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author | Felix Fietkau <nbd@nbd.name> | 2017-01-25 08:13:11 +0100 |
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committer | Felix Fietkau <nbd@nbd.name> | 2017-01-25 08:14:59 +0100 |
commit | e9ecb228c9d80605884058d7653e2eb56ba64051 (patch) | |
tree | 76388447f0a4dd9957942f442fb14c28105c1344 /target/linux/x86/base-files/lib/upgrade/platform.sh | |
parent | e9d21739211261903441d150bc4b74732137c580 (diff) | |
download | mtk-20170518-e9ecb228c9d80605884058d7653e2eb56ba64051.zip mtk-20170518-e9ecb228c9d80605884058d7653e2eb56ba64051.tar.gz mtk-20170518-e9ecb228c9d80605884058d7653e2eb56ba64051.tar.bz2 |
x86: fix sysupgrades on disks with 4k block size
Even when the disk uses 4k blocks, the partition table still uses units
of 512 byte sectors. Always use ibs=512 for the offsets
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/x86/base-files/lib/upgrade/platform.sh')
-rw-r--r-- | target/linux/x86/base-files/lib/upgrade/platform.sh | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/target/linux/x86/base-files/lib/upgrade/platform.sh b/target/linux/x86/base-files/lib/upgrade/platform.sh index 8850917..d3e9f36 100644 --- a/target/linux/x86/base-files/lib/upgrade/platform.sh +++ b/target/linux/x86/base-files/lib/upgrade/platform.sh @@ -21,20 +21,13 @@ platform_copy_config() { } platform_do_upgrade() { - local diskdev partdev ibs diff + local diskdev partdev diff if export_bootdevice && export_partdevice diskdev 0; then sync if [ "$SAVE_PARTITIONS" = "1" ]; then get_partitions "/dev/$diskdev" bootdisk - #get block size - if [ -f "/sys/block/$diskdev/queue/physical_block_size" ]; then - ibs="$(cat "/sys/block/$diskdev/queue/physical_block_size")" - else - ibs=512 - fi - #extract the boot sector from the image get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b @@ -54,7 +47,7 @@ platform_do_upgrade() { while read part start size; do if export_partdevice partdev $part; then echo "Writing image to /dev/$partdev..." - get_image "$@" | dd of="/dev/$partdev" ibs="$ibs" obs=1M skip="$start" count="$size" conv=fsync + get_image "$@" | dd of="/dev/$partdev" ibs="512" obs=1M skip="$start" count="$size" conv=fsync else echo "Unable to find partition $part device, skipped." fi |