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    SubjectRe: [PATCH RFC 00/13] Lockd: grace period containerization
    On Sat, May 05, 2012 at 09:21:30PM +0400, Stanislav Kinsbursky wrote:
    > This patch set is marked with RFC, because I'm still not quite sure, that this
    > implementation will satisfy other interested people.
    > So, would be appreciated for any comments.
    >
    > This patch set makes grace period and hosts reclaiming network namespace
    > aware.
    >
    > Main ideas:
    > 1) moving of
    >
    > unsigned long next_gc;
    > unsigned long nrhosts;
    >
    > struct delayed_work grace_period_end;
    > struct lock_manager lockd_manager;
    > struct list_head grace_list;
    >
    > to per-net Lockd data.
    >
    > 2) moving of
    >
    > struct lock_manager nfsd4_manager;
    >
    > to per-net NFSd data.
    >
    > 3) shutdown + gc of NLM hosts done now network namespace aware.

    That all sounds reasonable to me.

    > 4) restart_grace() now works only for init_net.

    Eventually we might just remove that. I doubt it's used anywhere.

    --b.

    >
    > The following series implements...
    >
    > ---
    >
    > Stanislav Kinsbursky (13):
    > LockD: mark host per network namespace on garbage collect
    > LockD: make garbage collector network namespace aware.
    > LockD: manage garbage collection timeout per networks namespace
    > LockD: manage used host count per networks namespace
    > Lockd: host complaining function introduced
    > Lockd: add more debug to host shutdown functions
    > LockD: manage grace period per network namespace
    > LockD: make lockd manager allocated per network namespace
    > NFSd: make nfsd4_manager allocated per network namespace context.
    > SUNRPC: service request network namespace helper introduced
    > LockD: manage grace list per network namespace
    > LockD: pass actual network namespace to grace period management functions
    > Lockd: move grace period management from lockd() to per-net functions
    >
    >
    > fs/lockd/grace.c | 16 +++++--
    > fs/lockd/host.c | 92 +++++++++++++++++++++++++++++--------------
    > fs/lockd/netns.h | 7 +++
    > fs/lockd/svc.c | 43 ++++++++++++--------
    > fs/lockd/svc4proc.c | 13 +++---
    > fs/lockd/svclock.c | 16 ++++---
    > fs/lockd/svcproc.c | 15 ++++---
    > fs/lockd/svcsubs.c | 19 ++++++---
    > fs/nfs/callback_xdr.c | 4 +-
    > fs/nfsd/export.c | 4 +-
    > fs/nfsd/netns.h | 2 +
    > fs/nfsd/nfs4idmap.c | 4 +-
    > fs/nfsd/nfs4proc.c | 18 +++++---
    > fs/nfsd/nfs4state.c | 60 ++++++++++++++++------------
    > fs/nfsd/state.h | 3 +
    > include/linux/fs.h | 5 +-
    > include/linux/lockd/lockd.h | 6 +--
    > include/linux/sunrpc/svc.h | 2 +
    > 18 files changed, 204 insertions(+), 125 deletions(-)
    >


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