On 07/12/2009 01:02 PM, Daniel Drake wrote:
The current switch_root can only switch to a new root that is the root of a mount point. This patch adds support for "subroots", where the new root is somewhere below a mount point. It does this by adding in a few extra steps to chroot into the subroot after the enclosing partition has been moved and entered. This will be used by OLPC, who sort-of have 2 copies of Fedora stored on a single partition under different directory trees, where the initramfs decides which one to boot into. --- switch_root.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 88 insertions(+), 3 deletions(-)
... forwarded to Karel Zak, who maintains switch_root in util-linux-ng
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