Messages in this thread | | | Date | Sun, 19 Jun 2011 16:22:18 -0700 (PDT) | Subject | Re: [PATCH 2/2] proc: Usable inode numbers for the namespace file descriptors. | From | David Miller <> |
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From: ebiederm@xmission.com (Eric W. Biederman) Date: Fri, 17 Jun 2011 16:33:19 -0700
> > Assign a unique proc inode to each namespace, yielding an > identifier that userspace can use for identifying a namespace. > > This has been a long requested feature and only blocked because > a naive implementation would put the id in a global space and > would ultimately require having a namespace for the names of > namespaces, making migration and certain virtualization tricks > impossible. > > We still don't have per superblock inode numbers for proc, which > appears necessary for application unaware checkpoint/restart and > migrations (if the application is using namespace filedescriptors) > but that is now allowd by the design if it becomes important. > > I have preallocated the ipc and uts initial proc inode numbers so > their structures can be statically initialized. > > Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
For networking bits:
Acked-by: David S. Miller <davem@davemloft.net>
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