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    SubjectRe: [PATCH v2 00/15] Lockd: grace period containerization
    28.07.2012 01:54, J. Bruce Fields пишет:
    > On Wed, Jul 25, 2012 at 04:55:45PM +0400, Stanislav Kinsbursky wrote:
    >> Bruce, I feel this patch set is ready for inclusion.
    >>
    >> v2:
    >> 1) Rebase on Bruce's "for-3.6" branch.
    >>
    >> This patch set makes grace period and hosts reclaiming network namespace
    >> aware.
    >
    > On a quick skim--yes, that looks reasonable to me.
    >
    > It doesn't help with active/active cluster exports, because in that case
    > we need some additional coordination between nfsd's.
    >
    > But it looks good enough to handle the case where each filesystem is
    > exported from at most one server at a time, which is more than we
    > currently handle.
    >
    > It's a little late for 3.6. Also I get the impression Al Viro has some
    > lockd rework in progress, which we may want to wait for.
    >
    > So I'll likely look again into queueing this up for 3.7 once 3.6-rc1 is
    > out.


    Ok.
    Will Al Viro's lockd rework be a part of 3.6 kernel?


    >
    > --b.
    >
    >>
    >> 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.
    >>
    >> 4) restart_grace() now works only for init_net.
    >>
    >> The following series implements...
    >>
    >> ---
    >>
    >> Stanislav Kinsbursky (15):
    >> 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
    >> NFSd: make grace end flag per network namespace
    >> NFSd: make boot_time variable per network namespace
    >>
    >>
    >> 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 | 4 ++
    >> fs/nfsd/nfs4idmap.c | 4 +-
    >> fs/nfsd/nfs4proc.c | 18 ++++---
    >> fs/nfsd/nfs4state.c | 104 ++++++++++++++++++++++++-------------------
    >> fs/nfsd/state.h | 4 +-
    >> include/linux/fs.h | 5 +-
    >> include/linux/lockd/lockd.h | 6 +-
    >> include/linux/sunrpc/svc.h | 2 +
    >> 18 files changed, 231 insertions(+), 145 deletions(-)
    >>


    --
    Best regards,
    Stanislav Kinsbursky
    --
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