/image_types.bbclass
> +++ b/meta/classes/image_types.bbclass
> @@ -35,6 +35,8 @@ XZ_COMPRESSION_LEVEL ?= "-e -9"
>  XZ_INTEGRITY_CHECK ?= "crc32"
>
>  IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 ${EXTRA_IMAGECMD}"
> +IMAGE_CMD_sum.jffs2 = "${IMAGE_CMD_jffs2} && sumtool -i ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 \
> +       -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.sum.jffs2 ${EXTRA_IMAGECMD}"
>
>  IMAGE_CMD_cramfs = "mkcramfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cramfs ${EXTRA_IMAGECMD}"
>
> @@ -138,6 +140,7 @@ EXTRA_IMAGECMD_btrfs ?= ""
>
>  IMAGE_DEPENDS = ""
>  IMAGE_DEPENDS_jffs2 = "mtd-utils-native"
> +IMAGE_DEPENDS_sum.jffs2 = "mtd-utils-native"
>  IMAGE_DEPENDS_cramfs = "cramfs-native"
>  IMAGE_DEPENDS_ext2 = "genext2fs-native"
>  IMAGE_DEPENDS_ext2.gz = "genext2fs-native"
> @@ -157,4 +160,4 @@ IMAGE_DEPENDS_ubi = "mtd-utils-native"
>  IMAGE_DEPENDS_ubifs = "mtd-utils-native"
>
>  # This variable is available to request which values are suitable for IMAGE_FSTYPES
> -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"
> +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"
> --
> 1.7.3.4
>
>
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core at lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core



-- 
Tom