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Fix partition resize for MBR for all sizes (#1193) (#1204)

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It seems that Busybox shell (ash) cannot calculate the disk size
properly probably due to integer overflow. Use jq to calculate the last
usable LBA which seems to be able to handle large integers.
This commit is contained in:
Stefan Agner 2021-02-03 17:42:04 +01:00
parent 4f80800172
commit 7e427814b9
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1 changed files with 1 additions and 2 deletions
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3
buildroot-external/rootfs-overlay/usr/libexec/hassos-expand
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@ -31,8 +31,7 @@ else
# For MBR, we have to calculate the last usable sector by ourselfs
DEVICE_SIZE=$(blockdev --getsize64 "${DEVICE_ROOT}")
SECTOR_SIZE=$(echo "${PART_TABLE}" | jq -r '.partitiontable.sectorsize')
LAST_USABLE_LBA="$((DEVICE_SIZE / SECTOR_SIZE))"
LAST_USABLE_LBA=$(echo "${PART_TABLE}" | jq -r "${DEVICE_SIZE} / .partitiontable.sectorsize")
fi
echo "[INFO] Last usable logical block ${LAST_USABLE_LBA}"