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scripts/image: use 256kb blocksize for squashfs images #2992

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Oct 3, 2018
Merged

scripts/image: use 256kb blocksize for squashfs images #2992

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14 changes: 9 additions & 5 deletions scripts/image
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Original file line number Diff line number Diff line change
Expand Up @@ -231,11 +231,15 @@ rm -rf $TARGET_IMG/$IMAGE_NAME.kernel
cp -PR $BUILD/linux-$(kernel_version)/arch/$TARGET_KERNEL_ARCH/boot/$KERNEL_TARGET $TARGET_IMG/$IMAGE_NAME.kernel
chmod 0644 $TARGET_IMG/$IMAGE_NAME.kernel

# use strongest available compression level for images
if [ "$SQUASHFS_COMPRESSION" = "lzo" -o "${SQUASHFS_COMPRESSION:-gzip}" = "gzip" ]; then
SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 9"
elif [ "$SQUASHFS_COMPRESSION" = "zstd" ]; then
SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 22"
# Set mksquashfs options for each compression method
if [ -z "$SQUASHFS_COMPRESSION_OPTION" ]; then
if [ "${SQUASHFS_COMPRESSION:-gzip}" = "gzip" ]; then
SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 9 -b 262144"
elif [ "$SQUASHFS_COMPRESSION" = "lzo" ]; then
SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 9 -b 524288"
elif [ "$SQUASHFS_COMPRESSION" = "zstd" ]; then
SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 22 -b 262144"
fi
fi

# create squashfs file, default to gzip if no compression configured
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