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Diffstat (limited to 'package/base-files/files')
| -rwxr-xr-x | package/base-files/files/lib/upgrade/stage2 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/package/base-files/files/lib/upgrade/stage2 b/package/base-files/files/lib/upgrade/stage2 index 23d356a447..e2259e3472 100755 --- a/package/base-files/files/lib/upgrade/stage2 +++ b/package/base-files/files/lib/upgrade/stage2 @@ -33,6 +33,9 @@ supivot() { # <new_root> <old_root> } switch_to_ramfs() { + RAMFS_COPY_LOSETUP="$(command -v losetup)" + RAMFS_COPY_LVM="$(command -v lvm)" + for binary in \ /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount \ pivot_root mount_root reboot sync kill sleep \ @@ -43,6 +46,7 @@ switch_to_ramfs() { ubiupdatevol ubiattach ubiblock ubiformat \ ubidetach ubirsvol ubirmvol ubimkvol \ snapshot snapshot_tool date \ + $RAMFS_COPY_LOSETUP $RAMFS_COPY_LVM \ $RAMFS_COPY_BIN do local file="$(command -v "$binary" 2>/dev/null)" @@ -60,6 +64,12 @@ switch_to_ramfs() { /bin/mount -o remount,ro /mnt /bin/umount -l /mnt + [ "$RAMFS_COPY_LOSETUP" ] && losetup -D + [ "$RAMFS_COPY_LVM" ] && { + mkdir -p /tmp/lvm/cache + $RAMFS_COPY_LVM vgchange -aln --ignorelockingfailure + } + grep /overlay /proc/mounts > /dev/null && { /bin/mount -o noatime,remount,ro /overlay /bin/umount -l /overlay |