| [PATCH 0/6] Lockd: make it network namespace aware [message #45119] |
Tue, 31 January 2012 11:07  |
Stanislav Kinsbursky
Messages: 683
Registered: October 2011
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Senior Member |
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With this patch set Lockd will be able to handle lock requests from different
network namespaces separately.
Main ideas of the patch set are:
1) per-net Lockd users counter and resources.
2) nlmsvc_users counter become global one (equal to sum of all per-net
counters).
3) On lockd_up() call:
a) if nlmsvc_users if equal to 0, then lockd thread is started.
b) if current per-net counter equal to 0, then per-net resources are allocated
(lockd_up_net() function).
c) global and current net users counters are increased by one.
4) On lockd_down() call:
a) global and current net users counters are decreased by one.
b) if current per-net counter become equal to 0, then per-net resources are
allocated (lockd_down_net() function).
c) if nlmsvc_users become equal to 0, then lockd thread is stopped.
The following series consists of:
---
Stanislav Kinsbursky (6):
Lockd: create permanent lockd sockets in current network namespace
Lockd: pernet usage counter introduced
Lockd: per-net up and down routines introduced
LockD: make nlm hosts network namespace aware
LockD: make NSM network namespace aware
Lockd: shutdown NLM hosts in network namespace context
fs/lockd/clntlock.c | 3 +
fs/lockd/host.c | 42 ++++++++++++---
fs/lockd/mon.c | 13 +++--
fs/lockd/netns.h | 12 ++++
fs/lockd/svc.c | 117 +++++++++++++++++++++++++++++++++++++------
fs/nfs/client.c | 1
include/linux/lockd/bind.h | 1
include/linux/lockd/lockd.h | 5 +-
include/linux/sunrpc/svc.h | 2 +
net/sunrpc/svc.c | 3 +
10 files changed, 166 insertions(+), 33 deletions(-)
create mode 100644 fs/lockd/netns.h
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