Dan Smith wrote: > This patch adds support for checkpointing and restoring route information. > It keeps enough information to restore basic routes at the level of detail > of /proc/net/route. It uses RTNETLINK to extract the information during > checkpoint and also to insert it back during restore. This gives us a > nice layer of isolation between us and the various "fib" implementations. > > Changes in v2: > > This version of the patch actually moves the current task into the > desired network namespace temporarily, for the purposes of examining and > restoring the route information. This is a instead of creating a cross- > namespace socket to do the job, as was done in v1. > > This is just an RFC to see if this is an acceptable method. For a final > version, adding a helper to nsproxy.c would allow us to create a new > nsproxy with the desired netns instead of creating one with > copy_namespaces() just to kill it off and use the target one. > > I still think the previous method is cleaner, but this way may violate > fewer namespace boundaries (I'm still undecided :) > > Signed-off-by: Dan Smith <danms@xxxxxxxxxx> > Cc: David Miller <davem@xxxxxxxxxxxxx> > Cc: Vlad Yasevich <vladislav.yasevich@xxxxxx> > Cc: jamal <hadi@xxxxxxxxxx> > --- Hi Dan, Eric did a patchset (as Jamal mentioned it) where you can have a process to enter a specific namespace from userspace. http://git.kernel.org/?p=linux/kernel/git/ebiederm/linux-2.6.33-nsfd-v5.git;a=commit;h=9c2f86a44d9ca93e78fd8e81a4e2a8c2a4cdb054 Is it possible to enter the namespace and dump / restore the routes with NETLINK_ROUTE from userspace ? Or is it something not possible ? Thanks -- Daniel _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
