[source] x86: fix sysupgrades on disks with 4k block size
LEDE Commits
lede-commits at lists.infradead.org
Tue Jan 24 23:15:11 PST 2017
nbd pushed a commit to source.git, branch lede-17.01:
https://git.lede-project.org/e9ecb228c9d80605884058d7653e2eb56ba64051
commit e9ecb228c9d80605884058d7653e2eb56ba64051
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Wed Jan 25 08:13:11 2017 +0100
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 at nbd.name>
---
target/linux/x86/base-files/lib/upgrade/platform.sh | 11 ++---------
1 file 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
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