From 4cc866b9911f79ffb2d29cc2fcbe78ba69b01481 Mon Sep 17 00:00:00 2001 From: Adriana Kobylak Date: Sat, 28 Mar 2020 13:43:33 -0500 Subject: image_types_phosphor.bbclass: mmc tar: Compress ext4 rootfs Compress the ext4 rootfs so that it's faster to transfer to the BMC and does not take much space. The code update process can then uncompress it on the fly and write to flash. Use zstd to compress which has a good compression rate and is also faster to decompress than xz. (From meta-phosphor rev: 5e1b6dc499736e219766cc24924dd486ff2a8ccb) Change-Id: I07aadc413e5e883a6b97d1a374e4bbf215b07786 Signed-off-by: Adriana Kobylak Signed-off-by: Andrew Geissler --- meta-phosphor/classes/image_types_phosphor.bbclass | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'meta-phosphor/classes/image_types_phosphor.bbclass') diff --git a/meta-phosphor/classes/image_types_phosphor.bbclass b/meta-phosphor/classes/image_types_phosphor.bbclass index 0d2ed898c7..8f92f7045d 100644 --- a/meta-phosphor/classes/image_types_phosphor.bbclass +++ b/meta-phosphor/classes/image_types_phosphor.bbclass @@ -512,14 +512,16 @@ do_generate_ubi_tar[depends] += " \ " do_generate_ext4_tar() { + zstd -f -k -T0 -c ${ZSTD_COMPRESSION_LEVEL} ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.${FLASH_EXT4_BASETYPE} > ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.${FLASH_EXT4_BASETYPE}.zst ln -sf ${S}/MANIFEST MANIFEST ln -sf ${S}/publickey publickey - make_image_links rwfs.${FLASH_EXT4_OVERLAY_BASETYPE} ${FLASH_EXT4_BASETYPE} + make_image_links rwfs.${FLASH_EXT4_OVERLAY_BASETYPE} ${FLASH_EXT4_BASETYPE}.zst make_signatures image-u-boot image-kernel image-rofs image-rwfs MANIFEST publickey make_tar_of_images ext4.mmc MANIFEST publickey ${signature_files} } do_generate_ext4_tar[dirs] = " ${S}/ext4" do_generate_ext4_tar[depends] += " \ + zstd-native:do_populate_sysroot \ ${PN}:do_image_${FLASH_EXT4_BASETYPE} \ virtual/kernel:do_deploy \ u-boot:do_populate_sysroot \ -- cgit v1.2.3