tree 835368f3da61d60373b10b3196e1ee23f8a5b6cd
parent d8c9eea3bd603a578b0db833cfdaefa8ce83250d
author Lei YU <yulei.sh@bytedance.com> 1639650987 +0800
committer Lei YU <yulei.sh@bytedance.com> 1647239426 +0800

dual-image: remount alt partitions during update

When the BMC is to updating the alt image, it needs to stop the sync
manager, umount the rofs/rwfs-alt partitions before the flashing,
mount them after it's done, and restart the sync manager.

Otherwise the mount point of rofs/rwfs-alt will get error because the
content is updated.

Tested: Verify the rofs/rwfs-alt are umounted during the alt flashing,
        and are mounted again after the flashing is done, and the sync
        manager is restarted.

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I21e2bd8e0616cf529b9b4e5245d5da1ea4dfb51e